Silverado 1500 Powertrains
WT (Work Truck), Custom, Custom Trail Boss, LT, RST, LT Trail Boss:
- TurboMax engine (310 horsepower and 430 lb.-ft. of torque)
- 8-speed automatic transmission with electronically controlled overdrive
- Tow/Haul mode
- powertrain grade braking
- cruise grade braking
LTZ and High Country:
- 5.3-liter EcoTec3 V8 engine (355 hp and 383 lb.-ft. of torque)
- 10-speed Electronic Precision Shift automatic transmission
- (This powertrain is available for the WT through LT Trail Boss)
ZR2:
- 3.0-liter DuraMax Turbo-Diesel engine (305 hp and 495 lb.-ft. of torque); also available on the Custom Trail Boss, LT, RST, LT Trail Boss, LTZ, and High Country
- 10-speed Electronic Precision Shift automatic transmission
- * A 6.2-liter EcoTec V8 (420 horsepower, 460 lb.-ft. of torque) is optional for the RST and above.
- two-wheel drivetrain (2WD) or available four-wheel (4WD) with single-speed Autotrac transfer case (with 2WD Hi, 4WD Auto, 4WD Hi, and Terrain modes)
- maximum towing limit (2WD): 13,300 pounds on certain configurations
- maximum payload: 2,260 lb. (2WD with regular cab/long bed and TurboMax engine)
EPA-estimated fuel economy:
- ZR2 with Duramax Turbo Diesel V8: 20 mpg city/23 mpg highway
- WT, Custom, LT, RST, and LT Trail Boss: 17 city/20 highway with TurboMax engine
- LTZ and High Country with EcoTec3 V8: 16 city/19 highway
- Custom Trail Boss: 16 city/17 highway