2008 GMC Sierra 1500 SLT 4dr Extended Cab 6.5 ft. SB 4WD
The 2008 GMC Sierra 1500 SLT 4dr Extended Cab 6.5 ft. SB 4WD is a 195-hp 4.3-liter V6 with an automatic 4-speed and all-wheel drive. It starts at $34,255 MSRP and is rated at 15 mpg combined.
It makes 195 horsepower. EPA fuel-economy estimates are 14 mpg city and 18 mpg highway (15 mpg combined).
The Sierra 1500 measures 229.9 inches long on a 143.5-inch wheelbase and has a curb weight of 5,266 lb.
| Spec | Value |
|---|---|
| Price | |
| MSRP | $34,255 ($51,709 *) |
| MSRP with Destination | $35,180 ($53,105 *) |
| Destination Charge | $925 |
| Engine | |
| Engine Type | 4.3L V6 |
| Displacement | 4.3 L |
| Horsepower | 195 hp |
| Drivetrain | |
| Drive Type | 4-Wheel or All-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 | 14 MPG |
| Highway | 18 MPG |
| Combined | 15 MPG |
| Recommended Fuel | Regular Gasoline |
| Tank Capacity | 26 gal |
| Tires & Wheels | |
| Wheels Front | 17-in. |
| Wheels Rear | 17-in. |
| Tires Front | P265/70R17 |
| Tires Rear | P265/70R17 |
| Dimensions & Weight | |
| Length | 229.9 in |
| Width | 80 in |
| Height | 73.7 in |
| Wheelbase | 143.5 in |
| Front Track | 68.1 in |
| Rear Track | 67 in |
| Ground Clearance | 9.1 in |
| Curb Weight | 5,266 lbs |
| Interior | |
| Headroom Front | 41.5 in |
| Headroom Rear | 40.6 in |
| Legroom Front | 41.3 in |
| Legroom Rear | 38.7 in |
| Shoulder Room Front | 65.2 in |
| Shoulder Room Rear | 65.2 in |
| Hip Room Front | 62.5 in |
| Hip Room Rear | 65.5 in |
* Amount adjusted for inflation to 2026 dollars