- Newest year: 2013
- Gas
- Midsize cars
2011-2013 Infiniti M37 MPG & Fuel Cost
3 model years · 20–21 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 2 of 10 midsize car configurations, MY2013. Ranked against all rated configurations, not sales-weighted.
2011-2013 Infiniti M37 at a glance
The 2011-2013 Infiniti M37 covers 3 model years in the EPA database (6 configurations in all), rated 20–21 MPG combined. The newest model year, 2013, costs about $3,790 a year to fuel for its most efficient version, the M37 3.7L 6-cyl RWD (21 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2013; 2012 repeat the values of the year before.
2011-2013 Infiniti M37 by model year
What the 2013 M37 3.7L 6-cyl RWD costs to drive
Per month
$316
$3,790 a year ÷ 12
Per 25 miles
$6.32
Per 100 miles
$25.27
Five years
$18,950
5 × the yearly cost, prices held at today's level
vs the midsize car median
$1,030more a year
Class median $2,760 a year, MY2013
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2013 Infiniti M37 MPG
Versus 2012: The most efficient configuration stays at 21 MPG. Its annual cost goes from $3,800 to $3,790, $10 less.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| M37 (Most efficient) | 3.7L 6-cyl | RWD | 18 | 26 | 21 | $3,790 |
| M37x | 3.7L 6-cyl | AWD | 18 | 24 | 20 | $4,040 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2012 Infiniti M37 MPG
Same EPA ratings as 2011
EPA lists the same ratings for the 2012 Infiniti M37 as for the 2011 model, so the configurations and costs are the ones in the 2011 section above.See 2011
2011 Infiniti M37 MPG
20–21 MPG · $3,800–$4,040/yr
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| M37 (Most efficient) | 3.7L 6-cyl | RWD | 18 | 26 | 21 | $3,800 |
| M37x | 3.7L 6-cyl | AWD | 18 | 24 | 20 | $4,040 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the M37 3.7L 6-cyl RWD: $4,520 in California and $3,290 in Texas, a $1,230 difference.
- California $4,520
- Washington $4,250
- New York $3,750
- Florida $3,460
- Texas $3,290
Similar cars
Closest combined MPG among MY2013 midsize car models.
Generations
- 2011-2013 (4th gen)
Frequently asked questions
What gas mileage does the 2011-2013 Infiniti M37 get?
EPA rates the 2011-2013 Infiniti M37 at 20–21 MPG combined across 6 configurations and 3 model years. The most efficient version, the 2013 M37 3.7L 6-cyl RWD, is rated 21 MPG (18 city, 26 highway).
Which years had the best MPG in the 2011-2013 Infiniti M37?
Every model year of the 2011-2013 Infiniti M37 tops out at 21 MPG combined, so no year is better than another.
Did EPA ratings change during the 2011-2013 Infiniti M37?
Yes. Ratings changed in 2013. In 2012 the values repeat the year before.
How much does it cost to fuel a 2013 Infiniti M37 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the M37 3.7L 6-cyl RWD costs about $3,790 a year. Across all 2 configurations the cost runs $3,790–$4,040 a year. That is a $250 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2013 Infiniti M37 100 miles?
About $25.27 per 100 miles for the M37 3.7L 6-cyl RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $25.27 and $26.93 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2013 Infiniti M37 more efficient in the city or on the highway?
The M37 3.7L 6-cyl RWD is rated 18 city and 26 highway MPG, so it is more efficient on the highway, by 8 MPG.
How does the 2013 Infiniti M37 compare with other midsize car configurations?
The M37 3.7L 6-cyl RWD costs about $3,790 a year to fuel, $1,030 more than the class median of $2,760, and less than 2 of 10 midsize car configurations. The comparison covers all 186 rated midsize car configurations for MY2013, not weighted by sales.
Is the 2013 Infiniti M37 different from the 2012 model?
The most efficient configuration stays at 21 MPG. Its annual cost goes from $3,800 to $3,790, $10 less. EPA lists 2 configurations for 2013 against 2 configurations for 2012. See the 2012 Infiniti M37 for that year.