Image credits: © GMC. GM Corp

2017 GMC Sierra news, pictures, specifications, and information

NEW DURAMAX 6.6L DIESEL INTRODUCED ON 2017 SIERRA HD

• Next-generation redesign is stronger, offering more power and greater refinement

DALLAS — GMC today announced the redesigned Duramax 6.6L V-8 turbo-diesel offered on the 2017 Sierra HD. This next-generation redesign offers more horsepower and torque than ever — an SAE-certified 445 horsepower (332 kW) and net 910 lb.-ft. (1,234 Nm) — to enable easier, more confident hauling and trailering.

Along wîth a 19 percent increase in max torque over the current Duramax 6.6L, the redesigned turbo-diesel's performance is quieter and smoother, for greater refinement. In fact, engine noise at idle is reduced 38 percent.

'With nearly 2 million sold over the past 15 years, customers have forged a bond wîth the Duramax diesel based on trust and capability,' said Dan Nicholson, vice president, Global Propulsion Systems. 'The new Duramax takes those traits to higher levels.'

The new Duramax 6.6L shares essentially only the bore and stroke dimensions of the current engine and incorporates a new, GM-developed control system. The Duramax's signature low-rpm torque production hasn't changed and still offers 90 percent of peak torque at a low 1,550 rpm and sustains it through 2,850 rpm.

'Nearly everything about the Duramax is new, designed to produce more torque at lower rpm and more confidence when trailering or hauling,' said Gary Arvan, chief engineer. 'You'll also notice the refinement improvements the moment you start the engine, and appreciate them as you cruise quietly down the highway — wîth or without a trailer.'

Additional highlights include:

◾New, stronger cylinder block and cylinder heads
◾New, stronger rotating and reciprocating assembly
◾Increased oil- and coolant-flow capacity
◾New EGR system wîth single cooler and integrated bypass
◾New electrically actuated/electronically controlled turbocharging system
◾All-new advanced solenoid fuel system
◾All-new electronic controls
◾New full-length damped steel oil pan that contributes to quietness
◾New rocker cover/fuel system acoustical treatments
◾B20 bio-diesel compatibility
◾SAE-certified 445 net horsepower (332 kW) at 2,800 rpm
◾SAE-certified 910 net lb.-ft. of torque (1,234 Nm) at 1,600 rpm

A new, patent-pending vehicle air intake system — distinguished on the Sierra HD by a bold hood scoop — drives cool, dry air into the engine for sustained performance and cooler engine temperatures during difficult conditions such as trailering on steep grades. Cooler air helps the engine run better under load, especially in conditions where engine and transmission temperatures can rise quickly. That allows the Duramax to maintain more power and vehicle speed when trailering in the toughest conditions.

The intake design is another example of the advanced integration included in the 2017 Sierra HD that makes it over-the-road capable.

A strong foundationAs wîth previous versions, the new Duramax block features a strong cast-iron foundation known for its durability, wîth induction-hardened cylinder walls and five nodular iron main bearings. It retains the same 4.05-inch (103mm) and 3.89-inch (99mm) bore and stroke dimensions as the current engine, retaining the Duramax's familiar 6.6L (403 cu.-in./6,599 cc) displacement.

A deep-skirt design and four-bolt, cross-bolted main caps help ensure the block's strength and enable more accurate location of the rotating assembly. A die-cast aluminum lower crankcase also strengthens the engine block and serves as the lower engine cover, while reducing its overall weight.

The new engine block incorporates larger-diameter crankshaft connecting rod journals than the current engine, enabling the placement of a stronger crankshaft and increased bearing area to handle higher cylinder loads.

An enhanced oiling circuit, wîth higher flow capacity and a dedicated feed for the turbocharger, provides increased pressure at the turbo and faster oil delivery. Larger piston-cooling oil jets at the bottom of the cylinder bores spray up to twice the amount of engine oil into oil galleries under the crown of the pistons, contributing to lower engine temperature and greater durability.

A new, two-piece oil pan contributes to the new Duramax's quieter operation. It consists of a laminated steel oil pan wîth an upper aluminum section. The aluminum section provides strength-enhancing rigidity for the engine, but a pan made entirely of aluminum would radiate more noise, so the laminated steel lower section is added to dampen noise and vibration.

There's also an integrated oil cooler wîth 50 percent greater capacity than the current engine's, ensuring more consistent temperatures at higher engine loads.

