Hummer H3 MPG by model year
Combined EPA ratings for each Hummer H3 model year. Years with identical ratings are grouped together.
| Model year | Combined MPG | Best hwy | Versions |
|---|---|---|---|
| 2010 | 14–16 MPG | 18 | 3 |
| 2009 | 14–16 MPG | 18 | 3 |
| 2008 | 14–15 MPG | 18 | 3 |
| 2007 | 15 MPG | 18 | 2 |
| 2006 | 16 MPG | 18 | 2 |
Model years before 2005 are listed for reference without a separate page.
Source: U.S. Environmental Protection Agency and U.S. Department of Energy, fueleconomy.gov. Original data (downloaded 2026-09-29). Data processed by us; errors in processing are ours, not the publisher's.