2015 Silverado 3500HD Models & Specs

Standard
Standard
Available
Available
N/A
N/A
Powertrain Vortec® 6.0L Variable Valve Timing V8 SFI engine 2WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 4WD Duramax® 6.6L Turbo-Diesel V8 engine 4WD
Fuel Type Gas/Ethanol V8 Gas/Ethanol V8 Turbocharged Diesel V8
Displacement (liters/cu. in.) 6.0L/366 6.0L/366 6.6L/403
6-speed automatic heavy-duty transmission Standard Standard N/A
Allison 1000 6-speed automatic transmission N/A N/A Standard
Horsepower @ RPM 360 @ 5400 360 @ 5400 397 @ 3000
Torque @ RPM 380 @ 4200 380 @ 4200 765 @ 1600
Fuel Injection Electronic Fuel Injection Electronic Fuel Injection Direct Injection
Axle Ratio 4.10 4.10 3.73
Alternator (Amps) 150 150 150
Fuel Economy Vortec® 6.0L Variable Valve Timing V8 SFI engine 2WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 4WD Duramax® 6.6L Turbo-Diesel V8 engine 4WD
Fuel Tank Capacity (gal.) 36.0 gal 36.0 gal 36.0 gal
Steering/Suspension Vortec® 6.0L Variable Valve Timing V8 SFI engine 2WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 4WD Duramax® 6.6L Turbo-Diesel V8 engine 4WD
Front Suspension Independent Independent Independent
Rear Suspension Multi-Leaf Multi-Leaf Multi-Leaf
StabiliTrak Electronic Stability Control System Standard Standard Standard
Traction Control System Standard Standard Standard
Turning Circle (ft.) 45.9 ft 45.9 ft 45.9 ft
Brakes Vortec® 6.0L Variable Valve Timing V8 SFI engine 2WD Vortec® 6.0L Variable Valve Timing V8 SFI engine 4WD Duramax® 6.6L Turbo-Diesel V8 engine 4WD
4-Wheel Disc Brakes Yes Yes Yes
4-Wheel ABS Yes Yes Yes