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Porsche 918 MPG

The 2015 Porsche 918 gets 22 mpg combined (20 city, 24 highway): about $1,745 a year in fuel at $3.20 a gallon and 12,000 miles.

EPA fueleconomy.gov · 1 engines · 2015–2015 · Updated Nov 3, 2026
Quick answer

Against 19 other Plug-in hybrid cars rated 2013–2015, the 918 trails their 38.1 mpg average by 16.1 mpg, about $737 a year.

Every Porsche 918 engine, compared

The Porsche 918 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·Porsche 918 gas mileage by engine
EngineCombinedCity / HighwayYearsFuel per year
4.6L 8-cyl Plug-in hybrid2220 / 242015–2015$1,745
ROWS 1·SOURCE EPA fueleconomy.gov + ForCar

What that actually costs

FIG.02·Porsche 918 fuel cost
MeasureValue
Cost per mile (2015)$0.145
Fuel per year$1,745
Fuel over five years$8,725
Against other Plug-in hybrid cars, 2013–2015+$737 a year
EPA's own estimate$3,500 a year
ROWS 5·SOURCE ForCar, computed from EPA ratings

City or highway — who is this car for

The 2015 Porsche 918 gives up 4 mpg in town: 24 on the highway against 20 in the city, $320 a year if every mile were city driving.

FIG.03·Porsche 918 city versus highway
MeasureValueReading
City (2015)20 mpg$1,920 a year if you only drive in town
Highway24 mpg$1,600 a year if you mostly commute
Gap+4 mpg (20%)Typical for its type
ROWS 3·SOURCE EPA fueleconomy.gov + ForCar

How the 918 changed over the years

Combined figure across the 1 model year the 918 was rated in, all of them at 22 mpg.

FIG.04·Porsche 918 gas mileage by model year
Model yearCombinedCity / HighwayEngines offeredFuel per year
20152220 / 241$1,745
ROWS 1·SOURCE EPA fueleconomy.gov + ForCar
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How we count

This page rests on 1 EPA ratings of the Porsche 918 — 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.

Everything on the Porsche 918
Recalls1 campaignsDimensionsSize, weight, generationsWindow stickerOriginal Monroney labelDecode a VINWhat each character meansAbout this car2015–2015

Frequently asked questions

What mpg does the 2015 Porsche 918 get?

22 mpg combined, 20 city and 24 highway, per EPA. Across every year since 2015 the 918 has averaged 22 mpg.

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 , founder of ForCar.
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