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Image credits: © Audi.

2010 Audi e-tron Spyder Concept news, pictures, specifications, and information

Audi presents the Audi e-tron Spyder, the study of an open sports car, at the fall 2010's largest auto show. The show car, wîth plug-in hybrid drive, is 4.06 meters (13.32 ft) long, 1.81 meters (5.94 ft) wide and only 1.11 meters (3.64 ft) high. The two-seater is equipped wîth a 221-kW (300-hp) twin-turbo V6 TDI at the rear axle and two electric motors producing a total of 64 kW at the front axle.

The Audi e-tron Spyder's low total weight of only around 1,450 kilograms (3,196.70 lb) combined wîth the high-torque TDI and the two electric motors results in respectable performance. The car accelerates to 100 km/h (62.14 mph) in just 4.4 seconds, and top speed is electronically governed at 250 km/h (155.34 mph).

The e-tron Spyder can combine the powerful torque of its TDI – the diesel engine generates 650 Nm (479.42 lb-ft) and the total of 352 Nm (259.62 lb-ft) of its two electric motors during acceleration in a process known as 'boosting.'

The intelligent distribution of power allows for optimal dynamics in every situation. The targeted application of power to the front wheels improves longitudinal dynamics while also improving lateral dynamics when cornering. This is because torque vectoring – the as-needed distribution of torque between the left and right wheels of the two axles – enables an exhilarating degree of driving precision and excellent agility.

Thanks also to its low weight, short wheelbase and perfect 50:50 weight distribution for dynamic handling, the Audi e-tron Spyder has all the drivability of a go-kart – good on bends and neutral right up to the very high handling limit.

Vital Stats
Engine : 3.0 L., 6-cylinder
Torque: 479 ft-lbs

7-speed Automatic
The combination of a highly efficient TDI and electric drive also provides for excellent fuel economy and amazingly low emissions. The Audi e-tron Spyder requires on average just 2.2l diesel/100 km (106.92 ÚS mpg), corresponding to CO2 emissions of 59 g/km (94.95 g/mile). A range of more than 1,000 kilometers is possible wîth the 50-liter (13.21 ÚS gallons) tank.


The open sports car can also drive strictly on electric power and thus wîth zero emissions over distances of up to 50 kilometers (31.07 miles), such as in urban areas. The top speed of 60 km/h (37.28 mph) is just fine for normal driving.

Design
The Audi e-tron Spyder features what is without a doubt the most advanced and simultaneously the most consistent evolution of the current Audi design language, while also providing initial hints at the design language of future Audi sports cars. It reinterprets the most important design elements that already characterized the previous e-tron concept vehicles. This also ensures the necessary formal differentiation to the purely electric-powered Audi e-tron shown at the 2010 Detroit Motor Show.

1.81 meters (5.94 ft) wide, just 4.06 meters (13.32 ft) long and only 1.11 meters (3.64 ft) in height: these are the classic proportions of an open, high-performance sports car. Compared to the coupé concept car in Detroit, the length and width have increased by 13 cm (5.12 in) and 3 cm (1.18 in), respectively, to underscore the sporty aspiration of the design. This further enhanced the powerful and compact overall appearance that characterizes both vehicles and links them to the sportiest production Audi, the R8.

Due in no small part to the short wheelbase of only 2.43 meters (7.97 ft) – 22 cm (8.66 in) shorter than that of the R8 – the body of the e-tron Spyder comes across as extremely stocky.

In an apparent homage to motor sports, the frameless side glass surfaces taper downward toward the rear. They form a unit wîth the windshield, which is strongly bowed and inclined like the visor of a helmet.

Another element borrowed from race cars characterizes the hood: the wide central air inlet, whose curve further accentuates the dynamics of the car's front end and provides a visual and functional link to the Audi R8 LMS customer race car. The carbon application that is mounted flush in the front and side windows and wraps completely around the glass testifies to the design and manufacturing expertise that went into the car.

The front the silhouette of the e-tron Spyder are characterized by a sharp, sweeping line that immediately identifies the two-seater as an Audi. The sharply tapered front end lends the Audi e-tron Spyder show car a distinctly wedge-like basic shape. The trapeze of the single-frame grille dominates the distinctly wedge-shaped front end and is flanked by two large air intakes. They serve as cooling intakes for the electric drive system and also for the TDI engine at the rear of the vehicle.

Above, the grille merges into the flat strips of the adaptive matrix beam headlight modules wîth their three-dimensional clear glass covers that follow the contour of the functional elements.

All light units use ultra-efficient LED technology. As wîth the R8 and the e-tron sports car concept cars, the trademark four rings are located above the single-frame. Beneath the trademark is the charging station for the batteries. The rings disappear beneath the front hatch, exposing not just the charging plug but also a display showing the charge state and a map graphic indicating the current electric range.

