Pontiac Bonneville MPG by model year

Combined EPA ratings for each Pontiac Bonneville model year. Years with identical ratings are grouped together.

Model year	Combined MPG	Best hwy	Versions
2005	18–21 MPG	27	2
2004	18–21 MPG	27	3
2002–2003	19–21 MPG	27	2
2001	20 MPG	27	2
2000	19–20 MPG	27	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.