2015 GMC SIERRA 2500HD TRUCK POWERTRAIN

Standard
Standard
Available
Available
N/A
N/A
Powertrain Vortec® 6.0L Variable Valve Timing V8 SFI engine 2WD Duramax® 6.6L Turbo-Diesel V8 engine 2WD 6.0L V8 SFI (CNG) Gaseous engine 2WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 4WD Duramax® 6.6L Turbo-Diesel V8 engine 4WD 6.0L V8 SFI (CNG) Gaseous engine 4WD
Horsepower @ RPM 360 @ 5400 397 @ 3000 301 @ 5000 360 @ 5400 397 @ 3000 301 @ 5000
Torque @ RPM 380 @ 4200 765 @ 1600 333 @ 4200 380 @ 4200 765 @ 1600 333 @ 4200
Fuel Type Gas/Ethanol V8 Turbocharged Diesel V8 Gas/Natural Gas V8 Gas/Ethanol V8 Turbocharged Diesel V8 Gas/Natural Gas V8
6-Speed Automatic Transmission Standard Available Standard Standard Available Standard
6-Speed Allison Automatic Transmission Available Standard Available Available Standard Available
3.73 rear axle ratio (diesel engine) Available Standard Available Available Standard Available
4.10 rear axle ratio (gas engine) Standard Available Available Standard Available Available
Steering Suspension Vortec® 6.0L Variable Valve Timing V8 SFI engine 2WD Duramax® 6.6L Turbo-Diesel V8 engine 2WD 6.0L V8 SFI (CNG) Gaseous engine 2WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 4WD Duramax® 6.6L Turbo-Diesel V8 engine 4WD 6.0L V8 SFI (CNG) Gaseous engine 4WD
Front Suspension Independent Independent Independent Independent Independent Independent
Rear Suspension Multi-Leaf Multi-Leaf Multi-Leaf Multi-Leaf Multi-Leaf Multi-Leaf
Handling/Trailering Suspension Package Standard Standard Standard Standard Standard Standard
Suspension Package, Off-Road Available Available Available Available Available Available
Turning Diameter (ft.) 51.5 ft 51.5 ft 51.5 ft 51.5 ft 51.5 ft 51.5 ft
Brakes Vortec® 6.0L Variable Valve Timing V8 SFI engine 2WD Duramax® 6.6L Turbo-Diesel V8 engine 2WD 6.0L V8 SFI (CNG) Gaseous engine 2WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 4WD Duramax® 6.6L Turbo-Diesel V8 engine 4WD 6.0L V8 SFI (CNG) Gaseous engine 4WD
4-Wheel Antilock Front Disc/Rear Drum 4-Wheel 4-Wheel 4-Wheel 4-Wheel 4-Wheel 4-Wheel
Work Truck Vortec® 6.0L Variable Valve Timing V8 SFI engine 2WD Duramax® 6.6L Turbo-Diesel V8 engine 2WD 6.0L V8 SFI (CNG) Gaseous engine 2WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 4WD Duramax® 6.6L Turbo-Diesel V8 engine 4WD 6.0L V8 SFI (CNG) Gaseous engine 4WD
Differential, Locking Rear Available Available Available Available Available Available
Trailering Package Available Available Available Available Available Available
SLT Vortec® 6.0L Variable Valve Timing V8 SFI engine 2WD Duramax® 6.6L Turbo-Diesel V8 engine 2WD 6.0L V8 SFI (CNG) Gaseous engine 2WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 4WD Duramax® 6.6L Turbo-Diesel V8 engine 4WD 6.0L V8 SFI (CNG) Gaseous engine 4WD
Transfer case, electronic shift with rotary dial controls N/A N/A N/A Available Available Available
Differential, Locking Rear Available Available Available Available Available Available
Trailering Package Available Available Available Available Available Available
SLE Vortec® 6.0L Variable Valve Timing V8 SFI engine 2WD Duramax® 6.6L Turbo-Diesel V8 engine 2WD 6.0L V8 SFI (CNG) Gaseous engine 2WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 4WD Duramax® 6.6L Turbo-Diesel V8 engine 4WD 6.0L V8 SFI (CNG) Gaseous engine 4WD
Transfer case, electronic shift with rotary dial controls N/A N/A N/A Available Available Available
Differential, Locking Rear Available Available Available Available Available Available
Trailering Package Available Available Available Available Available Available