Vortec 4.3L V6 Engine
Vortec 4.3L V6 engine features:
- 195 horsepower @ 4600 rpm
- 260 lb.-ft. of torque @ 2800 rpm
- EPA estimated MPG 15 city/20 highway in 2WD models
- EPA estimated MPG 14 city/18 highway in 4x4 models
- Standard Hydra-Matic four-speed automatic transmission
- Cast-iron cylinder heads with roller rocker arms and hydraulic roller lifters
- A high-capacity cast-iron crankshaft that's been internally balanced
- A Powertrain Control Module that continuously measures input to achieve optimized engine performance and smooth transmission shifts
- A coolant-loss protection feature that allows Silverado to be driven a limited distance at a reduced speed in order to reach a service facility even if a catastrophic reduction in the coolant level has occurred
- Extended-life spark plugs and engine coolant(1)
1 Maintenance needs vary with different uses and driving conditions. See the Owner's Manual for more information.