1999 GMC Sonoma SLS Sport Extended Cab Stepside SB
The 1999 GMC Sonoma SLS Sport Extended Cab Stepside SB is a 2.2-liter inline-4 with an automatic 4-speed and rear-wheel drive. It starts at $16,556 MSRP and is rated at 19 mpg combined.
EPA fuel-economy estimates are 17 mpg city and 24 mpg highway (19 mpg combined).
The Sonoma measures 205.3 inches long on a 122.9-inch wheelbase and has a curb weight of 3,232 lb.
| Spec | Value |
|---|---|
| Price | |
| MSRP | $16,556 ($32,297 *) |
| Engine | |
| Engine Type | 2.2L I4 |
| Displacement | 2.2 L |
| Drivetrain | |
| Drive Type | RWD |
| Transmission | |
| Transmission | Automatic 4-speed |
| Fuel Economy | |
| City | 17 MPG |
| Highway | 24 MPG |
| Combined | 19 MPG |
| Recommended Fuel | Regular Gasoline |
| Tank Capacity | 19 gal |
| Tires & Wheels | |
| Wheels Front | 16-in. |
| Wheels Rear | 16-in. |
| Dimensions & Weight | |
| Length | 205.3 in |
| Width | 67.9 in |
| Height | 62.7 in |
| Wheelbase | 122.9 in |
| Ground Clearance | 7.2 in |
| Curb Weight | 3,232 lbs |
| Interior | |
| Headroom Front | 39.6 in |
| Legroom Front | 42.4 in |
| Shoulder Room Front | 56.9 in |
| Hip Room Front | 51.6 in |
| Hip Room Rear | 51.6 in |
* Amount adjusted for inflation to 2026 dollars