- Newest year: 2010
- Gas
- Standard SUVs
2006-2010 Mercury Mountaineer MPG & Fuel Cost
5 model years · 15–17 MPG combined
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 4 of 10 standard SUV configurations, MY2010. Ranked against all rated configurations, not sales-weighted.
2006-2010 Mercury Mountaineer at a glance
The 2006-2010 Mercury Mountaineer covers 5 model years in the EPA database (20 configurations in all), rated 15–17 MPG combined. The newest model year, 2010, costs about $3,840 a year to fuel for its most efficient version, the Mountaineer 4.6L 8-cyl RWD (17 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2007, 2008, 2009 and 2010. The best combined rating in the generation, 17 MPG, was reached in 2009 and 2010.
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
2006-2010 Mercury Mountaineer by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2010 | Gas | 15–17 MPG | $3,840–$4,360 | Ratings changed |
| 2009 | Gas | 15–17 MPG | $3,840–$4,360 | Ratings changed |
| 2008 | Gas | 15–16 MPG | $4,080–$4,360 | Ratings changed |
| 2007 | Gas | 15–16 MPG | $4,080–$4,360 | Ratings changed |
| 2006 | Gas | 15–16 MPG | $4,080–$4,360 | First year |
What the 2010 Mountaineer 4.6L 8-cyl RWD costs to drive
Per month
$320
$3,840 a year ÷ 12
Per 25 miles
$6.40
Per 100 miles
$25.60
Five years
$19,200
5 × the yearly cost, prices held at today's level
vs the standard SUV median
$210more a year
Class median $3,630 a year, MY2010
Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).
2010 Mercury Mountaineer MPG
Versus 2009: The most efficient configuration stays at 17 MPG. Its annual cost stays at $3,840.
Gas configurations (4)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Mountaineer 4.6L 8-cyl RWD (Most efficient) | 4.6L 8-cyl | RWD | 15 | 21 | 17 | $3,840 |
| Mountaineer 4.0L 6-cyl RWD | 4.0L 6-cyl | RWD | 14 | 20 | 16 | $4,080 |
| Mountaineer 4.6L 8-cyl 4WD | 4.6L 8-cyl | 4WD | 14 | 19 | 16 | $4,080 |
| Mountaineer 4.0L 6-cyl 4WD | 4.0L 6-cyl | 4WD | 13 | 19 | 15 | $4,360 |
2009 Mercury Mountaineer MPG
15–17 MPG · $3,840–$4,360/yr
Versus 2008: The most efficient configuration moves from 16 to 17 MPG, up 1. Its annual cost goes from $4,080 to $3,840, $240 less.
Gas configurations (4)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Mountaineer 4.6L 8-cyl RWD (Most efficient) | 4.6L 8-cyl | RWD | 15 | 21 | 17 | $3,840 |
| Mountaineer 4.0L 6-cyl RWD | 4.0L 6-cyl | RWD | 14 | 20 | 16 | $4,080 |
| Mountaineer 4.6L 8-cyl 4WD | 4.6L 8-cyl | 4WD | 14 | 19 | 16 | $4,080 |
| Mountaineer 4.0L 6-cyl 4WD | 4.0L 6-cyl | 4WD | 13 | 19 | 15 | $4,360 |
2008 Mercury Mountaineer MPG
15–16 MPG · $4,080–$4,360/yr
Versus 2007: The most efficient configuration stays at 16 MPG. Its annual cost stays at $4,080.
Gas configurations (4)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Mountaineer 4.0L 6-cyl RWD (Most efficient) | 4.0L 6-cyl | RWD | 14 | 20 | 16 | $4,080 |
| Mountaineer 4.6L 8-cyl RWD | 4.6L 8-cyl | RWD | 13 | 20 | 16 | $4,080 |
| Mountaineer 4.0L 6-cyl 4WD | 4.0L 6-cyl | 4WD | 13 | 19 | 15 | $4,360 |
| Mountaineer 4.6L 8-cyl 4WD | 4.6L 8-cyl | 4WD | 13 | 19 | 15 | $4,360 |
2007 Mercury Mountaineer MPG
15–16 MPG · $4,080–$4,360/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Versus 2006: The most efficient configuration stays at 16 MPG. Its annual cost stays at $4,080.