Segment firsts
◾Re-melt piston bowl rim
◾Venturi Jet Drain Oil Separator
◾Closed loop glow plug temperature control

Stronger pistons wîth remelt

A tough, forged micro-alloy steel crankshaft anchors the new Duramax's stronger rotating assembly. Cut-then-rolled journal fillets contribute to its durability by strengthening the junction where the journals — the round sections on which the bearings slide — meet the webs that separate the main and rod journals.

The connecting rods are stronger, too, and incorporate a new 45-degree split-angle design to allow the larger-diameter rod bearings to pass through the cylinder bores during engine assembly. They're forged and sintered wîth a durable powdered metal alloy, wîth a fractured-cap design enabling more precise cap-to-rod fitment.

A new, stronger cast aluminum piston design tops off the rotating assembly. It features a taller crown area and a remelted combustion bowl rim for greater strength. Remelting is an additional manufacturing process for aluminum pistons in which the bowl rim area is reheated after casting and pre-machining, creating a much finer and more consistent metal grain structure that greatly enhances thermal fatigue properties.

Additionally, the Duramax's pistons don't use pin bushings, reducing reciprocating weight to help the engine rev quicker and respond faster to throttle changes

Lightweight cylinder heads, solenoid injectors

The redesigned engine retains the Duramax's signature first-in-class aluminum cylinder head design, wîth six head bolts per cylinder and four valves per cylinder. The aluminum construction helps reduce the engine's overall weight, while the six-bolt design provides exceptional head-clamping strength — a must in a high-compression, turbocharged application.

A new aluminum head casting uses a new double-layer water core design that separates and arranges water cores in layers to create a stiffer head structure wîth more precise coolant flow control. The heads' airflow passages are also heavily revised to enhance airflow, contributing to the engine's increased horsepower and torque.

The Duramax employs a common-rail direct injection fuel system wîth new high-capability solenoid-type injectors. High fuel pressure of 29,000 psi (2,000 bar) promotes excellent fuel atomization for a cleaner burn that promotes reduced particulate emissions. The new injectors also support up to seven fuel delivery events per combustion event, contributing to lower noise, greater efficiency, and lower emissions. Technology advancements enable less-complex solenoid injectors to deliver comparable performance to piezo-type injectors.

Electronically controlled, variable-geometry turbocharging system

A new electronically controlled, variable-vane turbocharger advances the Duramax's legacy of variable-geometry boosting. Compared to the current engine, the system produces higher maximum boost pressure — 28 psi (195 kPa) — to help the engine make more power, and revisions to enhance the capability of the exhaust-brake system.

Along wîth a new camshaft profile and improved cylinder head design, the Duramax's new variable-vane turbocharger enables the engine to deliver more power wîth lower exhaust emissions. It uses a more advanced variable vane mechanism, allowing a 104-degree F (40 C) increase in exhaust temperature capability. The self-contained mechanism decouples movement from the turbine housing, allowing operation at higher temperature. That enables the engine to achieve higher power at lower cylinder pressure. Additionally, it has lower internal leakage, allowing more exhaust energy to be captured during exhaust braking.

The integrated exhaust brake system makes trailering less stressful by creating additional backpressure in the exhaust, resulting in negative torque during deceleration and downhill driving, enhancing driver control and prolonging brake pad life.

Venturi Jet Drain Oil Separator


Vital Stats
Engine : 4.3 L., 6-cylinder
Power: 285 hp
Torque: 305 ft-lbs

Engine : 5.3 L., 8-cylinder
Power: 355 hp
Torque: 383 ft-lbs

Engine : 6.2 L., 8-cylinder
Power: 420 hp
Torque: 460 ft-lbs

6-speed Automatic, 8-speed Automatic
A new V employed wîth the Duramax 6.6L is the first of its type in the §egmènt and is designed to ensure oil control in sustained full-load operation. The totally sealed system collects the fine mist of oil entrained in the blow-by gas and uses a small portion of the boosted air generated by the turbocharger to pump the collected oil back to the engine oil sump for re-use by the engine. Less-sophisticated systems are not able to return this oil during full-load operation, which can result in oil carryover into the cylinders during combustion.

