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2006 Mercury Montego (D333)
Shown: 2006 Mercury Montego (D333). Photo: BlueCrabRedCrab, CC0, via Wikimedia Commons
  • Gas
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  • MY2005–2007

Mercury Montego MPG & Fuel Cost by Year

3 model years · 2005–2007

21 MPG
Combined
19 MPG
City
26 MPG
Highway
Annual cost · MY2007 Montego 3.0L 6-cyl FWD
$3,110

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

All Mercury models

Mercury Montego fuel economy at a glance

EPA has rated the Mercury Montego for 3 model years, 2005 to 2007. Across those years its combined rating runs 19–21 MPG. The latest model year, 2007, has 2 configurations rated 19–21 MPG combined and costing $3,110–$3,440 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 2007 Montego 3.0L 6-cyl FWD, at 21 MPG.

Mercury Montego MPG by year

182022 20052007 Gas 182022 20052007 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 Montego: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2005-2007 (D333) Generation page
2007 19–21 $3,110–$3,440
2006 19–21 $3,110–$3,440
2005 19–21 $3,110–$3,440

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 Montego generations

1 generations between 2005 and 2007. Open one for the table of every model year and configuration.

2007 powertrain options

Gas · 3.0L
Combined
19–21 MPG
Per year
$3,110–$3,440
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 Mercury Montego's gas mileage by year?

EPA combined ratings for the Mercury Montego run 19–21 MPG across model years 2005 to 2007. The latest year, 2007, is rated 19–21 MPG.

Which Mercury Montego model year has the best gas mileage?

The 2007 Mercury Montego Montego 3.0L 6-cyl FWD has the highest combined rating since 2005, at 21 MPG.

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

For MY2007, EPA-rated configurations cost $3,110–$3,440 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $3,110.

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

Not much. The most efficient configuration is rated 21 MPG in both 2005 and 2007.

Which Mercury Montego model years have the same ratings?

EPA lists identical ratings as the previous year for 2006. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.