Against 407 other 4-cyl cars rated 2013–2015, the iQ beats their 27.3 mpg average by 9.7 mpg, about $369 a year.
Every Scion iQ engine, compared
The Scion iQ 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 |
|---|---|---|---|---|
| 1.3L 4-cyl | 36 / 37 | 2011–2015 | $1,043 |
What that actually costs
Against its rivals in the same model years, the Fiat 500 gets 33.7 mpg and the Mini Cooper Convertible 29.7 mpg, next to 37 mpg for the 2015 iQ. The iQ is the cheapest of them to run: $255 a year less than the Mini Cooper Convertible.
| Measure | Value |
|---|---|
| Cost per mile (2015) | $0.086 |
| Fuel per year | $1,038 |
| Fuel over five years | $5,190 |
| Against other 4-cyl cars, 2013–2015 | −$369 a year |
| EPA's own estimate | $1,710 a year |
City or highway — who is this car for
The 2015 Scion iQ gives up 1 mpg in town: 37 on the highway against 36 in the city, $29 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2015) | 36 mpg | $1,067 a year if you only drive in town |
| Highway | 37 mpg | $1,038 a year if you mostly commute |
| Gap | +1 mpg (3%) | Narrow — equally happy either way |
How the iQ changed over the years
The iQ peaked in 2015 at 37 mpg (36 city, 37 highway) and was at its thirstiest in 2011 at 36 — 1 mpg apart, or $29 a year in fuel between buying one year and the other.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2015 | 36 / 37 | 1 | $1,038 | |
| 2014 | 36 / 37 | 1 | $1,038 | |
| 2013 | 36 / 37 | 1 | $1,038 | |
| 2012 | 36 / 37 | 1 | $1,038 | |
| 2011 | 36 / 37 | 1 | $1,067 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 5 EPA ratings of the Scion iQ — 1 engine across 2011–2015. 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 $1,710. Full method.
Frequently asked questions
What mpg does the 2015 Scion iQ get?
37 mpg combined, 36 city and 37 highway, per EPA. Across every year since 2011 the iQ has averaged 36.8 mpg.
Is the 2015 iQ more efficient than the 2014?
About the same: 37 against 37 mpg combined.
Which iQ year has the best gas mileage?
The 2015, at 37 mpg combined (36 city, 37 highway), which is also the latest model year we hold.
Does the iQ get better gas mileage than the Fiat 500?
Yes: 37 mpg for the 2015 iQ against 33.7 for the 2016 Fiat 500, about $101 a year less to run.
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