Another distinctive feature of this show car are the 20-inch wheels, that take the blade design of the first e-tron show car and refine it into a three-dimensional turbine design. The wheels combine the lightweight materials aluminum and carbon into a design that is both visually pleasing and very effective aerodynamically. The 66 individual components comprising each individual wheel of the e-tron Spyder are indicative of just how complex they are.

The flanks sport familiar contours in a new form. Únusually sharply defined edges frame the smooth side surfaces while simultaneously separating horizontal from vertical areas.

The shoulder line frames the lines of the strongly contoured wheel wells even more distinctly than in the Audi R8 and combines them wîth the upper edge of the vehicle body. Particularly when viewed from the back, the e-tron Spyder appears even more pronouncedly horizontal and more strongly oriented toward the road.

An impression that is also created by the characteristic sills wîth a new cut and is picked up by the spoiler and diffuser at the front and rear of the car. Carbon elements borrow from motor sports to set special accents here as well. Carbon is also used on the engine cover in the rear and in license plate and lighting frame, which also includes the air outlets below the lateral light units.

The contrast of materials is reminiscent of a race car. The essential functional elements of the chassis and the vehicle body are done in carbon, while the body as a cover sports a classic paint finish. This illustrates the formal 'shell-and-core' principle that defines the e-tron Spyder particularly clearly.

Thanks to an opening in the hood, even the longitudinal TDI mid-engine is a visible technological element surrounded by matt and glossy carbon surfaces, aluminum and leather. This combination of materials links the exterior wîth the interior of the vehicle.

Behind the seats are two cowls that gradually taper toward the rear and also flank the opening for the TDI engine and the implied cooling fins of the engine cover. They also contain the normally hidden rollover bars, which like in the production R8 Spyder shoot up within milliseconds and lock into place in the event of an emergency.

Interior
Visual and functional references to the fundamental concept of lightweight construction characterize the purist interior design. They establish a connection between proven Audi genes and new formal hallmarks. Typical for the Audi design idiom is the reduction of the architecture, controls and information output to the essentials in favor of a tidy overall impression.

The slim dash has a curve that extends laterally into the door panels. With no need to allow for a transmission, shifter and cardan tunnel, the designers again took advantage of the opportunity to create a particularly slim and lightweight center tunnel and convex, arching center console for the e-tron Spyder wîth hybrid drive. The only control element other than that of the MMI is the flush-mounted selector lever for the automatic transmission, which extends upward from the tunnel when the vehicle is started.

The cockpit of the Audi e-tron Spyder is also oriented toward the driver – a further characteristic Audi trait. Instead of the classic instrument cluster, the concept car is equipped wîth a large, display wîth integrated MMI functions and flanked by two round dials. The MMI can be controlled via a touch-sensitive control panel on the §teering wheel – an element inspired by modern smartphones. It can also be controlled via the MMI control unit (MMI touch) on the center console. The §teering wheel itself is clearly flattened off at both the top and bottom, in a clear reference to motor sport. Speed is displayed in digital form only. The dial instrument wîth information about the drive system can be chosen via the menu item 'Drive.'

Besides information about the speed, the revs of the combustion engine and the electric drive, the central display also provides all of the key information from the infotainment and navigation systems.

Characteristic for the concept of the Audi e-tron Spyder is the near total elimination of switches and components such as the ignition. The climate control unit is located to the right above the §teering wheel. The display provides temperature and ventilation information. Again drawing inspiration from a smartphone, the system is operated by means of a touch-sensitive control panel.

The equally racing-inspired lightweight bucket seats combine excellent lateral support wîth comfort. Contrasting colors and stitching delineate the various zones of the interior. The colors and the high-quality materials combine elegance and sportiness.

ASF body
Systematic lightweight construction is a crucial prerequisite for efficiency and range, while also being the primary foundation for exhilarating driving dynamics. The Audi development engineers drew on the core competence of the company for the Audi e-tron Spyder. The body structure is based on Audi Space Frame (ASF) technology and was realized as a hybrid construction, wîth the hood and numerous aerodynamic components made of carbon.

In ASF technology, the body's supporting structure is made of extruded aluminum sections and die-castings. Aluminum panels are incorporated into this skeleton to form a positive connection and perform a load-bearing role. Each individual component of the ASF space frame is optimized for its specific task by the use of widely differing shapes and cross-sections, combining maximum stability wîth minimal weight. Despite the complex drive system layout wîth two electric motors and their respective drive systems plus the TDI engine, the Audi e-tron Spyder show car only weighs around 1,450 kilograms (3,196.70 lb).

Engines and transmissions
Audi has long proven the perfect synthesis between a highly advanced sports car and TDI technology. With the TT, Audi become one of the first manufacturers anywhere in the world to successfully bring a diesel sports car to market, a decade after the Audi Cabriolet paved the way for diesel engines in this §egmènt. And the Audi R8 TDI Le Mans concept car was the first supercar to be fitted wîth a twelve-cylinder diesel engine wîth 500 hp and 1,000 Newton meters (737.56 lb-ft) of torque.

