Mitsubishi Eclipse MPG

The 2012 Mitsubishi Eclipse gets 21.5 mpg combined (18.5 city, 26.5 highway): about $1,786 a year in fuel at $3.20 a gallon and 12,000 miles. Its 2 versions that year range from 20 to 23 mpg.

EPA fueleconomy.gov · 5 engines · 1990–2012 · Updated Nov 3, 2026
Quick answer

Against 323 other 4-cyl cars rated 2010–2012, the Eclipse trails their 26.2 mpg average by 4.7 mpg, about $320 a year. Averaged over the years each was sold, the most economical engine since 1990, the 1.8L 4-cyl (1990–1994), does 24 mpg and the thirstiest, the 3.8L 6-cyl (2006–2012), 19.7: $349 a year apart.

Every Mitsubishi Eclipse engine, compared

Yearly cost assumes 12,000 miles at $3.20 a gallon.

FIG.01·Mitsubishi Eclipse gas mileage by engine
EngineCombinedCity / HighwayYearsFuel per year
1.8L 4-cyl2421 / 291990–1994$1,600
2L 4-cyl23.620.6 / 29.41995–1999$1,627
2.4L 4-cyl23.120.1 / 27.92000–2012$1,662
3L 6-cyl2118 / 25.52000–2005$1,829
3.8L 6-cyl19.716.7 / 252006–2012$1,949
ROWS 5·SOURCE EPA fueleconomy.gov + ForCar

What that actually costs

Against its rivals in the same model years, the Nissan Sentra gets 30.3 mpg, the Volkswagen Beetle 26.8 mpg and the Hyundai Genesis 20.7 mpg, next to 21.5 mpg for the 2012 Eclipse.

FIG.02·Mitsubishi Eclipse fuel cost
MeasureValue
Cost per mile (2012)$0.149
Fuel per year$1,786
Fuel over five years$8,930
Against other 4-cyl cars, 2010–2012+$320 a year
EPA's own estimate$3,118 a year
ROWS 5·SOURCE ForCar, computed from EPA ratings

City or highway — who is this car for

The 2012 Mitsubishi Eclipse gives up 8 mpg in town: 26.5 on the highway against 18.5 in the city, $627 a year if every mile were city driving.

FIG.03·Mitsubishi Eclipse city versus highway
MeasureValueReading
City (2012)18.5 mpg$2,076 a year if you only drive in town
Highway26.5 mpg$1,449 a year if you mostly commute
Gap+8 mpg (43%)Wide — this car dislikes traffic
ROWS 3·SOURCE EPA fueleconomy.gov + ForCar

How the Eclipse changed over the years

The Eclipse peaked in 1997 at 24 mpg (21 city, 29 highway) and was at its thirstiest in 2010 at 21 — 3 mpg apart, or $229 a year in fuel between buying one year and the other. The 2012 car does 21.5.

FIG.04·Mitsubishi Eclipse gas mileage by model year
Model yearCombinedCity / HighwayEngines offeredFuel per year
201221.518.5 / 26.52$1,786
201121.518.5 / 26.52$1,786
20102118 / 25.52$1,829
20092118 / 262$1,829
200821.518.5 / 26.52$1,786
200721.518.5 / 272$1,786
200621.518.5 / 272$1,786
20052219 / 26.52$1,745
20042219 / 26.52$1,745
200322.519.5 / 272$1,707
20022219 / 272$1,745
20012219 / 26.52$1,745
20002219 / 272$1,745
19992320 / 301$1,670
19982320 / 301$1,670
19972421 / 291$1,600
19962421 / 291$1,600
19952421 / 291$1,600
19942421 / 291$1,600
19932421 / 291$1,600
19922421 / 291$1,600
19912421 / 291$1,600
19902421 / 291$1,600
ROWS 23·SOURCE EPA fueleconomy.gov + ForCar
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How we count

This page rests on 36 EPA ratings of the Mitsubishi Eclipse — 5 engines across 1990–2012. 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 $3,118. Full method.

Frequently asked questions

What mpg does the 2012 Mitsubishi Eclipse get?

21.5 mpg combined, 18.5 city and 26.5 highway, per EPA; its 2 versions that year range from 20 to 23. Across every year since 1990 the Eclipse has averaged 22.3 mpg.

Is the 2012 Eclipse more efficient than the 2011?

About the same: 21.5 against 21.5 mpg combined.

Which Eclipse year has the best gas mileage?

The 1997, at 24 mpg combined (21 city, 29 highway).

Does the Eclipse get better gas mileage than the Nissan Sentra?

No: 21.5 mpg for the 2012 Eclipse against 30.3 for the 2013 Nissan Sentra, about $519 a year more 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 , founder of ForCar.
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