In 1992, AM General, the same company responsible for development and production of the Humvee for the U.S. Army, began production of a new SUV intended for civilian use. Based on the iconic military vehicle, the Hummer H1 quickly became known as "the world's most serious 4x4," according to gmhummer.com. In 2002, the smaller Hummer H2 was born as a result of the partnership between AM General and General Motors.
The H2 had an exterior length of 203.5 inches, including the rear tire carrier. Excluding the mirrors, the exterior width was 81.2 inches. The track width, or the distance from tire to tire, was 69.4 inches. The distance from the center of the front tire to the rear axle, known as the wheelbase, was 122.8 inches. The final exterior dimension was the overhang, which was the distance between the wheelbase and the front or rear bumper. The front overhang was 32.6 inches, while the rear overhang was 34.5 inches.
The front row of the H2 had 40.5 inches of headroom and 66.4 inches of shoulder room, 63.8 inches of hip room and 41.3 inches of legroom.
The cargo dimensions had a length (behind the second row) of 37.3 inches, while the width (at the floor) was 67.6 inches. The overall volume, if the second-row seats were up, was 40 cubic feet. If the seats were folded down, the overall cargo volume expanded to 86.6 cubic feet.
A vehicle like the H2 was designed for off-roading. Total ground clearance was 9.7 inches. The approach angle, which was the maximum incline a vehicle's front bumper can clear from a horizontal position, was 39.8 degrees. Conversely, the departure angle for the rear bumper was 37.1 degrees. The breakover angle, which was the clearance of the center of the H2 while going over an incline, was 23.5 degrees. An optional air-suspension package increased those angles by about 3 degrees each. The side-slope capability, or the grade the H2 can traverse, was 40 percent. The percentage grade of a hill that the H2 was able to climb, or the the grade capability, was 60 percent. The water-forging depth was 24 inches at 5 mph, while the vertical scaling height was 16 inches.
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