The Audi e-tron Spyder also draws on this recipe for success – albeit in a revolutionary new combination. This marks the first use of a new generation of the six-cylinder, 3.0 TDI that breathes through two turbochargers and produces 221 kW (300 hp). That is another 50 hp more than the previous stage, which debuted a few months ago in the new Audi A8.

Peak torque of 650 Newton meters (479.42 lb-ft) is unusually high, even in the sports car §egmènt. The mid-mounted, longitudinal 3.0 TDI engine drives the rear wheels via a seven-speed dual-clutch transmission. (posted on conceptcarz.com)

Another innovation is the coupling of the TDI wîth the electric drive of the front axle. Two asynchronous electric motors wîth a total output of 64 kilowatt (88 hp) and peak torque of 352 Newton meters (259.62 lb-ft) combine wîth the 3.0 TDI to give the Audi e-tron Spyder the performance of a high-performance sports car. It accelerates from 0 to 100 km/h (62.14 mph) in 4.4 seconds. Top speed is electronically governed at 250 km/h (155.34 mph).

The drive's characteristic is even more exciting than the abstract numbers. Thanks in no small part to the fact that the peak torque of the electric motors is available immediately, the e-tron Spyder accelerates wîth catapult-like thrust. Short passing maneuvers on interurban roads can be pulled off as spurts that are every bit as relaxed as they are fun, even without having to downshift.

The noise level of the low-revving TDI is typically low. The six-cylinder unit behind the occupants issues a sonorously sporty growl under load, but never becomes loud. A surprising effect also present in the Le Mans-winning Audi R10 and R15 race cars, which are also powered by TDI engines.

The benefits of this special form of hybrid drive – the coupling of a high-torque, high-efficiency TDI engine wîth the electric motors – are by no means limited to the dynamic potential of the Audi e-tron Spyder, however. The open two-seater also sets new standards in its class for fuel consumption and environmental characteristics. The 300-hp TDI consumes on average just 2.2 liters of diesel per 100 kilometers (106.92 ÚS mpg), which corresponds to CO2 emissions of only 59 g/km (94.95 g/mile).

The full-hybrid Audi e-tron Spyder has also mastered the discipline of zero-emission driving. In residential and other urban areas, the driver can activate the electric drive by itself. The 9.1-kwH battery at the front of the car has enough power for up to 50 kilometers (31.07 miles). And wîth a top speed of up to 60 km/h (37.28 mph), the e-tron Spyder is also able to move along smartly in city traffic.

Chassis
The normal distribution of the tractive power is clearly biased toward the rear axle in accordance wîth the weight distribution of the e-tron Spyder and the dynamic shift in axle load during acceleration. Similar to wîth a pure mid-engine sports car, roughly 75 percent of the torque goes to the rear and 25 percent to the front. If an axle slips, this balance can be varied thanks to the central control of the entire drive system in combination wîth the ESP. The hybrid vehicle from Audi thus enjoys all of the advantages of quattro technology.

The combination of the mid-mounted TDI engine and the two electric motors at the front axle also make it possible to intelligently control the lateral dynamics of the e-tron.

Similar to what the sport differential does in conventional quattro vehicles, torque vectoring – the targeted acceleration of individual wheels – makes the e-tron Spyder even more dynamic while simultaneously enhancing driving safety. Úndersteer and oversteer can be corrected by not only targeted activation of the brakes, but also by precise increases in power lasting just a few milliseconds. The concept car remains extremely neutral even under great lateral acceleration and hustles through corners as if on the proverbial rails.

The chassis has triangular double wishbones at the front axle and a trapezoidal-link rear suspension made of forged aluminum components – a geometry that has proven in motorsports to be the optimal prerequisite for high agility, uncompromising precision and precisely defined self-§teering behavior. A taut setup was chosen for the springs and shock absorbers, but it is still very comfortable.

The direct rack-and-pinion §teering gives finely differentiated feedback. Its electromechanical §teering boost varies wîth speed, so that the e-tron Spyder only has to provide energy while §teering, and not while driving straight ahead.

As befitting its status, the Audi concept car rolls on 20-inch tires wîth a new blade design. 245/30 tires up front and 265/30 tires in the rear provide the necessary grip.

The equipment and data specified in this document refer to the model range offered in Germany. Subject to change without notice; errors and omissions excepted.

Source - Audi
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Arrow Right 2010 Audi models
Audi A1
Audi A1 e-tron
Audi A3
Audi A4
Audi A5
Audi A5 Sportback
Audi A6
Audi A8
Audi Q5
Audi Q7
Audi R15 plus TDI
Audi R8
Audi R8 GT
Audi R8 LMS
Audi R8 Spyder
Audi S4
Audi S5
Audi TT RS
2010 Audi Concepts
Audi e-Tron Concept
Audi e-tron Detroit Showcar
Audi quattro Concept

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November 201416,650 
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80
A1
A3
A4
A5
A6
A7
A8
Front 225
Q3
Q5
Q7
Quattro
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RS 7
RS4
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UW 220

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