These are standard specifications for the 2020 GMC Sierra Heavy Duty, not necessarily specifications for the vehicle(s) in the photo(s).
Transmission:
6 Automatic 6L80
Features
| Engine Location : | Front |
| Drive Type : | Rear Wheel (standard), 4WD |
| Production Years for Series : | 2014 - |
| Weight : | 6800 lbs | 3084.428 kg |
| MPG City : | 18 |
| MPG Highway : | 24 |
Engine & Transmission
6 Automatic 6L80
Production Figures
| Total GMC Production for 2020 : | 515,311 |
| 2020 GMC Sierra Heavy Duty | |
Dimension(s)
Truck
| Towing Capacity : | 9,800.0 lbs |
| Standard Payload : | 1,980.0 lbs |
| Fuel Capacity : | 26.0 Gal |
| Seating Capacity : | 3 |
| Doors : | 2 |
| Exterior | |
|---|---|
| Length : | 205.0 in | 5207 mm. |
| Width : | 80.0 in | 2032 mm. |
| Height : | 74.0 in | 1880 mm. |
| Wheelbase : | 119.0 in | 3023 mm. |
| Interior | |
| Front Headroom : | 42.4 in | 1077 mm. |
| Front Legroom : | 45.3 in | 1151 mm. |
| Front Hip Room : | 60.7 in | 1542 mm. |
| Front Shoulder Room : | 66.0 in | 1676 mm. |
Handling
| Suspension | |
|---|---|
| Front : Independent coil-over-shock with twin-tube shock absorbers. Monotube shocks with Z71 pkg. Rear : Solid axle with semi-elliptic, variable-rate, two-stage multileaf springs, splayed twin-tube shock absorbers. Monotube shocks with Z71 pkg. | |
| Steering | |
|---|---|
| Rack and Pinion |
| Brakes | |
|---|---|
| Front Brake Size : | 13.0 in | 330 mm. |
| Rear Brake Size : | 13.6 in | 345 mm. |
| Tires / Wheels | |
|---|---|
| Tires : | 255/70R17 all-season |
| Wheels : | 17-in. steel |
2020 GMC Sierra Heavy Duty FAQs (show)
Popular frequently asked questions include:
What are the dimension and mechanical specifications of the 2020 GMC Sierra Heavy Duty?
Q: What is the wheelbase size of the 2020 GMC Sierra Heavy Duty? A: The 2020 GMC Sierra Heavy Duty has a wheelbase size of 119.00 inches.Q: What is the length of the 2020 GMC Sierra Heavy Duty? A: The 2020 GMC Sierra Heavy Duty has a length of 205.00 inches.Q: What is the width of the 2020 GMC Sierra Heavy Duty? A: The 2020 GMC Sierra Heavy Duty has a width of 80.00 inches.Q: How much headroom does the 2020 GMC Sierra Heavy Duty have?A: The 2020 GMC Sierra Heavy Duty has 42.40 inches of headroom.Q: How much legroom does the 2020 GMC Sierra Heavy Duty have?A: The 2020 GMC Sierra Heavy Duty has legroom of 45.30 inches.Q: What is the 2020 GMC Sierra Heavy Duty's towing capacity?A: The 2020 GMC Sierra Heavy Duty has a towing capaicty of 9800.00 lbs.Q: What is the bodystyle of the 2020 GMC Sierra Heavy Duty? A: The 2020 GMC Sierra Heavy Duty was a Truck.Q: What tires did the 2020 GMC Sierra Heavy Duty have? A: The 2020 GMC Sierra Heavy Duty had 255/70R17 all-season tires.Q: What type of wheels did the 2020 GMC Sierra Heavy Duty have? A: The 2020 GMC Sierra Heavy Duty had 17-in. steel wheels.Q: How many vehicles did GMC produce in 2020? A: GMC produced 515,311 automobiles in 2020.Q: What transmission did the 2020 GMC Sierra Heavy Duty have? A: The 2020 GMC Sierra Heavy Duty had a 6 speed Automatic 6L80 gearbox.
What are the dimension and mechanical specifications of the 2020 GMC Sierra Heavy Duty?
How many 2020 GMC Sierra Heavy Duty were produced?
How powerful was the 2020 GMC Sierra Heavy Duty? Was the 2020 GMC Sierra Heavy Duty popular? Was the 2020 GMC Sierra Heavy Duty expensive? What was the fuel economy of the 2020 GMC Sierra Heavy Duty?
Q: What is the wheelbase size of the 2020 GMC Sierra Heavy Duty? A: The 2020 GMC Sierra Heavy Duty has a wheelbase size of 119.00 inches.Q: What is the length of the 2020 GMC Sierra Heavy Duty? A: The 2020 GMC Sierra Heavy Duty has a length of 205.00 inches.Q: What is the width of the 2020 GMC Sierra Heavy Duty? A: The 2020 GMC Sierra Heavy Duty has a width of 80.00 inches.Q: How much headroom does the 2020 GMC Sierra Heavy Duty have?A: The 2020 GMC Sierra Heavy Duty has 42.40 inches of headroom.Q: How much legroom does the 2020 GMC Sierra Heavy Duty have?A: The 2020 GMC Sierra Heavy Duty has legroom of 45.30 inches.Q: What is the 2020 GMC Sierra Heavy Duty's towing capacity?A: The 2020 GMC Sierra Heavy Duty has a towing capaicty of 9800.00 lbs.Q: What is the bodystyle of the 2020 GMC Sierra Heavy Duty? A: The 2020 GMC Sierra Heavy Duty was a Truck.Q: What tires did the 2020 GMC Sierra Heavy Duty have? A: The 2020 GMC Sierra Heavy Duty had 255/70R17 all-season tires.Q: What type of wheels did the 2020 GMC Sierra Heavy Duty have? A: The 2020 GMC Sierra Heavy Duty had 17-in. steel wheels.Q: How many vehicles did GMC produce in 2020? A: GMC produced 515,311 automobiles in 2020.Q: What transmission did the 2020 GMC Sierra Heavy Duty have? A: The 2020 GMC Sierra Heavy Duty had a 6 speed Automatic 6L80 gearbox. Similarly Sized Vehicles
from 2020
GMC Monthly Sales Volume
March 2023
130,608