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2010 Mercury Mountaineer Premier (U251)
Shown: 2010 Mercury Mountaineer Premier (U251). Photo: Cutlass, CC0, via Wikimedia Commons
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  • MY2000–2010

Mercury Mountaineer MPG & Fuel Cost by Year

11 model years · 2000–2010

17 MPG
Combined
15 MPG
City
21 MPG
Highway
Annual cost · MY2010 Mountaineer 4.6L 8-cyl RWD
$3,840

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

All Mercury models

Mercury Mountaineer fuel economy at a glance

EPA has rated the Mercury Mountaineer for 11 model years, 2000 to 2010. Across those years its combined rating runs 14–17 MPG. The latest model year, 2010, has 4 configurations rated 15–17 MPG combined and costing $3,840–$4,360 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2000 is the 2010 Mountaineer 4.6L 8-cyl RWD, at 17 MPG. EPA ratings go back to 1984: the earliest rating on this page is 14 MPG in 1997.

Mercury Mountaineer MPG by year

141618 2000200220062010 Gas 141618 2000200220062010 Gas
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
Mercury Mountaineer: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2006-2010 (U251) Generation page
2010 15–17 $3,840–$4,360
2009 15–17 $3,840–$4,360
2008 15–16 $4,080–$4,360
2007 15–16 $4,080–$4,360
2006 15–16 $4,080–$4,360
2002-2005 (2nd gen) Generation page
2005 14–16 $4,080–$4,670
2004 15–16 $4,080–$4,360
2003 15–16 $4,080–$4,360
2002 14–16 $4,080–$4,670
2000-2001 (1st gen) Generation page
2001 15–17 $3,840–$4,360
2000 15–16 $4,080–$4,360

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.

Mercury Mountaineer generations

3 generations between 2000 and 2010. Open one for the table of every model year and configuration.

2010 Mercury Mountaineer Premier (U251)

2006-2010 Mercury Mountaineer (U251)

15–17 MPG · $3,840–$4,360/yr
2004 Mercury Mountaineer Convenience

2002-2005 Mercury Mountaineer (2nd gen)

14–16 MPG · $4,080–$4,670/yr
1997 Mercury Mountaineer

2000-2001 Mercury Mountaineer (1st gen)

15–17 MPG · $3,840–$4,360/yr

2010 powertrain options

Gas · 4.0L, 4.6L
Combined
15–17 MPG
Per year
$3,840–$4,360
See gas configurations

Mercury Mountaineer MPG history, 1997–1999

Mercury Mountaineer: combined MPG range by model year, 1997–1999
YearGas (MPG)
1999 14–16
1998 14–16
1997 14

EPA re-estimated the ratings of pre-2008 vehicles under its 2008 method; these are the re-estimated values.

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 Mercury Mountaineer's gas mileage by year?

EPA combined ratings for the Mercury Mountaineer run 14–17 MPG across model years 2000 to 2010. The latest year, 2010, is rated 15–17 MPG.

Which Mercury Mountaineer model year has the best gas mileage?

The 2010 Mercury Mountaineer Mountaineer 4.6L 8-cyl RWD has the highest combined rating since 2000, at 17 MPG.

How much does a Mercury Mountaineer cost to fuel per year?

For MY2010, EPA-rated configurations cost $3,840–$4,360 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $3,840.

Has the Mercury Mountaineer's fuel economy improved over time?

Yes. The most efficient configuration moved from 16 MPG in 2000 to 17 MPG in 2010, 1 MPG more. Going back further, the best rating in 1984 was 14 MPG.

How many generations of the Mercury Mountaineer are there?

EPA data covers 3 generations of the Mercury Mountaineer: 2006-2010, 2002-2005, 2000-2001. Each has its own page with a table for every model year.