2007 Hummer H3 H3X
The 2007 Hummer H3 H3X is a 242-hp 3.7-liter with an automatic 4-speed and all-wheel drive. It starts at $38,135 MSRP and is rated at 15 mpg combined.
It makes 242 horsepower and 242 lb-ft of torque. EPA fuel-economy estimates are 14 mpg city and 18 mpg highway (15 mpg combined).
The H3 measures 186.7 inches long on a 111.9-inch wheelbase and has a curb weight of 4,700 lb.
| Spec | Value |
|---|---|
| Price | |
| MSRP | $38,135 ($59,787 *) |
| Engine | |
| Engine Type | 3.7L LLR DOHC inline-5 |
| Displacement | 3.7 L |
| Horsepower | 242 hp |
| Torque | 242 lb-ft |
| Valvetrain | DOHC, 20-valve |
| Drivetrain | |
| Drive Type | 4-Wheel or All-Wheel Drive |
| Transmission | |
| Transmission | Automatic 4-speed |
| Fuel Economy | |
| City | 14 MPG |
| Highway | 18 MPG |
| Combined | 15 MPG |
| Recommended Fuel | Regular Gasoline |
| Tank Capacity | 23 gal |
| Tires & Wheels | |
| Wheels Front | 18-in. chrome aluminum alloy |
| Wheels Rear | 18-in. chrome aluminum alloy |
| Tires Front | P265/65R18 112S |
| Tires Rear | P265/65R18 112S |
| Dimensions & Weight | |
| Length | 186.7 in |
| Width | 85 in |
| Height | 73.7 in |
| Wheelbase | 111.9 in |
| Front Track | 65 in |
| Rear Track | 65.5 in |
| Ground Clearance | 9.1 in |
| Cargo Volume | 29.5 ft³ |
| Curb Weight | 4,700 lbs |
| Interior | |
| Headroom Front | 40.6 in |
| Headroom Rear | 39.9 in |
| Legroom Front | 41.9 in |
| Legroom Rear | 35 in |
| Shoulder Room Front | 54.4 in |
| Shoulder Room Rear | 53.5 in |
| Hip Room Front | 53.9 in |
| Hip Room Rear | 53.9 in |
* Amount adjusted for inflation to 2026 dollars