Gas configurations (4)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Mountaineer 4.6L 8-cyl RWD (Most efficient) | 4.6L 8-cyl | RWD | 13 | 20 | 16 | $4,080 |
| Mountaineer 4.0L 6-cyl RWD | 4.0L 6-cyl | RWD | 13 | 19 | 15 | $4,360 |
| Mountaineer 4.0L 6-cyl 4WD | 4.0L 6-cyl | 4WD | 13 | 18 | 15 | $4,360 |
| Mountaineer 4.6L 8-cyl 4WD | 4.6L 8-cyl | 4WD | 13 | 18 | 15 | $4,360 |
2006 Mercury Mountaineer MPG
15–16 MPG · $4,080–$4,360/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Gas configurations (4)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Mountaineer 4.0L 6-cyl RWD (Most efficient) | 4.0L 6-cyl | RWD | 13 | 19 | 16 | $4,080 |
| Mountaineer 4.6L 8-cyl RWD | 4.6L 8-cyl | RWD | 13 | 19 | 15 | $4,360 |
| Mountaineer 4.0L 6-cyl 4WD | 4.0L 6-cyl | 4WD | 13 | 19 | 15 | $4,360 |
| Mountaineer 4.6L 8-cyl 4WD | 4.6L 8-cyl | 4WD | 13 | 18 | 15 | $4,360 |
Fuel cost by state
Yearly cost of the Mountaineer 4.6L 8-cyl RWD: $5,230 in California and $3,350 in Texas, a $1,880 difference.
- California $5,230
- Washington $4,840
- New York $3,840
- Florida $3,630
- Texas $3,350
Similar cars
Closest combined MPG among MY2010 standard SUV models.
Generations
- 2000-2001 (1st gen)
- 2002-2005 (2nd gen)
- 2006-2010 (U251)
Frequently asked questions
What gas mileage does the 2006-2010 Mercury Mountaineer get?
EPA rates the 2006-2010 Mercury Mountaineer at 15–17 MPG combined across 20 configurations and 5 model years. The most efficient version, the 2010 Mountaineer 4.6L 8-cyl RWD, is rated 17 MPG (15 city, 21 highway).
Which years had the best MPG in the 2006-2010 Mercury Mountaineer?
The Mountaineer 4.6L 8-cyl RWD reached the generation's best combined rating, 17 MPG, in 2009 and 2010. The lowest top rating, 16 MPG, was in 2006, 2007 and 2008.
Did EPA ratings change during the 2006-2010 Mercury Mountaineer?
Yes. Ratings changed in 2007, 2008, 2009 and 2010.
How does the 2006-2010 Mercury Mountaineer compare with the previous generation?
The previous generation (2002-2005 Mercury Mountaineer) is rated 14–16 MPG combined and costs $4,080–$4,670 a year to fuel; the 2006-2010 model is rated 15–17 MPG and costs $3,840–$4,360 a year.
How much does it cost to fuel a 2010 Mercury Mountaineer per year?
Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the Mountaineer 4.6L 8-cyl RWD costs about $3,840 a year. Across all 4 configurations the cost runs $3,840–$4,360 a year. That is a $520 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2010 Mercury Mountaineer 100 miles?
About $25.60 per 100 miles for the Mountaineer 4.6L 8-cyl RWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $25.60 and $29.07 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2010 Mercury Mountaineer more efficient in the city or on the highway?
The Mountaineer 4.6L 8-cyl RWD is rated 15 city and 21 highway MPG, so it is more efficient on the highway, by 6 MPG.
How does the 2010 Mercury Mountaineer compare with other standard SUV configurations?
The Mountaineer 4.6L 8-cyl RWD costs about $3,840 a year to fuel, $210 more than the class median of $3,630, and less than 4 of 10 standard SUV configurations. The comparison covers all 301 rated standard SUV configurations for MY2010, not weighted by sales.
Is the 2010 Mercury Mountaineer different from the 2009 model?
The most efficient configuration stays at 17 MPG. Its annual cost stays at $3,840. EPA lists 4 configurations for 2010 against 4 configurations for 2009. See the 2009 Mercury Mountaineer for that year.