MPG on H2 Hummer A Game-Changer in Fuel Economy

There are chips for it as well as exhaust and a few other things. Worst case urban driving is said to be in the range of 8 to 11 U.S. mpg (21 to 25 L/100 km). Although General Motors does not provide official H2 fuel economy ... View detailed gas mileage data for the 2005 HUMMER H2. Use our handy tool to get estimated annual fuel costs based on your driving habits. Daaam my 2003 Hummer H2, had better Mpg 12Mpg to be exact! Buy Innovative Performance Chip/Power Programmer for Hummer H2 - Improve Your Fuel Mileage & Gain More MPG, Increase Horsepower & Torque! Because it's a large truck, the HUMMER H2's fuel economy does not ... mpg in highway driving and 8-9 mpg in the city. The engine ... H2 is slightly higher in gas (10 - 14 mpg compared to 15 - 20 mpg) - BUT FX35 is higher insurance, and probably higher maintenance - which ... I have a 2005 Hummer H2 SUT. I live in the Boston area and do a lot of city driving. I bought the truck stock with a Corsa Sport Cat Back Exhaust and was ... Fuel economy not bad at all, its a terrible point that poor people focus on...People spend $200 a month on coffee no big deal, $500 a month on booze no big deal. I test drove an H2 SUT once, just for grins. Great power, but 6 mpgs at 60mph on the freeway was pretty awful- plus it won't fit in any parking ...