Infiniti G37x MPG by year — every rating on record
The Infiniti G37x has a combined EPA fuel economy rating for 4 model years, from 2009 to 2013. Across those years its best rated version returned 20 mpg (2009) and its thirstiest returned 20 mpg (2009). The EPA record holds 4 configurations for this nameplate, most recently a Midsize Cars.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2009 | 1 | 20 mpg | 20 mpg | #43 of 66 (35th pct) | 4-Wheel or All-Wheel Drive | Premium | Midsize Cars |
| 2010 | 1 | 20 mpg | 20 mpg | #45 of 63 (29th pct) | 4-Wheel Drive | Premium | Midsize Cars |
| 2012 | 1 | 20 mpg | 20 mpg | #61 of 76 (20th pct) | All-Wheel Drive | Premium | Midsize Cars |
| 2013 | 1 | 20 mpg | 20 mpg | #77 of 92 (16th pct) | All-Wheel Drive | Premium | Midsize Cars |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Infiniti G37x placed highest in 2009 at #43 of 66, and lowest in 2013 at #77 of 92. It spent 0 of its 4 ranked years in the top half of its class.
Every configuration on record
All 4 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | 3.7L 6-cyl All-Wheel Drive Automatic (S7) Premium | 3.7L 6-cyl | 18 | 25 | 20 | 575.0 | 14.9 | $3,900 | 435 | 5/10 |
| 2012 | 3.7L 6-cyl All-Wheel Drive Automatic (S7) Premium | 3.7L 6-cyl | 18 | 25 | 20 | 575.0 | 14.9 | $3,900 | 444.35 | n/a |
| 2010 | 3.7L 6-cyl 4-Wheel Drive Automatic (S7) Premium | 3.7L 6-cyl | 18 | 25 | 20 | 575.0 | 14.9 | $3,900 | 444.35 | n/a |
| 2009 | 3.7L 6-cyl 4-Wheel or All-Wheel Drive Automatic (S7) Premium | 3.7L 6-cyl | 18 | 25 | 20 | 575.0 | 14.9 | $3,900 | 444.35 | n/a |
What G37x fuel costs over a year
At the EPA's 11,500 miles a year, the 2013 Infiniti G37x burns 575 to 575 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $1,725 | $1,725 | $0 |
| $3.50/gal | $2,013 | $2,013 | $0 |
| $4.00/gal | $2,300 | $2,300 | $0 |
EPA’s own estimate for the 2013 model year is $3,900 to $3,900 a year in fuel, or $8,250 more than the average new vehicle over five years.
How it compares with other Midsize Cars
Across the 483 nameplates EPA classifies as Midsize Cars, the median best combined rating is 25 mpg. At 20 mpg the Infiniti G37x is 5 mpg below the median, which is worth about $403 a year at $3.50 a gallon.
- All Midsize Cars rankings — every nameplate in the class, best to worst.
Other Infiniti nameplates
Every Infiniti model compared → — all nameplates ranked by best combined rating, with what each one costs a year.