In short, most 2010 Sierra 1500 models use a 4-speed automatic (4L60-E), while the 6.2-liter V8 version uses a 6-speed automatic (6L80). There was no manual transmission option for this model year in the US.
Transmission options by engine
The following map shows which transmission is typically paired with each engine in the 2010 Sierra 1500:
- 4.3 L V6 — 4L60-E 4-speed automatic
- 4.8 L V8 — 4L60-E 4-speed automatic
- 5.3 L V8 — 4L60-E 4-speed automatic
- 6.2 L V8 — 6L80 6-speed automatic
Note: There can be variations by trim level or production run, but the above pairing reflects the common configurations for the 2010 model year.
Maintenance and compatibility considerations
Important details: The 4L60-E and 6L80 transmissions require appropriate GM-approved automatic transmission fluid, typically Dexron VI. Fluid-change intervals depend on usage, driving conditions, and vehicle maintenance history. If diagnosing transmission issues, verify the exact transmission code and VIN to confirm the correct pairing for your specific vehicle.
Additional notes
There were no factory manual transmission options for the 2010 Sierra 1500 in the North American market. Always consult your owner’s manual or a GM dealer for the exact transmission specification tied to your VIN, especially for used vehicles where previous configurations may differ.
Summary: For the 2010 GMC Sierra 1500, the typical transmission pairing is a 4-speed automatic (4L60-E) with the 4.3L, 4.8L, and 5.3L engines, and a 6-speed automatic (6L80) with the 6.2L V8. No manual transmission option was offered in that model year.
What transmission does a 2010 GMC Sierra 1500 5.3 have?
Drivetrain
| Transmission | 6-speed automatic |
|---|---|
| Drive type | Rear wheel drive |
| Rear locking differential | Standard |
How do I tell if I have a 4L60E or 6L80E?
Control like the other GM automatics the easiest way to identify a 4L80 is to look at the shape of the pan. And you can see compared to this 4L60 pan that the 4L80 pan is just enormous.
How do I tell what transmission I have on my GMC Sierra 1500?
As I push that plus. And I go up to second gear third gear fourth gear i'm pushing the plus. You see the plus fifth gear sixth gear seventh gear eighth gear that means it's an 8-speed.
What year did Silverado get 6L80E?
The arrival of 6L80E transmissions – or Hydra-Matic 6L80 transmissions – on the automotive scene in 2006 showcased the considerable design change of the automatic transmissions that General Motors created. Before now, every transmission produced by General Motors was practically based on hydraulic controls.