2025 GMC Sierra 3500 HD Crew Cab 159" Denali Ultimate Gas Tank Size Specs
Gas Tank Size Specs
| Gas Tank Size (gal) | 36.0 gal |
|---|
| Gas Tank Size (L) | 136.3 L |
|---|
All Available Specs
Basics
| Year |
2025 |
| Make |
GMC |
| Model |
Sierra 3500 |
| Trim |
HD Crew Cab 159" Denali Ultimate |
| Vehicle Type |
Diesel |
Seating & Access
Powertrain
| Engine |
Duramax |
| Engine Configuration |
8 |
| Engine Size (L) |
6.6 L |
| Engine Size (cu in) |
402.8 cu in |
| Fuel Type |
Diesel |
| Engine Induction |
Turbo |
| Transmission |
Allison 10-Speed Automatic |
| Drivetrain |
Four Wheel Drive |
Power & Performance
| Horsepower |
470 HP |
| Horsepower RPM |
2,800 rpm |
| Torque |
975 ft-lbs |
| Torque RPM |
1,600 rpm |
| HP/Liter |
71.2 HP/L |
| HP/Cubic Inch |
1.2 HP/cu in |
Fuel Tank & Range
| Gas Tank Size (gal) |
36.0 gal |
| Gas Tank Size (L) |
136.3 L |
Tires
| Front Tire Size |
LT275/70R18 |
| Front Tire Width |
275 |
| Front Tire Aspect Ratio |
70 |
| Front Rim Size |
18 |
| Front Tire Load Capacity |
LT |
| Rear Tire Size |
LT275/70R18 |
| Rear Tire Width |
275 |
| Rear Tire Aspect Ratio |
70 |
| Rear Rim Size |
18 |
| Rear Tire Load Capacity |
LT |
Wheels
| Front Wheel Size |
18 x 8 |
| Rear Wheel Size |
18 x 8 |
| Front Wheel Material |
Aluminum |
| Rear Wheel Material |
Aluminum |
Weight & Capacity
| Payload (lbs) |
5,121 lbs |
| Curb Weight (lbs) |
6,979 lbs |
| Weight to HP Ratio |
14.8 lbs/HP |
| GVWR (lbs) |
12,100 lbs |
Legroom
| First Row Legroom (in) |
44.5 in. |
| First Row Legroom (cm) |
113 cm |
| Second Row Legroom (in) |
43.4 in. |
| Second Row Legroom (cm) |
110 cm |
Headroom
| First Row Headroom (in) |
43.0 in. |
| First Row Headroom (cm) |
109 cm |
| Second Row Headroom (in) |
40.1 in. |
| Second Row Headroom (cm) |
102 cm |
Turning Measurements
| Turning Diameter C2C (ft) |
52.7 ft |
| Turning Diameter C2C (m) |
16.1 m |
Height & Length
| Height (in) |
80 in. |
| Height (cm) |
205 cm |
| Height (ft) |
6.7 ft |
| Height (m) |
2.1 m |
| Length (in) |
250 in. |
| Length (cm) |
636 cm |
| Length (ft) |
20.9 ft |
| Length (m) |
6.4 m |
Width & Track
| Width w/o Mirrors (in) |
81 in. |
| Width w/o Mirrors (cm) |
207 cm |
| Width w/o Mirrors (ft) |
6.8 ft |
| Width w/o Mirrors (m) |
2.1 m |
Wheelbase
| Wheelbase (in) |
158 in. |
| Wheelbase (cm) |
403 cm |
| Wheelbase (ft) |
13.2 ft |
| Wheelbase (m) |
4.0 m |