Cold Start System


The new Duramax also provides outstanding cold-weather performance, wîth microprocessor-controlled glow plugs capable of gas-engine-like starting performance in fewer than 3 seconds in temperatures as low as -20 degrees F (-29 C), without a block heater. The system is enhanced wîth ceramic glow plugs and automatic temperature compensation – a first-in-class feature providing improved robustness and capability. The automatic temperature compensation assesses and adjusts the current to each glow plug for every use, providing optimal temperature for cold start performance and durability.

Electronic throttle valve and cooled EGR

Únlike a gasoline engine, a diesel engine doesn't necessarily require a throttle control system. The Duramax 6.6L employs an electronic throttle valve to regulate intake manifold pressure in order to increase exhaust gas recirculation (EGR) rates. It also contributes to smoother engine shutdown.

Additionally, a cooled exhaust gas recirculation (EGR) system enhances performance and helps reduce emissions by diverting some of the engine-out exhaust gas and mixing it back into the fresh intake air stream, which is fed through the cylinder head for combustion. This lowers combustion temperatures, improving emissions performance by reducing NOx formation.

The exhaust is cooled in a unique heat exchanger before it's fed into the intake stream through a patented EGR mixing device, further improving emissions and performance capability. An integrated bypass allows non-cooled exhaust gas to be fed back into the system to help the engine more quickly achieve optimal operating temperature when cold.

B20 Biodiesel Capability

The new Duramax 6.6L is capable of running on B20 biodiesel, a fuel composed of 20 percent biodiesel and 80 percent conventional diesel. B20 helps lower carbon dioxide emissions and lessens dependence on petroleum. It is a domestically produced, renewable fuel made primarily of plant matter — mostly soybean oil.

Manufacturing

The new Duramax 6.6L turbo-diesel engine is produced wîth locally and globally sourced parts at the DMAX Ltd. (GM's joint venture wîth Isuzu) manufacturing facility in Moraine, Ohio.

Allison 1000 Automatic Transmission


The proven Allison 1000 six-speed automatic transmission is matched wîth the new Duramax 6.6L. A number of refinements have been made to accommodate the engine's higher torque capacity, including a new torque converter.

The Allison 1000's technologically advanced control features, such as driver shift control wîth manual shift feature and a patented elevated idle mode cab warm-up feature, haven't changed. Also, the Tow/Haul mode reduces shift cycling for better control and improved cooling when towing or hauling heavy loads.

There's also a smart diesel exhaust brake feature that enhances control when descending steep grades.

GMC has manufactured trucks since 1902, wîth innovation and engineering excellence built into all GMC vehicles. The brand is evolving to offer more fuel-efficient trucks and crossovers, including the Terrain small SÚV and Acadia crossover. GMC's highest-volume vehicle, the Sierra pickup, is the most powerful light-duty pickup on the market, and the first full-size pickup to receive the highest-possible five-star Overall Vehicle Score for safety since the National Highway Traffic Safety Administration changed its New Car Assessment Program for the 2011 model year. Details on all GMC models are available at http://www.gmc.com/, on Twitter at @thisisgmc or at http://www.facebook.com/gmc.

Source - GMC
FAST FACT
Sierra 1500's 12,500-lb. max trailering rating tops the §egmènt for crew cab models.

NEW FOR 2017
◾Segment-best 12,500-lb. max trailering rating for crew cabs.
◾Standard Teen Driver feature. It encourages safe driving habits wîth teenagers, enabling parents to view the vehicle's maximum speed, distance driven and the number of times active safety features were engaged during a drive
◾Active aero shutters are standard on all models
◾Available tri-mode power steps
◾Low Speed Forward Automatic Braking added to the available Enhanced Driver Alert Package
◾Capless fuel fill
◾Exterior colors: Dark Slate Metallic and Pepperdust Metallic

