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2009 Chevrolet Cobalt LT
Shown: 2009 Chevrolet Cobalt LT. Photo: Cutlass, CC0, via Wikimedia Commons
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  • MY2005–2010

Chevrolet Cobalt MPG & Fuel Cost by Year

6 model years · 2005–2010

30 MPG
Combined
25 MPG
City
37 MPG
Highway
Annual cost · MY2010 XFE Coupe 2.2L 4-cyl FWD
$2,180

15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)

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Chevrolet Cobalt fuel economy at a glance

EPA has rated the Chevrolet Cobalt for 6 model years, 2005 to 2010. Across those years its combined rating runs 23–30 MPG. The latest model year, 2010, has 7 configurations rated 25–30 MPG combined and costing $2,180–$2,610 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2005 is the 2010 XFE Coupe 2.2L 4-cyl FWD, at 30 MPG.

Chevrolet Cobalt MPG by year

2224262830 20052010 Gas 2224262830 20052010 Gas
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
Chevrolet Cobalt: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2005-2010 (1st gen) Generation page
2010 25–30 $2,180–$2,610
2009 25–30 $2,180–$2,610
2008 25–29 $2,250–$3,210
2007 23–25 $2,610–$3,490
2006 23–25 $2,610–$3,490
2005 23–25 $2,610–$3,490

Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.

Chevrolet Cobalt generations

1 generations between 2005 and 2010. Open one for the table of every model year and configuration.

2010 powertrain options

Gas · 2.0L, 2.2L
Combined
25–30 MPG
Per year
$2,180–$2,610
See gas configurations
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · regular gasoline $4.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the Chevrolet Cobalt's gas mileage by year?

EPA combined ratings for the Chevrolet Cobalt run 23–30 MPG across model years 2005 to 2010. The latest year, 2010, is rated 25–30 MPG.

Which Chevrolet Cobalt model year has the best gas mileage?

The 2010 Chevrolet Cobalt XFE Coupe 2.2L 4-cyl FWD has the highest combined rating since 2005, at 30 MPG.

How much does a Chevrolet Cobalt cost to fuel per year?

For MY2010, EPA-rated configurations cost $2,180–$2,610 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $2,180.

Has the Chevrolet Cobalt's fuel economy improved over time?

Yes. The most efficient configuration moved from 25 MPG in 2005 to 30 MPG in 2010, 5 MPG more.