Pontiac · 2005–2010 · Gas / Flex-fuel

Pontiac G6 MPG by year

The EPA has rated 6 model years of the Pontiac G6, from 2005 to 2010. The most fuel-efficient year is the 2010, at 26 MPG combined in its best configuration. The best 2010 model is 13% more efficient than the best 2005 model (26 vs. 23 MPG). The 2010 model is 4% more efficient than the median compact car that year (26 vs. 25 MPG).

Most efficient year201026 MPG combined
Latest (2010)26 MPG$1,788/yr to fuel
First rated (2005)23 MPG$2,022/yr at today's prices
Model years rated634 configurations

Combined MPG by model year

  • G6, most efficient version
  • Range across configurations
  • Class median

Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.

Every G6 model year

YearTypeBest combinedCity / HwyClass medianRangeConfigsFuel / yr
2010 Gas 26 MPG
lowest 18
22 / 33 25 — 8 $1,788
2009 Gas 26 MPG
lowest 18
22 / 33 24 — 7 $1,788
2008 Gas 25 MPG
lowest 18
22 / 30 23 — 5 $1,860
2007 Gas 24 MPG
lowest 18
20 / 30 23 — 6 $1,938
2006 Gas 24 MPG
lowest 19
21 / 31 23.5 — 6 $1,938
2005 Gas 23 MPG
lowest 21
20 / 29 24.5 — 2 $2,022

Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.

Compare G6 model years

See how much a newer G6 would save over an older one.

Models similar to the Pontiac G6

Frequently asked questions

Which Pontiac G6 year has the best fuel economy?

The 2009 Pontiac G6, rated up to 26 MPG combined. At 15,000 miles a year with $3.10/gal regular gas, that works out to about $1,788 a year.

Which Pontiac G6 year has the worst fuel economy?

The 2005 model, whose most efficient version is rated 23 MPG combined (about $2,022 a year to fuel).

What is the fuel economy of the latest Pontiac G6?

The 2010 Pontiac G6 is rated up to 26 MPG combined.

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