VEHICLE HIGHLIGHTS
◾Sierra 1500 range includes regular cab, double cab and crew cab body styles, all offered wîth 4WD
◾Trim levels include the base model, SLE, SLT and Denali – wîth regular cab offered only in standard and SLE trims; and Denali offered exclusively as a crew cab. See the separate page for complete Sierra Denali details
◾Regular cab models are offered wîth a 6'6' box or an 8' box. Double cab models are available exclusively wîth the 6'6' box, while crew cabs are available wîth a 5'8' box or the 6'6' box.
◾Elevation Edition package is available on base and SLE trims, wîth content that includes 20-inch black-painted aluminum wheels, body-color grille surround and bumpers and more
◾All Terrain package is available on 4WD SLT models and includes 18-inch bright-machined aluminum wheels, unique exterior cues, Z71 Off Road suspension wîth Rancho monotube shocks, underbody shield and more
◾Available NHT max trailering package features a 9.76-inch rear axle, heavy-duty rear springs, unique shock tuning, enhanced cooling and an integrated trailer brake controller to optimize capability and comfort when trailering
◾Available automatic locking rear differential reacts almost immediately in low-traction situations to improve safety and confidence on wet, snowy or muddy surfaces
◾Duralife™ brake rotors protect against corrosion, offering up to double the service life vs. conventional rotors
◾Available EZ Lift-and-Lower tailgate makes it easier to access the box. An internal torsion bar reduces the effort to raise and lower it, while a rotary damper allows for a controlled and more gradual lowering motion when opening it
◾Available 8-inch-diagonal color touch screen wîth enhanced GMC IntelliLink, including Apple CarPlay and Android Auto phone projection capability; available navigation
◾4G Wi-Fi hotspot (includes three-month/3GB data trial)

SAFETY FEATÚRES
◾Six standard air bags, including frontal air bags, head-curtain side air bags for outboard passengers in all rows and seat-mounted side air bags for the driver and front outboard passenger
◾Standard StabiliTrak electronic stability control wîth rollover mitigation technology, trailer sway control and hill-start assist
◾Rear-vision camera is available on base and standard on SLT and SLE
◾Enhanced Driver Alert Package is available on SLE and SLT. Content includes Forward Collision Alert, Safety Alert Driver Seat, IntelliBeam headlamps wîth automatic high-beam control, Lane Keep Assist, Front and Rear Park Assist and Low Speed Forward Automatic Braking

Source - GMC

Chevrolet Trucks: Building America for 95 years

It started wîth a simple idea – a few car chassis fitted wîth hand-built beds to help carry materials around a booming car factory. Before long, millions of Chevrolet pickups were woven into the fabric of a fast-growing country. Chevy trucks tackled the toughest jobs on farms and in the fields, hauled tools and lumber to the burgeoning suburbs and carried families and friends into the wilds for well-earned vacations.

'The legacy that Chevrolet trucks have built over the last 95 years is important to protect,' said Don Johnson, Chevrolet vice president of Sales and Service. 'The best way for us to do that is by delivering the capability and technology our customers have grown to expect, in both our current trucks and in our next generation of full-size pickups.'

Here are some Chevy truck highlights:

1918 Chevrolet Four-Ninety Half-Ton Light Delivery 'Cowl Chassis'

Although there are indications that some Four-Ninety based trucks were built for internal use in 1916, and that a few even earlier chassis may have been converted to ambulances and sent to France in 1914, the first customer chassis appears to have been built in Flint, Mich., on Nov. 22, 1916, and shipped from the factory on Dec. 2 that year.

Two four-cylinder models marked Chevrolet's formal entry into the truck market for the 1918 model year. Both were cowl chassis units that came from the factory wîth only frontal sheet metal. It was customary at the time for buyers to obtain a wooden cab and cargo box or panel van body to suit their purposes.

Priced at $595, the half-ton Light Delivery cowl chassis was essentially a bodyless Chevrolet Four Ninety car equipped wîth stronger rear springs. Mounted wîth a pickup box or panel body, it provided an agile and economical light-delivery truck for small businesses popping up across America in the boom following the First World War.

The second model, a 1-ton capacity 1918 Chevrolet 'Model T' (presumably for 'Truck') cost $1,125 without a body. It was based on the FA-series car, and was built on a truck frame that was longer and stronger than the half-ton model. A 37-horsepower engine gave the larger truck the power to haul heavier loads at a governor-limited top speed of 25 mph.

1930 Chevrolet Pickup


The simple cowl chassis models were replaced in the 1930s by factory-built pickups, which initially came wîth roadster and closed bodies. Chevrolet bought the Martin-Parry body company in 1930 and quickly began selling steel-body half-ton pickups complete wîth a factory-installed bed.

At the heart of these new pickups was a new Chevy inline six-cylinder engine, which soon earned names like 'Cast Iron Wonder' and 'Stovebolt' for its rugged design. First produced in late 1928, the new engine had a modern overhead-valve design. Inline six-cylinder engines became a mainstay in Chevrolet cars and trucks for decades to come.

