Hummer H1 2006 car dimensions: 4686 mm long, 2197 mm wide and 2006 mm high. Braked towing is 4,220 kg.
The cabin holds four in premium leather-trimmed seats with heated fronts. Standard gear includes air conditioning with an auxiliary rear unit, cruise control, power windows with driver express-down, power locks with remote keyless entry, a Monsoon audio system with in-dash 6-disc CD changer, heated windshield, and an auto-dimming mirror with compass and temperature. CTIS controls sit in the cockpit. No cameras, sensors, or electronic driver aids appear in the equipment lists.
Open Top models list 53.8 cubic feet of cargo volume behind the seats. A removable tonneau cover is available.
Maximum towed load reaches 9303 pounds on the Open Top with a weight-distributing hitch. a weight-carrying hitch limits it to 7000 pounds. Payload is 2453 pounds. The Allison transmission includes tow/haul mode, and a trailer towing unit with wire harness is standard.
The setup suits heavy work and off-road use, with independent double A-frame suspension, helical geared hubs, bolstered half-shafts, and multiple fluid coolers for engine oil, transmission, transfer case, and power steering.
Premium leather-trimmed seats come standard with front heated seats and adjustable in-board armrests. Soft-touch materials cover the dash and doors. Heat and sound insulation quiet the cabin. Air conditioning includes an auxiliary rear unit. The open top uses a removable tonneau cover for open-air driving. Four captain's chairs sit around a large center tunnel, so space feels tight.
Diesel fuel. dual tanks (main plus auxiliary)
Engine oil and filter change every 3,000 miles
No crash-test ratings published
Standard 4-wheel ABS, TorqTrac 4 traction control, 3-point seat belts
Run-flat tire system and Central Tire Inflation System standard
4-year/50,000-mile bumper-to-bumper warranty
The vehicle runs on diesel through a Duramax 6.6L turbocharged V8. Dual fuel tanks (main and auxiliary) support extended cruising range.
Oil and filter service occurs every 3,000 miles under normal use. Air and fuel filters, geared hub oil, axle oil, transmission fluid, and transfer case fluid follow longer intervals such as 6,000 or 12,000 miles. The factory warranty runs 4 years or 50,000 miles and includes scheduled maintenance.
Standard safety equipment covers 4-wheel ABS with Hydroboost, TorqTrac 4 traction control, and 3-point seat belts at all positions. No airbags are fitted. Run-flat tires and the Central Tire Inflation System add off-road security. No government crash tests exist for the model.
The aluminum body and heavy-duty frame, geared hubs, and inboard disc brakes suit severe use. Keep up with the maintenance chart for hubs, axles, and fluids to preserve capability.
Length 4686 mm, Width 2197 mm, Height 2006 mm, Wheelbase 3302 mm (H1 2006)
Sources: manufacturer data, 2006 HUMMER H1 Alpha sales brochure, HUMMER 2006 H1 Alpha specification sheet, Cargo volume is published only.