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Hummer Gas Mileage - Comparing Hummer Gas Mileage

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The Hummer was born in 1992 by AM General as a consumer version of the all-purpose military vehicle officially name the M998 High Mobility Multipurpose Wheeled Vehicle or HMMWV which was pronounced as “Hum-Vee.” Once the awe of owning and driving such a vehicle on public streets wore off, one factor became readily apparent over all others – The Hummer had the highest gas usage of any vehicle on the road. To make matters worse (or better, from the company’s perspective), because of the size and weight of the Hummer, it fell out of the range of vehicles that were required by law to disclose fuel economy rates. This led to a range of differences in tests done by reviewers.

In 1998, The Hummer brand was sold to General Motors who used the name to market different models: H1, H2, and H3. The H1 retained the basic body style of the original Hummer, based on the Hum-V. The H2 and H3 models were based on consumer SUVs that were more affordable and with better fuel economy.

In 2006, Hummer H1 production was discontinued, and as of 2010, GM has discontinued the H2 and H3 as well. After an attempt at selling the brand to a Chinese company failed, GM announced the Hummer line would be officially retired. Hummer owners are quite avid, however, so they are expected to be seen on the streets for decades to come.

Hummer H1
Anyone searching for information on Hummer gas mileage for the H1 will be hard-pressed to come up with any number. Most listings will simply leave the specification blank or insert zeros. According to some sources, the 2004 Hummer H1 had a fuel economy of 12 mpg in the city and 16 mpg on the highway. However, the numbers range from 12-15 mpg city and 14-18 mpg highway. In 2006, the H1 was released with a Duramax 6600 V-8 diesel engine that was supposed to improve fuel economy, but reports say this model was even worse, getting an average of 11 mpg.

Hummer H2
The Hummer H2 is actually a larger vehicle than the H1, but it was originally reported to have better fuel economy ratings. There is still no official EPA fuel mileage reports, and all consumers have to rely on are tests by reviewers. Comparing Hummer gas mileage for the H2 became difficult because it was not enough to compare the model against other vehicles; it had to be compared against itself. Some of the different listed fuel economy ratings for the 2007 H2 are as follows:

• About.com – 8.6 mpg average
• Edmunds – 9.2 mpg average
• Car and Driver – 10.0 mpg average
• Four Wheeler – 10.8 mpg average
• Motortrend – 12 mpg average

Hummer H3
The Hummer H3 was the smallest of the three Hummer models. This model fell into the EPA guidelines for fuel economy reporting, so the miles per gallon are easy to find and compare year-to-year. Instead of the V-8s of the previous models, the H3 used a smaller straight-5 engine. Fuel economy varied by transmission and other trim factors. The latest ratings for the H3 are as follows:

• 2006 and 2007 – Both automatic and manual transmissions rated 14 mpg city and 18 mpg highway.
• 2008 – The automatic H3 continued with 14/18 mpg ratings. The manual was at 13/18 mpg. There was also an 8 cylinder version rated at 13/16 mpg.
• 2009 and 2010 – The manual version improved to 14/18 mpg these years, but the other versions remained identical.

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