The 2007 Silverado 1500 primarily uses the Hydra-Matic 4L60-E four-speed automatic transmission.
In practice, that transmission was paired with the 4.3L V6 and most V8 options in the 1500 lineup. There was no factory manual option offered for the 1500 in that model year, and heavier-duty GM pickups (such as the 2500HD/3500) used different transmissions.
Transmission options for the 2007 Silverado 1500
Below is a concise look at the transmission configuration that GM deployed for the light-duty Silverado in 2007.
- Hydra-Matic 4L60-E four-speed automatic transmission — electronically controlled with overdrive; standard on most Silverado 1500 configurations (including the 4.3L V6, 4.8L V8, and 5.3L V8).
In summary, the 2007 Silverado 1500’s transmission was the 4L60-E automatic in the vast majority of builds; there was no factory manual transmission option for this trim in that year, and the heavier-duty GM trucks used different units.
How to confirm the transmission in a specific truck
To verify the exact transmission in a given 2007 Silverado 1500, consult the vehicle’s build sheet or VIN decoding resources, or inspect the transmission itself for identifying markings. The 4L60-E is the default for most 1500 models from this era.
Summary
For the 2007 Silverado 1500, the standard and most common transmission is the Hydra-Matic 4L60-E four-speed automatic. There was no factory manual option for the 1500 in that year, and the heavy-duty siblings in GM’s lineup used alternative transmissions.