Honda Clarity MPG — Gas Mileage by Engine and Year

Quick answer

Against 41 other Plug-in hybrid cars rated 2019–2021, the Clarity beats their 36.5 mpg average by 5.5 mpg, about $138 a year.

Every Honda Clarity engine, compared

The Honda Clarity 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·Honda Clarity gas mileage by engine
Engine	Combined	City / Highway	Years	Fuel per year
1.5L 4-cyl Plug-in hybrid	42	44 / 40	2018–2021	$914

ROWS 1·SOURCE EPA fueleconomy.gov + ForCar

What that actually costs

Against its rivals in the same model years, the Toyota Camry gets 36.9 mpg, the Toyota Prius 56 mpg and the Infiniti Q50 23 mpg, next to 42 mpg for the 2021 Clarity.

FIG.02·Honda Clarity fuel cost
Measure	Value
Cost per mile (2021)	$0.076
Fuel per year	$914
Fuel over five years	$4,570
Against other Plug-in hybrid cars, 2019–2021	−$138 a year
EPA's own estimate	$1,500 a year

ROWS 5·SOURCE ForCar, computed from EPA ratings

City or highway — who is this car for

The 2021 Honda Clarity does better in town than out of it: 44 in the city against 40 on the highway, $87 a year in favor of city driving.

FIG.03·Honda Clarity city versus highway
Measure	Value	Reading
City (2021)	44 mpg	$873 a year if you only drive in town
Highway	40 mpg	$960 a year if you mostly commute
Gap	-4 mpg (-9%)	Reversed — it does better in town than on the open road

ROWS 3·SOURCE EPA fueleconomy.gov + ForCar

How the Clarity changed over the years

Combined figure across the 4 model years the Clarity was rated in, all of them at 42 mpg.

FIG.04·Honda Clarity gas mileage by model year
Model year	Combined	City / Highway	Engines offered	Fuel per year
2021	42	44 / 40	1	$914
2020	42	44 / 40	1	$914
2019	42	44 / 40	1	$914
2018	42	44 / 40	1	$914

ROWS 4·SOURCE EPA fueleconomy.gov + ForCar

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How we count

This page rests on 4 EPA ratings of the Honda Clarity — 1 engine across 2018–2021. 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 $1,500. Full method.

Everything on the Honda Clarity

Recalls12 campaigns DimensionsSize, weight, generations Cargo space16 cu ft Used prices123 listings What yours is worthValue by year & mileage Insurance costEstimated per year Window stickerOriginal Monroney label Decode a VINWhat each character means About this car2004–2021

Frequently asked questions

What mpg does the 2021 Honda Clarity get?

42 mpg combined, 44 city and 40 highway, per EPA. Across every year since 2018 the Clarity has averaged 42 mpg.

Is the 2021 Clarity more efficient than the 2020?

About the same: 42 against 42 mpg combined.

Does the Clarity get better gas mileage than the Toyota Camry?

Yes: 42 mpg for the 2021 Clarity against 36.9 for the 2022 Toyota Camry, about $127 a year less to run.

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 Nov 2026. — ForCar Reviewed by Denis Kataev, founder of ForCar.

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