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GMC DURAMAX® DIESEL TRUCKS & SUVs
SEE WHAT’S UNDER THE HOOD
Efficient, responsive and powerful — get familiar with GMC’s available Duramax Turbo-Diesel engine capabilities.
DURAMAX 6.6L TURBO-DIESEL V8
GMC’s legendary available Duramax 6.6L Turbo-Diesel V8 engine with 10-speed automatic transmission offers the ultimate in pulling power. The engine delivers an impressive 470 hp and 975 lb.-ft. of torque. And with close gear spacing, the 10-speed automatic transmission allows the engine to operate in an optimal range at all times with varying load and terrain conditions.
DURAMAX 3.0L TURBO-DIESEL
The available Duramax 3.0L Turbo-Diesel engine offers 305 hp and 495 lb.-ft. of torque with a 10-speed automatic transmission. It also offers Active Thermal Management to help maintain an ideal engine temperature and an electrically controlled, variable-geometry turbocharger that helps enable responsive acceleration.
GMC VEHICLES WITH AN AVAILABLE DIESEL ENGINE
HEAVY-DUTY TRUCK
2026 SIERRA HEAVY DUTY
The Sierra Heavy Duty truck’s available Duramax 6.6L Turbo-Diesel V8 engine features a broad band of power and torque over the entire operating speed range.
KEY FEATURES
- 470 HP
- 975 lb.-ft. of torque
- 10-speed automatic transmission
- Available max towing of 36,000 lbs.
* - Available max payload of 6,584 lbs.
* - Axle ratio: 3.42
FULL-SIZE TRUCK
2026 SIERRA 1500
Power through even the toughest terrain, thanks to an available Duramax 3.0L Turbo-Diesel engine.
KEY FEATURES
- 305 HP
- 495 lb.-ft. of torque
- 10-speed automatic transmission
- Available max towing of 13,300 lbs.
* - Available max payload of 1,880 lbs.
* - The GMC Sierra 1500 offers best-in-class
* fuel economy with the available 3.0L Turbo-Diesel engine.
LARGE SUV
2026 YUKON & YUKON XL
Power through tough terrain with efficiency, thanks to an available Duramax 3.0L Turbo-Diesel engine.
KEY FEATURES
- 305 HP
* - 495 lb.-ft. of torque
- Available max towing of 8,100 lbs.
* - Yukon available max highway range: up to 624 miles per tank
* - Yukon XL available max highway range: up to 728 miles per tank
* - MPG: 21 city/26 hwy (2WD)
* - Seats up to 8
*
