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2010 Jeep Liberty Sport (KK)
Shown: 2010 Jeep Liberty Sport (KK). Photo: MercurySable99, CC BY-SA 4.0, via Wikimedia Commons
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  • Standard SUVs
  • MY2002–2012

Jeep Liberty MPG & Fuel Cost by Year

6 model years · 2002–2012

18 MPG
Combined
16 MPG
City
22 MPG
Highway
Annual cost · MY2012 Liberty 3.7L 6-cyl RWD
$3,600

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

All Jeep models

Jeep Liberty fuel economy at a glance

EPA has rated the Jeep Liberty for 6 model years, 2002 to 2012. Across those years its combined rating runs 16–19 MPG. The latest model year, 2012, has 2 configurations rated 17–18 MPG combined and costing $3,600–$3,800 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2002 is the 2008 Liberty 3.7L 6-cyl RWD, at 19 MPG.

Jeep Liberty MPG by year

161820 200220082012 Gas 161820 200220082012 Gas
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
Jeep Liberty: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2008-2012 (KK) Generation page
2012 17–18 $3,600–$3,800
2011 17–18 $3,600–$3,800
2010 17–18 $3,630–$3,840
2009 17–18 $3,630–$3,840
2008 17–19 $3,440–$3,840
2002 (KJ) Generation page
2002 16–17 $3,840–$4,080

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.

Jeep Liberty generations

2 generations between 2002 and 2012. Open one for the table of every model year and configuration.

2012 powertrain options

Gas · 3.7L
Combined
17–18 MPG
Per year
$3,600–$3,800
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 Jeep Liberty's gas mileage by year?

EPA combined ratings for the Jeep Liberty run 16–19 MPG across model years 2002 to 2012. The latest year, 2012, is rated 17–18 MPG.

Which Jeep Liberty model year has the best gas mileage?

The 2008 Jeep Liberty Liberty 3.7L 6-cyl RWD has the highest combined rating since 2002, at 19 MPG.

How much does a Jeep Liberty cost to fuel per year?

For MY2012, EPA-rated configurations cost $3,600–$3,800 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $3,600.

Has the Jeep Liberty's fuel economy improved over time?

Yes. The most efficient configuration moved from 17 MPG in 2002 to 18 MPG in 2012, 1 MPG more.

Which Jeep Liberty model years have the same ratings?

EPA lists identical ratings as the previous year for 2012. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.

How many generations of the Jeep Liberty are there?

EPA data covers 2 generations of the Jeep Liberty: 2008-2012, 2002. Each has its own page with a table for every model year.