- **Engine:** 6.6L Duramax Turbo-Diesel V8
- **Horsepower:** 300 hp @ 3000 rpm
- **Torque:** 520 lb-ft @ 1500 rpm
- **Transmission:** 5-speed automatic (Allison 1000)
- **Drivetrain:** Four-wheel drive (4WD)
- **Fuel Economy:** Approximately 10-12 mpg combined (varies based on usage)
- **Fuel Tank Capacity:** 51.5 gallons
- **Towing Capacity:** Up to 9,300 lbs
- **Ground Clearance:** 16 inches
- **Approach Angle:** 72 degrees
- **Departure Angle:** 37.5 degrees
- **Breakover Angle:** 32 degrees
- **Wheelbase:** 130 inches
- **Overall Length:** 184.5 inches
- **Overall Width:** 86.5 inches
- **Overall Height:** 77 inches
- **Curb Weight:** Approximately 7,558 lbs
- **Seating Capacity:** 4 passengers
- **Cargo Capacity:** 89.7 cubic feet (behind the rear seats)
The HUMMER H1 Alpha is known for its exceptional off-road capabilities and rugged design.