2021 GMC Sierra 1500 Crew Cab Denali Gas Mileage Specs
Gas Mileage Specs
| City Gas Mileage (mpg) | 23 mpg |
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| City Gas Mileage (L/100km) | 10.0 L/100km |
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| Highway Gas Mileage (mpg) | 30 mpg |
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| Highway Gas Mileage (L/100km) | 8.0 L/100km |
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| Combined Gas Mileage (mpg) | 26.5 mpg |
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| Combined Gas Mileage (L/100km) | 9.0 L/100km |
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All Available Specs
Basics
| Year |
2021 |
| Make |
GMC |
| Model |
Sierra 1500 |
| Trim |
Crew Cab Denali |
| Vehicle Type |
Truck |
Seating & Access
| Doors |
4 |
| Seating Capacity |
5 |
Powertrain
| Engine |
DURAMAX |
| Engine Configuration |
I6 |
| Engine Size (L) |
3.0 L |
| Engine Size (cu in) |
183 cu in |
| Fuel Type |
Diesel |
| Engine Induction |
Turbo |
| Transmission |
10 Spd Auto, Electronically Controlled |
| Drivetrain |
RWD |
Power & Performance
| Horsepower |
277 HP |
| Horsepower RPM |
3,750 rpm |
| Torque |
460 ft-lbs |
| Torque RPM |
1,500 rpm |
| HP/Liter |
92 HP/L |
| HP/Cubic Inch |
1.5 HP/cu in |
Fuel Efficiency
| City MPG |
23 mpg |
| City L/100km |
10.0 L/100km |
| Highway MPG |
30 mpg |
| Highway L/100km |
8.0 L/100km |
| Combined MPG |
26.5 mpg |
| Combined L/100km |
9.0 L/100km |
Fuel Tank & Range
| Gas Tank Size (gal) |
24.0 gal |
| Gas Tank Size (L) |
90.8 L |
| City Range (miles) |
552 miles |
| City Range (km) |
888 km |
| Highway Range (miles) |
720 miles |
| Highway Range (km) |
1,159 km |
| Combined Range (miles) |
636 miles |
| Combined Range (km) |
1,024 km |
Tires
| Front Tire Size |
275/60R20 |
| Front Tire Width |
275 |
| Front Tire Aspect Ratio |
60 |
| Front Rim Size |
20 |
| Rear Tire Size |
275/60R20 |
| Rear Tire Width |
275 |
| Rear Tire Aspect Ratio |
60 |
| Rear Rim Size |
20 |
| Spare Tire Size |
255/80R17SL |
Wheels
| Front Wheel Size |
20 x 9.0 |
| Rear Wheel Size |
20 x 9.0 |
| Front Wheel Material |
Aluminum |
| Rear Wheel Material |
Aluminum |
Weight & Capacity
| Towing Capacity (lbs) |
9,500 lbs |
Legroom
| First Row Legroom (in) |
44 in. |
| First Row Legroom (cm) |
111 cm |
| Second Row Legroom (in) |
43 in. |
| Second Row Legroom (cm) |
109 cm |
Headroom
| First Row Headroom (in) |
43 in. |
| First Row Headroom (cm) |
109 cm |
| Second Row Headroom (in) |
40 in. |
| Second Row Headroom (cm) |
101 cm |
Turning Measurements
| Turning Diameter C2C (ft) |
46.3 ft |
| Turning Diameter C2C (m) |
14.1 m |
| Turning Radius C2C (ft) |
23.1 ft |
| Turning Radius C2C (m) |
7.0 m |
Ground Clearance
| Front Ground Clearance (in) |
7.9 in. |
| Front Ground Clearance (cm) |
20.1 cm |
| Rear Ground Clearance (in) |
7.9 in. |
| Rear Ground Clearance (cm) |
20.1 cm |
| Min Ground Clearance (in) |
7.9 in. |
| Min Ground Clearance (cm) |
20.1 cm |
| Max Ground Clearance (in) |
7.9 in. |
| Max Ground Clearance (cm) |
20.1 cm |
Height & Length
| Height (in) |
75 in. |
| Height (cm) |
190 cm |
| Height (ft) |
6.2 ft |
| Height (m) |
1.9 m |
| Length (in) |
231 in. |
| Length (cm) |
586 cm |
| Length (ft) |
19.2 ft |
| Length (m) |
5.9 m |
Width & Track
| Width w/o Mirrors (in) |
81.2 in. |
| Width w/o Mirrors (cm) |
206 cm |
| Width w/o Mirrors (ft) |
6.8 ft |
| Width w/o Mirrors (m) |
2.1 m |
Wheelbase
| Wheelbase (in) |
147 in. |
| Wheelbase (cm) |
373 cm |
| Wheelbase (ft) |
12.2 ft |
| Wheelbase (m) |
3.7 m |