1999 GMC Sierra HD 6.0L 2WD
The 1999 GMC Sierra HD 6.0L 2WD is a 300-hp 6.0-liter V8 with an automatic 4-speed and rear-wheel drive. It is rated at 12 mpg combined.
It makes 300 horsepower. EPA fuel-economy estimates are 11 mpg city and 15 mpg highway (12 mpg combined).
| Spec | Value |
|---|---|
| Engine | |
| Engine Type | 6.0L Vortec V8 |
| Displacement | 6 L |
| Horsepower | 300 hp |
| Drivetrain | |
| Drive Type | Rear-Wheel Drive |
| Transmission | |
| Transmission | Automatic 4-speed |
| 1st Gear | 3.06 |
| 2nd Gear | 1.63 |
| 3rd Gear | 1 |
| 4th Gear | 0.7 |
| Fuel Economy | |
| City | 11 MPG |
| Highway | 15 MPG |
| Combined | 12 MPG |
| Recommended Fuel | Regular Gasoline |