2008 HUMMER H3 SUV H3X
Research the new 2008 HUMMER H3 SUV H3X. Find photos, dimensions, fuel, performance, safety, and warranty information.
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 2008 HUMMER H3 SUV H3X 4-Speed 3.7L I5 Automatic 4WD-FT
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2009 Trims
2008 Trims
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| Cargo Volume: | 29.5 Cubic Feet |
| Curb Weight: | 4,689 Pounds |
| Doors: | 4 |
| Ground Clearance: | 9.1 Inches |
| Height: | 73.7 Inches |
| Length: | 188.1 Inches |
| Passenger Volume: | Not Listed |
| Seating Capacity: | 5 People |
| Tire Aspect Ratio: | 65% |
| Tire Wheel Diameter: | 18 Inches |
| Tire Width: | 265 Millimeters |
| Truck Bed Height: | 37.0 Inches |
| Truck Bed Length: | 32.0 Inches |
| Truck Bed Width from Walls: | Not Listed |
| Truck Bed Width from Wheels: | 42.1 Inches |
| Wheelbase: | 111.9 Inches |
| Width: | 74.8 Inches |
| Fuel Capacity: | 23.0 Gallons |
| Fuel Economy (Average): | 15 Miles per Gallon |
| Fuel Economy (City): | 14 Miles per Gallon |
| Fuel Economy (Highway): | 18 Miles per Gallon |
| Range: | 345.0 Miles |
| Type: | Gasoline |
| Avg Steering Diameter: | 37.0 Feet |
| Bore x Stroke: | 3.77 x 4.01 Inches |
| Compression Ratio: | 10.0:1 |
| Displacement: | 226 Ci / 3700 Cc |
| Final Drive Ratio: | 4.56:1 |
| Gross Vehicle Weight Ratio: | 6,001 Pounds |
| Horsepower: | 242 HP @ 5,600 RPM |
| Payload Capacity: | 1,150 Pounds |
| Torque: | 242 Pounds Per Foot @ 4,600 RPM |
| Towing Capacity: | 4,500 Pounds |
| Cylinders: | 5 |
| Driveline: | 4WD |
| Engine Name: | 3.7L I5 |
| Overdrive: | Yes |
| Supercharged: | No |
| Transmission Base: | 5-Speed Manual |
| Transmission Speed: | 4 Gears |
| Transmission Type: | Automatic |
| Turbocharged: | No |
| Valves: | 20 |
| Volume: | 3.7 Liters |
| Front Crash Test (Driver): |  |
| Front Crash Test (Passenger): |  |
| Rollover Rating: |  |
| Side Crash Test (Front Seat): | |
| Side Crash Test (Rear Seat): | |
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The 2008 H3 SUV is a 4-door, 5-passenger luxury sport-utility, available in 5 trims, ranging from the Base to the Alpha.
Upon introduction, the Base is equipped with a standard 3.7-liter, I5, 242-horsepower engine that achieves 13-mpg in the city and 18-mpg on the highway. A 5-Speed manual transmission with overdrive is standard, and a 4-Speed automatic transmission with overdrive is optional. The Alpha is equipped with a standard 5.3-liter, V8, 300-horsepower engine that achieves 13-mpg in the city and 16-mpg on the highway. A 4-Speed automatic transmission with overdrive is standard.
The 2008 Base is a carryover from 2007. The Alpha has been redesigned for 2008.
| Basic Warranty: | 50,000 Miles / 48 Months |
| Powertrain Warranty: | 100,000 Miles / 60 Months |
| Rust Warranty: | 100,000 Miles / 72 Months |
