Pontiac GTO MPG by model year
Combined EPA ratings for each Pontiac GTO model year. Years with identical ratings are grouped together.
| Model year | Combined MPG | Best hwy | Versions |
|---|---|---|---|
| 2005–2006 | 16–18 MPG | 23 | 2 |
| 2004 | 17–19 MPG | 26 | 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.