IA

Scion iA MPG

Scion iA gas mileage averages 36 mpg combined — about $1,067 a year in fuel at today's prices, or $5,335 over five years. Below: every engine compared, because the gap between versions is usually wider than the gap between models.

EPA fueleconomy.gov · 1 engines · 2016–2016 · Updated Sep 19, 2026
Quick answer

The Scion iA does 36 mpg combined (32 city, 41 highway), which works out to about $1,067 a year in fuel at $3.20 a gallon and 12,000 miles. Against other 4-cyl cars it sits above the average of 25.7 mpg.

Every Scion iA engine, compared

The Scion iA 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.

FIG.01·Scion iA gas mileage by engine
EngineCombinedCity / HighwayYearsFuel per year
1.5L 4-cyl3632 / 412016–2016$1,067
ROWS 1·SOURCE EPA fueleconomy.gov + ForCar

What that actually costs

The Scion iA burns a gallon every 36 miles, so 12,000 miles takes about 333 gallons a year. At $3.20 that is what the table below adds up to.

FIG.02·Scion iA fuel cost
MeasureValue
Cost per mile$0.089
Fuel per year$1,067
Fuel over five years$5,335
Against other 4-cyl cars−$427 a year
EPA's own estimate$1,750 a year
ROWS 5·SOURCE ForCar, computed from EPA ratings

City or highway — who is this car for

The Scion iA gives up 9 mpg the moment you leave the motorway — 41 out there against 32 in town, a 28% drop worth $263 a year. A wide gap punishes stop-and-start traffic; a narrow one means the car doesn't care where you drive it.

FIG.03·Scion iA city versus highway
MeasureValueReading
City32 mpg$1,200 a year if you only drive in town
Highway41 mpg$937 a year if you mostly commute
Gap+9 mpg (28%)Typical for its type
ROWS 3·SOURCE EPA fueleconomy.gov + ForCar

How the iA changed over the years

Combined figure across the 1 model year the iA was rated in, all of them at 36 mpg.

FIG.04·Scion iA gas mileage by model year
Model yearCombinedCity / HighwayEngines offeredFuel per year
20163632 / 411$1,067
ROWS 1·SOURCE EPA fueleconomy.gov + ForCar
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How we count

This page rests on 1 EPA ratings of the Scion iA — 1 engine across 2016–2016. 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 $1,750. Full method.

Frequently asked questions

What mpg does the Scion iA get?

36 mpg combined on average — 32 in the city and 41 on the highway, per EPA ratings across 2016–2016.

How much does a Scion iA cost in fuel per year?

About $1,067 at 12,000 miles and $3.20 a gallon — roughly $5,335 over five years, or 0.089 dollars a mile.

Which iA engine is the most economical?

The 1.5L 4-cyl at 36 mpg.

Is the iA good on fuel compared with similar cars?

Against other 4-cyl cars it sits above the average of 25.7 mpg, computed across 4765 ratings.

Are these real-world iA figures?

No — they are EPA laboratory ratings, the same ones printed on the window sticker, and EPA's own annual fuel estimate for the Scion iA is $1,750 against the $1,067 we compute at 12,000 miles. Expect a little worse in practice: the spread between the city and highway figures is smaller than the spread between two drivers of the same one.

Gas mileage ratings from EPA fueleconomy.gov, unadjusted. Running cost computed by ForCar at 12,000 miles a year and $3.20 a gallon. Last updated Sep 2026. — ForCar Reviewed by , founder of ForCar.
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