The Hummer H3 was developed by AM General as a versatile vehicle that made its debut in the first Gulf War. Hummer used cars have been a very popular vehicle to possess everything since the Desert Storm operation, so AM General decided to sell a version of its military Hummer and called it the H1. They started production in 1992. Next, General Motors in 1998 bought the Hummer brand AM General and then introduced the H2 to the market.
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Hummer H3 used cars:
In 2006, General Motors decided to develop an even lighter version of the Hummer and calls it H3. This design was based on the GMC Canyon pickup. The H3 uses the same 3.5-liter five-cylinder engine as the GMC. It has a 220 horsepower engine with 225 pounds of torque weight; it can come either in a four-speed manual, or in a five-speed automatic transmission. In 2007, General Motors upgraded the engine to a 3.7-liter, 242-horsepower, engine with a torque of 242 pounds in weight. Then 2008, General Motors went back to the drawing board and found an even more powerful H3. His solution was the H3 Alpha model; this vehicle would now have a V3 engine of 5.3 liters, 300 horsepower, with a torque of 320 pounds weight. This has only been offered in a four-speed automatic transmission. The 2009 Hummer cars have now added the H3T to the brand. It was a four-door cabin, a crew, a pick-up with a five-foot bed; this also came with the V8 engine.
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The Hummer H3 in 2006 had a fuel consumption of 14 mpg for city driving and 11 mpg for driving the highway with an automatic transmission. And with manual transmission, it had 15 mpg for city driving and for the highway it was 10 miles per gallon. In 2007, when the H3 changed to the 3.7-liter engine, fuel consumption increased. With the city’s automatic transmission, the driving was 15 mpg and the highway driving was 16 mpg under the manual transmission. In 2008, with the new 5.3-liter engine, you had 16 mpg for city driving. The 2009 H3 with its five-cylinder engine has improved fuel consumption to 14 miles per gallon for city driving and 15 miles per gallon for highway driving.