2015 GMC SIERRA 3500HD TRUCK POWERTRAIN

Standard
Standard
Available
Available
N/A
N/A
Powertrain Duramax® 6.6L Turbo-Diesel V8 engine 2WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 2WD Duramax® 6.6L Turbo-Diesel V8 engine 4WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 4WD
Horsepower @ RPM 397 @ 3000 360 @ 5400 397 @ 3000 360 @ 5400
Torque @ RPM 765 @ 1600 380 @ 4200 765 @ 1600 380 @ 4200
Fuel Type Turbocharged Diesel V8 Gas/Ethanol V8 Turbocharged Diesel V8 Gas/Ethanol V8
6-Speed Automatic Transmission Available Standard Available Standard
6-Speed Allison Automatic Transmission Standard Available Standard Available
3.73 rear axle ratio (diesel engine) Standard Available Standard Available
4.10 rear axle ratio (gas engine) Available Standard Available Standard
Steering Suspension Duramax® 6.6L Turbo-Diesel V8 engine 2WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 2WD Duramax® 6.6L Turbo-Diesel V8 engine 4WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 4WD
Front Suspension Independent Independent Independent Independent
Rear Suspension Multi-Leaf Multi-Leaf Multi-Leaf Multi-Leaf
Standard Suspension Package Standard Standard Standard Standard
Turning Diameter (ft.) 51.8 ft 51.8 ft 51.8 ft 51.8 ft
Brakes Duramax® 6.6L Turbo-Diesel V8 engine 2WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 2WD Duramax® 6.6L Turbo-Diesel V8 engine 4WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 4WD
4-Wheel Antilock Front Disc/Rear Drum 4-Wheel 4-Wheel 4-Wheel 4-Wheel
Work Truck Duramax® 6.6L Turbo-Diesel V8 engine 2WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 2WD Duramax® 6.6L Turbo-Diesel V8 engine 4WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 4WD
Suspension Package, Off-Road Available Available Available Available
SLT Duramax® 6.6L Turbo-Diesel V8 engine 2WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 2WD Duramax® 6.6L Turbo-Diesel V8 engine 4WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 4WD
Transfer case, electronic shift with rotary dial controls N/A N/A Available Available
Suspension Package, Off-Road Available Available Available Available
SLE Duramax® 6.6L Turbo-Diesel V8 engine 2WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 2WD Duramax® 6.6L Turbo-Diesel V8 engine 4WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 4WD
Transfer case, electronic shift with rotary dial controls N/A N/A Available Available
Suspension Package, Off-Road Available Available Available Available