2010 GMC Sierra: Sierra 15 Hybrid 2WD · 6.0L · RWD · automatic · Hybrid
One configuration of the 2010 GMC Sierra as listed by our sources. Every figure below carries its source.
| Specification | Value | Source |
|---|---|---|
| Engine | 6.0L 8-cylinder | EPA fueleconomy.gov |
| Displacement | 6.0 L | EPA fueleconomy.gov |
| Cylinders | 8 | EPA fueleconomy.gov |
| Fuel type | Hybrid | EPA fueleconomy.gov |
| Transmission | Automatic | EPA fueleconomy.gov |
| Drivetrain | RWD | EPA fueleconomy.gov |
| Combined economy | 22 mpg (10.7 L/100 km) | EPA fueleconomy.gov |
| City economy | 21 mpg (11.2 L/100 km) | EPA fueleconomy.gov |
| Highway economy | 22 mpg (10.7 L/100 km) | EPA fueleconomy.gov |
Provenance & verification
- EPA fueleconomy.gov · US Government public data
Source checked: October 15, 2026
Data verified: October 15, 2026