What LS engine is in a 2011 Silverado?
The 2011 Chevrolet Silverado offered two LS-family V8 options: a 5.3-liter V8 (Vortec 5300) as the standard choice, and a 6.2-liter V8 (Vortec 6200) as an upgrade on higher trims. The 4.3-liter V6 is not an LS engine.
LS-family engine options for the 2011 Silverado
Below is a summary of the main LS-family V8 engines that could be found in the 2011 Silverado 1500, depending on trim and configuration.
- 5.3-liter V8 (Vortec 5300) — The standard LS-family V8 for most 2011 Silverado 1500s, typically delivering around 315 horsepower and 335 lb-ft of torque; some versions were available as flex-fuel (FFV).
- 6.2-liter V8 (Vortec 6200) — An upgrade option on higher trims, producing roughly 400 horsepower and 400+ lb-ft of torque.
Note: Engine availability depended on the truck’s trim, cab configuration, bed length, and optional packages. The 4.3-liter V6 is not part of the LS engine family.
Summary
For a 2011 Silverado, an LS-family engine typically means choosing between the 5.3L V8 (Vortec 5300) as the standard option and the 6.2L V8 (Vortec 6200) as a performance upgrade on higher-spec models.
