The Hummer H2 gets 10 mpg in the city and 13 mpg on the highway, according to tests performed by Car and Driver. Excessive fuel consumption is due to the vehicle's large 6.0-liter V8 engine. More »

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The Hummer H2's fuel economy ranks as one of the worst of any consumer automobile, with reviewers reporting the vehicle gets around 8-10 miles per gallon in the city and 13 mpg on the highway. Poor maintenance can degrad... More »

The original Hummer H1 has four seats. More than four people can comfortably fit in this Hummer, but there are only for seat belts in the vehicle. More »

The Hummer H2's fuel economy ranks as one of the worst of any consumer automobile, with reviewers reporting the vehicle gets around 8-10 miles per gallon in the city and 13 mpg on the highway. Poor maintenance can degrad... More »

Common mechanical problems with the Hummer H2 include issues with the brakes and suspension, issues with heating and air conditioning, fuel pump failures, and issues with the vehicle battery draining for a variety of rea... More »

The Environmental Protection Agency reports Smart Car gasoline ratings at 34 mpg in the city, 38 mpg on the highway and 36 mpg forcombined driving, as of 2015. Several factors affect actual mpg, such as individual drivin... More »

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For the 2015 model year, the U.S. Environmental Protection Agency estimated that the Audi A3 sedan averages 31 mpg in the city, and 43 mpg on the highway with its six-speed automatic transition. This comes from a turboch... More »

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