By the mid-1930s, half-ton pickups wîth factory-installed steel boxes had become the lifeblood of the truck market, wîth brands like Mack, Studebaker, Reo, and International competing wîth Chevy, GMC, Ford and Dodge.

1937 Chevrolet Half-Ton Pickup


In the mid-1930s, as the Ú.S. economy began to recover from the Great Depression, Chevrolet pushed for leadership in a reviving truck market wîth what were designed to be some of the strongest, most innovative models produced to that point.

For 1937, Chevrolet introduced new trucks wîth streamlined styling that many still consider the best designs of the era. The '37 also featured a sturdier body and a larger and more powerful 78-horsepower engine, among other improvements.

A 1937 Chevrolet half-ton pickup was sent on a 10,245-mile drive around the Únited States that was monitored by the American Automobile Association (AAA). Carrying a 1,060 lb. load, the truck averaged 20.74 miles per gallon.

1947 Chevrolet Advance-Design Half-Ton Pickup


In early 1947, Chevrolet introduced its Advance-Design trucks, the first completely redesigned GM vehicles to appear following World War II. Owners of earlier pickup models had asked for a roomier, more comfortable cab wîth improved visibility and a wider pickup box. They got all of that and more.

Designers sought to make the truck's styling clean, brisk and attractive. Headlamps were now set wide apart in the front fenders and five horizontal bars made up the grille. The design was produced wîth few major changes from 1947 through 1953, and was then continued wîth a new frontal appearance into early 1955.

During the Advance-Design trucks' run, there was a measurable shift among Chevrolet customers to trucks. Prior to World War II, the production ratio of the brand's cars to trucks had been about 4:1. By 1950 – the year Chevrolet became the first brand to sell more than 2 million vehicles in a single year – the ratio of cars to trucks was closer to 2.5:1.

1955 Chevrolet Task Force Pickup


By the mid-1950s, the post-World-War II boom was under way, and customers were lòòking for style and performance even in pickup trucks. In mid-1955, Chevrolet introduced the all-new Task Force trucks, which shared design language wîth the 1955 Bel Air, and also offered the new small-block Chevy V8 as an option.

Also new to the 1955 truck line was the Cameo Carrier, a high-styled gentleman's pickup more at home in a trendy suburban California bungalow driveway than on a farm or in a factory yard. The Cameo Carrier was only produced through 1958, but it set the stage for new generations of well-equipped personal use pickups, including the El Camino, Avalanche, and Silverado crew cab.

A major engineering advance wîth tremendous future implications was announced for 1957, when a factory-installed 4-wheel-drive system became available for the first time on select models.

Chevrolet continued to offer the Task Force trucks wîth annual updates through 1959. During 1958, a new slab-sided Fleetside box option provided an alternative to Chevrolet's traditional step-side pickup box.

1959 Chevrolet El Camino



The original El Camino introduced for 1959 combined the dramatically finned styling of that period's Chevrolet cars wîth half-ton pickup utility. But the excitement was short-lived. After 1960, the El Camino went on a three-year hiatus.

Chevrolet revived the El Camino 'personal pickup' concept for 1964, wîth a new version based on that year's new mid-size Chevrolet Chevelle. During the 'muscle car' era that followed, El Camino buyers could order their truck wîth a Chevrolet high-performance big-block V-8 powertrain, creating a sport pickup that could 'haul' in more ways than one. By 1968, a complete Super Sport package was available.

The Chevelle El Camino enjoyed a devoted following and was produced through two more styling generations (1968-1972 and 1973-1977). For 1978, the El Camino was successfully transitioned to that year's new, smaller Malibu platform. The final El Caminos were 1987 models.

1961 Corvair Pickup


Although there had been a number of small pickups prior to the 1960s, the compact car boom that kicked off the decade brought wîth it a new crop of forward control trucks, including the Corvair 95. With its unitized body structure and rear-mounted engine, the 95 offered a lot of cargo space in a compact maneuverable package. The Rampside model offered a side gate on the right side of the vehicle, which allowed easy access to the low load floor at the front of the bed. Although clever in design, the Corvair 95 never caught on in the showroom, and in the final model year of 1964, only 851 were sold.

1967 Chevrolet C-10 wîth Custom Sport Truck Package


It took only one glance at any of the 35 Chevrolet C/K models for 1967 to see that Chevy trucks had a new look that year. The exterior profile, which would characterize Chevrolet C/K models through 1972, featured a lower-silhouette cab and large, rounded wheel openings. The new chassis had coil springs front and rear.

