Against 365 other V6 cars rated 2019–2021, the 370Z trails their 21.6 mpg average by 1.6 mpg, about $142 a year.
Every Nissan 370Z engine, compared
The Nissan 370Z 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 | 18.8 / 26 | 2009–2021 | $1,786 |
What that actually costs
Against its rivals in the same model years, the Mazda MX-5 gets 30 mpg, the Jaguar F-TYPE 21.7 mpg and the Porsche Boxster 24 mpg, next to 20 mpg for the 2021 370Z. The 370Z costs the most of them to run: $640 a year more than the Mazda MX-5.
| Measure | Value |
|---|---|
| Cost per mile (2021) | $0.160 |
| Fuel per year | $1,920 |
| Fuel over five years | $9,600 |
| Against other V6 cars, 2019–2021 | +$142 a year |
| EPA's own estimate | $3,573 a year |
City or highway — who is this car for
The 2021 Nissan 370Z gives up 9 mpg in town: 26 on the highway against 17 in the city, $782 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2021) | 17 mpg | $2,259 a year if you only drive in town |
| Highway | 26 mpg | $1,477 a year if you mostly commute |
| Gap | +9 mpg (53%) | Wide — this car dislikes traffic |
How the 370Z changed over the years
The 370Z peaked in 2020 at 22 mpg (19 city, 26 highway) and was at its thirstiest in 2021 at 20 — 2 mpg apart, or $175 a year in fuel between buying one year and the other. The 2021 car does 20. The 2021 model loses 2 mpg against 22 for the 2020.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2021 | 17 / 26 | 1 | $1,920 | |
| 2020 | 19 / 26 | 1 | $1,745 | |
| 2019 | 19 / 26 | 1 | $1,745 | |
| 2018 | 19 / 26 | 1 | $1,745 | |
| 2017 | 19 / 26 | 1 | $1,745 | |
| 2016 | 19 / 26 | 1 | $1,829 | |
| 2015 | 19 / 26 | 1 | $1,829 | |
| 2014 | 19 / 26 | 1 | $1,829 | |
| 2013 | 19 / 26 | 1 | $1,745 | |
| 2012 | 19 / 26 | 1 | $1,745 | |
| 2011 | 19 / 26 | 1 | $1,745 | |
| 2010 | 19 / 26 | 1 | $1,745 | |
| 2009 | 18 / 26 | 1 | $1,829 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 13 EPA ratings of the Nissan 370Z — 1 engine across 2009–2021. 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 $3,573. Full method.
Frequently asked questions
What mpg does the 2021 Nissan 370Z get?
20 mpg combined, 17 city and 26 highway, per EPA. Across every year since 2009 the 370Z has averaged 21.5 mpg.
Is the 2021 370Z more efficient than the 2020?
No: 20 against 22 mpg combined, about $175 a year more to run.
Which 370Z year has the best gas mileage?
The 2020, at 22 mpg combined (19 city, 26 highway).
Does the 370Z get better gas mileage than the Mazda MX-5?
No: 20 mpg for the 2021 370Z against 30 for the 2022 Mazda MX-5, about $640 a year more to run.
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