2010 Hummer H3 4WD
Estimated Gas Mileage
The 2010 Hummer H3 4WD has a 5.3L V8 engine and gets 13 miles per gallon in the city and 16 miles per gallon on the highway.
Miles-per-gallon.com estimates that it would cost $3,725 per year to fuel the H3 4WD using today's average gas prices.
*EPA Assumptions: 15,000 miles per year (55% city, 45% highway). $3.60/gallon regular or $3.70/gallon premium.