The transmission is a six-speed automatic in the 2014 Silverado 1500 LT.
The 2014 Silverado 1500 LT was offered with several gasoline engines, and the transmission was matched to the engine. In this model year, GM equipped LT trims with a six-speed automatic transmission across the EcoTec3 V6 and V8 options, rather than a manual. The exact transmission is part of the Hydra-Matic six-speed family, with variations depending on engine choice and drivetrain configuration.
Transmission options by engine
The following list outlines the common engine-to-transmission pairings for the 2014 Silverado 1500 LT. If your vehicle has a different option package, the transmission may vary, but a six-speed automatic remains standard for LT runners in this year.
- 4.3L EcoTec3 V6 — 6-speed automatic
- 5.3L EcoTec3 V8 — 6-speed automatic
- 6.2L EcoTec3 V8 — 6-speed automatic
In short, the 2014 Silverado 1500 LT uses a six-speed automatic transmission across its common engine options, with the specific variant determined by engine and drivetrain configuration.
How to verify your vehicle’s transmission
To confirm the exact transmission in your specific truck, check the door sticker for drivetrain details, consult the owner’s manual, or look up the VIN in GM’s WDS/Service information to see the specified transmission code.
Summary
Across the 2014 Silverado 1500 LT lineup, the vehicle is equipped with a six-speed automatic transmission for all standard engine options (4.3L V6, 5.3L V8, and 6.2L V8). While variations exist based on option packages and drivetrain, the six-speed automatic is the consistent transmission type for LT models in that model year.