Against 418 other V6 cars rated 2013–2015, the Q40 sits right on their 21.6 mpg average.
Every Infiniti Q40 engine, compared
The Infiniti Q40 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 | 19 / 27 | 2015–2015 | $1,745 |
What that actually costs
Against its rivals in the same model years, the Toyota Camry gets 31 mpg, the Honda Accord 33.9 mpg and the Toyota Prius 50.4 mpg, next to 22 mpg for the 2015 Q40. The Q40 costs the most of them to run: $983 a year more than the Toyota Prius.
| Measure | Value |
|---|---|
| Cost per mile (2015) | $0.145 |
| Fuel per year | $1,745 |
| Fuel over five years | $8,725 |
| Against other V6 cars, 2013–2015 | −$33 a year |
| EPA's own estimate | $3,500 a year |
City or highway — who is this car for
The 2015 Infiniti Q40 gives up 8 mpg in town: 27 on the highway against 19 in the city, $599 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2015) | 19 mpg | $2,021 a year if you only drive in town |
| Highway | 27 mpg | $1,422 a year if you mostly commute |
| Gap | +8 mpg (42%) | Wide — this car dislikes traffic |
How the Q40 changed over the years
Combined figure across the 1 model year the Q40 was rated in, all of them at 22 mpg.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2015 | 19 / 27 | 1 | $1,745 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 1 EPA ratings of the Infiniti Q40 — 1 engine across 2015–2015. 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 $3,500. Full method.
Frequently asked questions
What mpg does the 2015 Infiniti Q40 get?
22 mpg combined, 19 city and 27 highway, per EPA. Across every year since 2015 the Q40 has averaged 22 mpg.
Does the Q40 get better gas mileage than the Toyota Camry?
No: 22 mpg for the 2015 Q40 against 31 for the 2016 Toyota Camry, about $506 a year more to run.
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