A new-for-1967 Custom Sport Truck package was a trend-setting option that included deluxe, car-like upgrades inside and out. The package could even be ordered in combination wîth bucket seats.

By 1967, the Federal Interstate Highway System was giving Americans unprecedented access to the nation's natural wonders and recreational areas. Customers who enjoyed such pursuits appreciated the small-block and big-block V-8 power choices that gave Chevrolet trucks the torque needed to pull trailers up grades, and horsepower to cruise comfortably wîth a camper at Interstate speeds.

1972 Chevy LÚV


In spring of 1972, Chevrolet started selling the LÚV pickup on costal markets. Built by GM partner Isuzu, the LÚV featured a 75-horsepower four-cylinder engine and four-speed manual transmission. (posted on conceptcarz.com) Although the specs were modest, the LÚV was a fully functioning pickup, wîth a ladder-style frame, a six-foot bed, and a payload of 1,100 pounds, plus room for two passengers. Within a few years, soaring gas prices would make compact pickups like the Chevy LÚV a major factor in the Ú.S. truck market, and it wasn't long before Chevrolet started work on a home-grown small truck.

1982 Chevrolet S-10


The Chevrolet S-10 was the first domestically produced compact pickup, larger than the imported Chevy LÚV but smaller than the full size C/K model. An 82-horsepower four-cylinder engine was standard, wîth an available 110-horsepower V6 – the only one in the class. Properly equipped, the S-10 could haul 1,500 pounds, and tow 4,000. The roomy cab and high levels of standard and optional equipment gave the S-10 a broader appeal than that of earlier, bare-bones small trucks, and it quickly became a mainstay of the Chevrolet lineup, appealing to everyone from young customers lòòking for a first set of wheels to businesses seeking a rugged work truck.

1988 Chevrolet Pickups


Pickup trucks had been slowly migrating from the worksite to the suburbs, and the 1988 Chevrolet C/K pickup accelerated that trend, bringing the aerodynamics, electronics and materials that had revolutionized the automobile over the past decade to the full-size pickup. Extensively tested to make sure it met the high bar for dependability set by previous Chevy pickups, the new truck also featured advanced aerodynamics for improved fuel economy, including a narrower cab for lower drag, flush side glass, and a sleek front end wîth integrated lamps.

A full range of powertrains was offered, from a 4.3-liter V6 through a 6.2-liter diesel V8. To enhance durability, the trucks featured extensive use of galvanized steel for corrosion resistance, and a full welded frame wîth a boxed front section for strength and rigidity. Civilized driving characteristics and styling moved full-size pickups closer to being the family vehicles they are today.

1999 Chevrolet Silverado


Chevrolet's all-new 1999 full-size pickups were the first to carry the Silverado nameplate. The new trucks resulted from the most intensive development program yet undertaken by General Motors and they arrived just in time for a boom in truck sales. The styling of the new Silverado pickups built on the purposeful design that characterized the preceding C/K pickups. Interiors had all the comfort and convenience features personal-use customers were starting to expect. Power came from a new generation of V8 engines.

2004 Silverado 1500 Crew Cab


The 2002 Chevrolet Avalanche pioneered the idea of a light-duty pickup that could comfortably accommodate the family, and the 2004 Silverado took this idea and ran wîth it. In less than eight years, light-duty crew cabs would dominate the full-size pickup market, accounting for more than two-thirds of all sales, and transforming pickups into a true multi-purpose vehicle for both work and family. Available creature comforts included dual-zone climate control, Bose sound systems, a rear-seat DVD player, OnStar and XM radio. Even wîth the creature comforts, Silverado maintained the Chevy truck capability.

2007 Silverado


The all-new 2007 Silverado provided significant improvements in performance and fuel economy, while strengthening the capability and dependability Chevy pickups were known for. It featured a new fully boxed frame, coil-over-shock front suspension, and rack-and-pinion §teering for improved ride and handling, while new Gen IV small-block 5.3L and 6.0L V-8 engines could deactivate four of the eight cylinders when not needed to save fuel. (concept carz) Safety advances included StabiliTrak electronic stability control and head-curtain side airbags for enhanced occupant protection.

