1999 GMC Sierra 1500 3dr SLT Extended Cab SB 4WD
The 1999 GMC Sierra 1500 3dr SLT Extended Cab SB 4WD is a 200-hp 4.3-liter V6 with an automatic 4-speed and all-wheel drive. It starts at $30,035 MSRP and is rated at 16 mpg combined.
It makes 200 horsepower. EPA fuel-economy estimates are 14 mpg city and 19 mpg highway (16 mpg combined).
The Sierra 1500 measures 203.0 inches long on a 119.0-inch wheelbase.
| Spec | Value |
|---|---|
| Price | |
| MSRP | $30,035 ($58,592 *) |
| Engine | |
| Engine Type | 4.3L V6 |
| Displacement | 4.3 L |
| Horsepower | 200 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 | 19 MPG |
| Combined | 16 MPG |
| Recommended Fuel | Regular Gasoline |
| Tires & Wheels | |
| Wheels Front | 16-in. aluminum alloy |
| Wheels Rear | 16-in. aluminum alloy |
| Dimensions & Weight | |
| Length | 203 in |
| Width | 78.5 in |
| Height | 71.2 in |
| Wheelbase | 119 in |
| Interior | |
| Headroom Front | 41 in |
| Legroom Front | 41.3 in |
| Shoulder Room Front | 65.2 in |
| Hip Room Front | 61.4 in |
| Hip Room Rear | 61.4 in |
* Amount adjusted for inflation to 2026 dollars