- Newest year: 2007
- Gas
- Hybrid
- Standard SUVs
2005-2007 Mercury Mariner MPG & Fuel Cost
3 model years · 18–27 MPG combined
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 8 of 10 standard SUV configurations, MY2007. Ranked against all rated configurations, not sales-weighted.
2005-2007 Mercury Mariner at a glance
The 2005-2007 Mercury Mariner covers 3 model years in the EPA database (14 configurations in all), rated 18–27 MPG combined. The newest model year, 2007, costs about $2,420 a year to fuel for its most efficient version, the Hybrid 2.3L 4-cyl 4WD (27 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). Powertrains over the years: gas and hybrid. EPA changed the ratings in 2006 and 2007. The best combined rating in the generation, 27 MPG, was reached in 2006 and 2007.
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
2005-2007 Mercury Mariner by model year
What the 2007 Mariner 2.3L 4-cyl FWD costs to drive
Per month
$259
$3,110 a year ÷ 12
Per 25 miles
$5.18
Per 100 miles
$20.73
Five years
$15,550
5 × the yearly cost, prices held at today's level
vs the standard SUV median
$910less a year
Class median $4,020 a year, MY2007
Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).
2007 Mercury Mariner MPG
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 27 MPG. Its annual cost stays at $2,420.
Gas configurations (4)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Mariner 2.3L 4-cyl FWD (Most efficient) | 2.3L 4-cyl | FWD | 20 | 24 | 21 | $3,110 |
| Mariner 3.0L 6-cyl FWD | 3.0L 6-cyl | FWD | 18 | 23 | 20 | $3,270 |
| Mariner 2.3L 4-cyl 4WD | 2.3L 4-cyl | 4WD | 18 | 23 | 20 | $3,270 |
| Mariner 3.0L 6-cyl 4WD | 3.0L 6-cyl | 4WD | 17 | 21 | 19 | $3,440 |
Hybrid configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Hybrid (Most efficient) | 2.3L 4-cyl | 4WD | 28 | 27 | 27 | $2,420 |
2006 Mercury Mariner MPG
19–27 MPG · $2,420–$3,440/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Versus 2005: The most efficient configuration moves from 21 to 27 MPG, up 6. Its annual cost goes from $3,110 to $2,420, $690 less.
Gas configurations (4)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Mariner 2.3L 4-cyl FWD (Most efficient) | 2.3L 4-cyl | FWD | 20 | 23 | 21 | $3,110 |
| Mariner 3.0L 6-cyl FWD | 3.0L 6-cyl | FWD | 18 | 23 | 20 | $3,270 |
| Mariner 2.3L 4-cyl 4WD | 2.3L 4-cyl | 4WD | 18 | 22 | 20 | $3,270 |
| Mariner 3.0L 6-cyl 4WD | 3.0L 6-cyl | 4WD | 17 | 21 | 19 | $3,440 |
Hybrid configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Hybrid (Most efficient) | 2.3L 4-cyl | 4WD | 28 | 26 | 27 | $2,420 |
2005 Mercury Mariner MPG
18–21 MPG · $3,110–$3,630/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 |
|---|---|---|---|---|---|---|
| Mariner 2.3L 4-cyl FWD (Most efficient) | 2.3L 4-cyl | FWD | 19 | 24 | 21 | $3,110 |
| Mariner 3.0L 6-cyl FWD | 3.0L 6-cyl | FWD | 17 | 23 | 19 | $3,440 |
| Mariner 2.3L 4-cyl 4WD | 2.3L 4-cyl | 4WD | 17 | 21 | 19 | $3,440 |
| Mariner 3.0L 6-cyl 4WD | 3.0L 6-cyl | 4WD | 16 | 21 | 18 | $3,630 |
Fuel cost by state
Yearly cost of the Mariner 2.3L 4-cyl FWD: $4,230 in California and $2,710 in Texas, a $1,520 difference.
- California $4,230
- Washington $3,920
- New York $3,110
- Florida $2,940
- Texas $2,710
Similar cars
Closest combined MPG among MY2007 standard SUV models.
Generations
Frequently asked questions
What gas mileage does the 2005-2007 Mercury Mariner get?
EPA rates the 2005-2007 Mercury Mariner at 18–27 MPG combined across 14 configurations and 3 model years. The most efficient version, the 2007 Hybrid 2.3L 4-cyl 4WD, is rated 27 MPG (28 city, 27 highway). By powertrain: Gas: 18–21 MPG; Hybrid: 27 MPG.
Which years had the best MPG in the 2005-2007 Mercury Mariner?
The Hybrid 2.3L 4-cyl 4WD reached the generation's best combined rating, 27 MPG, in 2006 and 2007. The lowest top rating, 21 MPG, was in 2005.
Did EPA ratings change during the 2005-2007 Mercury Mariner?
Yes. Ratings changed in 2006 and 2007.
How much does it cost to fuel a 2007 Mercury Mariner per year?
Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the Mariner 2.3L 4-cyl FWD costs about $3,110 a year. Across all 5 configurations the cost runs $2,420–$3,440 a year. That is a $1,020 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2007 Mercury Mariner 100 miles?
About $20.73 per 100 miles for the Mariner 2.3L 4-cyl FWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $16.13 and $22.93 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2007 Mercury Mariner more efficient in the city or on the highway?
The Mariner 2.3L 4-cyl FWD is rated 20 city and 24 highway MPG, so it is more efficient on the highway, by 4 MPG.
How does the 2007 Mercury Mariner compare with other standard SUV configurations?
The Mariner 2.3L 4-cyl FWD costs about $3,110 a year to fuel, $910 less than the class median of $4,020, and less than 8 of 10 standard SUV configurations. The comparison covers all 325 rated standard SUV configurations for MY2007, not weighted by sales.
Is the 2007 Mercury Mariner hybrid cheaper to fuel than the gas version?
Yes. The best hybrid (Hybrid 2.3L 4-cyl 4WD) is rated 27 MPG against 21 MPG for the best gas version (Mariner 2.3L 4-cyl FWD), 6 MPG more. At regular gasoline $4.36/gal (U.S. average, Sep 2026) that is $2,420 versus $3,110 a year, a saving of $690.
Is the 2007 Mercury Mariner different from the 2006 model?
The most efficient configuration stays at 27 MPG. Its annual cost stays at $2,420. EPA lists 5 configurations for 2007 against 5 configurations for 2006. See the 2006 Mercury Mariner for that year.