2013 Chevrolet Colorado


Just as full-size pickups have become the lifeblood of the American economy, midsize pickups are important vehicles for businesses and families in many countries outside the Únited States. Chevrolet's new global mid-size Colorado pickup is designed to help expand the Chevrolet brand into many of the world's fastest-growing markets.

Developed under the direction of a truck-savvy team from GM do Brasil, the inaugural version of the global Colorado was launched in Thailand, the world's largest market for midsize pickups, in November, 2011. Over the next several years, Colorado will be introduced into many global markets, including the Únited States, where it will offer a more fuel efficient alternative for customers who don't need all of the capability of a full-size pickup.

Source - GM

NEW SIERRA MARKS 111 YEARS OF GMC PICKUP HERITAGE PHOTO HISTORY SHOWS EVOLUTION OF TRUCK DESIGN THROUGH 12 DECADES

• New Sierra Marks 111 Years of GMC Pickup Heritage

• Photo history shows evolution of truck design through 12 decades

DETROIT - The all-new 2014 GMC Sierra fullsize pickup will be the latest in a bloodline that stretches back over a century. The first truck to wear a GMC badge debuted in 1912, while a predecessor from the Max Grabowsky's Rapid Motor Vehicle Co. was the first commercial truck operated in the City of Detroit 10 years earlier.

Here's a list of highlights by decade, accompanied by a corresponding photo of each.
• 1900s: The first Rapid truck - little more than a seat, an engine cover and a frame - was delivered in 1902.
• 1910s: The GMC name takes its place on a truck grille for the first time in 1912 and the mix of trucks offered had either upright front ends or curved 'French' fronts.
• 1920s: 1927 was a milestone for design features wîth more stylized fenders, headlights attached to the radiator, and the first chrome-plated radiator surround.
• 1930s: Streamlining in the '30s added sloped grilles, more paint color options and passenger cabs inspired by car design trends, which helped expand the truck market.
• 1940s: Following the war, GMCs of the late '40s featured fully integrated headlights for the first time, as well as wider, lower, and bolder grilles.
• 1950s: Cars again influenced truck design in the '50s, resulting in more safety, comfort and performance. 1955 highlights were hooded headlights and panoramic glass.
• 1960s: The first GMC pickup wîth a full-width hood debuted in 1960. Other design cues included 'jet pod' grilles at the front and a pinched-waist body crease on each side. - 1970s: Padded materials replaced many metal interior surfaces in the '70s. Heavy duty models offered a dual rear axle for the first time and the Crew Cab debuted. - 1980s: In 1987, the Sierra name became standard for all full-size pickups wîth the introduction of a new, more aerodynamic generation of GMC trucks. - 1990s: The '90s brought the first rear-hinged three-door Extended Cab model. In 1999, new generation of truck introduced the first use of frame hydroforming. - 2000s: The new millennium brought the 'D' decade: The first Duramax diesel engine for Sierra HD added capability and the first Denali pickup set a luxury standard for trucks. - 2012: The new 2014 Sierra debuts on December 13.

GMC has manufactured trucks since 1902, and is one of the 's healthiest brands. Innovation and engineering excellence is built into all GMC vehicles and the brand is evolving to offer more fuel-efficient trucks and crossovers, including the Terrain small SÚV and Acadia crossover. GMC is the only manufacturer to offer three full-size hybrid trucks wîth the Yukon, Yukon Denali SÚVs and the Sierra pickup. The Sierra Heavy Duty pickups are the most capable and powerful trucks in the market.

Source - GMC
 
Recent Vehicle AdditionsModel Year Changes

  • Active aero shutters are standard on all models
  • Available tri-mode power steps
  • Capless fuel fill
  • Exterior colors: Dark Slate Metallic and Pepperdust Metallic
  • Low Speed Forward Automatic Braking added to the available Enhanced Driver Alert Package
  • Segment-best 12,500-lb. max trailering rating for crew cabs.
  • Standard Teen Driver feature. It encourages safe driving habits with teenagers, enabling parents to view the vehicle's maximum speed, distance driven and the number of times active safety features were engaged during a drive
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    Acadia
    Colorado
    Envoy
    EV1
    Hy wire
    Safari
    Savana
    Silverado
    Sonoma
    Tahoe
    Terrain
    Typhoon

    Image Left 2016 Sierra All Terrain HDImage Left 2016 Sierra Elevation EditionImage Left 2016 Sierra Denali UltimateImage Left 2016 Sierra All Terrain X
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