Trailblazing MPG H2 Hummer's Hydrogen-Powered Fuel Efficiency

A combination of city and highway driving is estimated by GM to be in the range of 13-14 mpg. Added standard safety equipment for the 2008 H2 ... It's pushing the limit for the H2 but it should do fine, gas mileage will probably be horrible though. I know my friends H2 without towing ... ... this platform. Combine that with improved shift patterns, towing capabilities, throttle response and even fuel economy in many cases and you'll have wh. My fuel used has never been reset from what I can tell. I know I have not reset it. 1,729 gallons for 21,500+ miles. Around 12.4 mpg average. Final answer: The fuel cost for each mile driven in a Hummer H2 that gets 12 MPG, with gas costing $2.90 per gallon, is approximately $0.24 per ... Performance.  · Top Speed: 99 mph. 0-62 mph: 9.9 seconds ; Gas Mileage.  · Combined: 13 mpg. Total Range: 411 Miles ; Gasoline Engine.  · Capacity ... In our extensive driving of previous H2s, TheCarConnection.com's editors observed 10-12 mpg in highway driving. Likewise, the HUMMER H2 has not ... 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 ... Consumption in city is 30,0 lt/100km, consumption in highway is 15,0 lt/100km and combined fuel consumption is 22,0 lt/100km according to official factory data.