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Porsche 924 MPG

The 1988 Porsche 924 gets 21 mpg combined (18 city, 26 highway): about $1,829 a year in fuel at $3.20 a gallon and 12,000 miles.

EPA fueleconomy.gov · 1 engines · 1987–1988 · Updated Nov 3, 2026
Quick answer

Against 303 other 4-cyl cars rated 1986–1988, the 924 trails their 24.3 mpg average by 3.3 mpg, about $249 a year.

Every Porsche 924 engine, compared

The Porsche 924 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 924 gas mileage by engine
EngineCombinedCity / HighwayYearsFuel per year
2.5L 4-cyl2118 / 261987–1988$1,829
ROWS 1·SOURCE EPA fueleconomy.gov + ForCar

What that actually costs

FIG.02·Porsche 924 fuel cost
MeasureValue
Cost per mile (1988)$0.152
Fuel per year$1,829
Fuel over five years$9,145
Against other 4-cyl cars, 1986–1988+$249 a year
EPA's own estimate$2,950 a year
ROWS 5·SOURCE ForCar, computed from EPA ratings

City or highway — who is this car for

The 1988 Porsche 924 gives up 8 mpg in town: 26 on the highway against 18 in the city, $656 a year if every mile were city driving.

FIG.03·Porsche 924 city versus highway
MeasureValueReading
City (1988)18 mpg$2,133 a year if you only drive in town
Highway26 mpg$1,477 a year if you mostly commute
Gap+8 mpg (44%)Wide — this car dislikes traffic
ROWS 3·SOURCE EPA fueleconomy.gov + ForCar

How the 924 changed over the years

Combined figure across the 2 model years the 924 was rated in, all of them at 21 mpg.

FIG.04·Porsche 924 gas mileage by model year
Model yearCombinedCity / HighwayEngines offeredFuel per year
19882118 / 261$1,829
19872118 / 261$1,829
ROWS 2·SOURCE EPA fueleconomy.gov + ForCar
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How we count

This page rests on 2 EPA ratings of the Porsche 924 — 1 engine across 1987–1988. 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 $2,950. Full method.

Everything on the Porsche 924
Recalls4 campaignsReliability4.5/5Common problems4 complaintsCheck a VINAgainst this exact buildDimensionsSize, weight, generationsCargo space12 cu ftWindow stickerOriginal Monroney labelDecode a VINWhat each character meansAbout this car1981–1988

Frequently asked questions

What mpg does the 1988 Porsche 924 get?

21 mpg combined, 18 city and 26 highway, per EPA. Across every year since 1987 the 924 has averaged 21 mpg.

Is the 1988 924 more efficient than the 1987?

About the same: 21 against 21 mpg combined.

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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