Against 417 other V6 cars rated 2011–2013, the G37 beats their 20.8 mpg average by 1.2 mpg, about $101 a year.
Every Infiniti G37 engine, compared
The Infiniti G37 was rated in a single specification, so its gas mileage does not vary by version — only by model year. Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 3.7L 6-cyl | 18.7 / 25.8 | 2008–2013 | $1,786 |
What that actually costs
Against its rivals in the same model years, the Audi A5 gets 25.7 mpg, the Audi TT 26 mpg and the Hyundai Genesis Coupe 21.7 mpg, next to 22 mpg for the 2013 G37.
| Measure | Value |
|---|---|
| Cost per mile (2013) | $0.145 |
| Fuel per year | $1,745 |
| Fuel over five years | $8,725 |
| Against other V6 cars, 2011–2013 | −$101 a year |
| EPA's own estimate | $3,583 a year |
City or highway — who is this car for
The 2013 Infiniti G37 gives up 7 mpg in town: 26 on the highway against 19 in the city, $544 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2013) | 19 mpg | $2,021 a year if you only drive in town |
| Highway | 26 mpg | $1,477 a year if you mostly commute |
| Gap | +7 mpg (37%) | Wide — this car dislikes traffic |
How the G37 changed over the years
The G37 peaked in 2013 at 22 mpg (19 city, 26 highway) and was at its thirstiest in 2008 at 20 — 2 mpg apart, or $175 a year in fuel between buying one year and the other.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2013 | 19 / 26 | 1 | $1,745 | |
| 2012 | 19 / 26 | 1 | $1,745 | |
| 2011 | 19 / 26 | 1 | $1,745 | |
| 2010 | 19 / 27 | 1 | $1,745 | |
| 2009 | 18 / 26 | 1 | $1,829 | |
| 2008 | 18 / 24 | 1 | $1,920 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 6 EPA ratings of the Infiniti G37 — 1 engine across 2008–2013. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $3.20 a gallon, against EPA's own estimate of $3,583. Full method.
Frequently asked questions
What mpg does the 2013 Infiniti G37 get?
22 mpg combined, 19 city and 26 highway, per EPA. Across every year since 2008 the G37 has averaged 21.5 mpg.
Is the 2013 G37 more efficient than the 2012?
About the same: 22 against 22 mpg combined.
Which G37 year has the best gas mileage?
The 2013, at 22 mpg combined (19 city, 26 highway), which is also the latest model year we hold.
Does the G37 get better gas mileage than the Audi A5?
No: 22 mpg for the 2013 G37 against 25.7 for the 2014 Audi A5, about $251 a year more to run.
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