Chevrolet Impala MPG

The 2020 Chevrolet Impala gets 22 mpg combined (19 city, 28 highway): about $1,745 a year in fuel at $3.20 a gallon and 12,000 miles.

EPA fueleconomy.gov · 9 engines · 1984–2020 · Updated Nov 4, 2026
Quick answer

Against 399 other V6 cars rated 2018–2020, the Impala sits right on their 21.7 mpg average. Averaged over the years each was sold, the most economical engine since 1984, the 2.4L 4-cyl (2014), does 28 mpg and the thirstiest, the 3.8L 6-cyl (1984), 17: $888 a year apart.

Every Chevrolet Impala engine, compared

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

FIG.01·Chevrolet Impala gas mileage by engine
EngineCombinedCity / HighwayYearsFuel per year
2.4L 4-cyl2824 / 352014–2014$1,371
2.5L 4-cyl2522 / 30.22015–2019$1,536
3.5L 6-cyl22.318.3 / 28.72006–2011$1,722
3.6L 6-cyl2218.6 / 28.12012–2020$1,745
3.4L 6-cyl21.818.7 / 292000–2005$1,761
5.7L 8-cyl2118 / 25.51984–1985$1,829
4.3L 6-cyl1916 / 241985–1985$2,021
5.3L 8-cyl1916 / 24.52006–2009$2,021
3.8L 6-cyl1715 / 191984–1984$2,259
ROWS 9·SOURCE EPA fueleconomy.gov + ForCar

What that actually costs

Against its rivals in the same model years, the Chrysler 300 gets 21 mpg, the Hyundai Sonata 40 mpg and the Ford Taurus 21 mpg, next to 22 mpg for the 2020 Impala.

FIG.02·Chevrolet Impala fuel cost
MeasureValue
Cost per mile (2020)$0.145
Fuel per year$1,745
Fuel over five years$8,725
Against other V6 cars, 2018–2020−$25 a year
EPA's own estimate$3,023 a year
ROWS 5·SOURCE ForCar, computed from EPA ratings

City or highway — who is this car for

The 2020 Chevrolet Impala gives up 9 mpg in town: 28 on the highway against 19 in the city, $650 a year if every mile were city driving.

FIG.03·Chevrolet Impala city versus highway
MeasureValueReading
City (2020)19 mpg$2,021 a year if you only drive in town
Highway28 mpg$1,371 a year if you mostly commute
Gap+9 mpg (47%)Wide — this car dislikes traffic
ROWS 3·SOURCE EPA fueleconomy.gov + ForCar

How the Impala changed over the years

The Impala peaked in 2014 at 25 mpg (21.5 city, 31.5 highway) and was at its thirstiest in 1984 at 19 — 6 mpg apart, or $485 a year in fuel between buying one year and the other. The 2020 car does 22. The biggest single-year change came in 2014: 22 to 25 mpg.

FIG.04·Chevrolet Impala gas mileage by model year
Model yearCombinedCity / HighwayEngines offeredFuel per year
20202219 / 281$1,745
201923.520.5 / 28.52$1,634
201823.520 / 292$1,634
201723.520 / 292$1,634
201623.520.5 / 29.52$1,634
201523.520.5 / 29.52$1,634
20142521.5 / 31.52$1,536
20132218 / 281$1,745
20122218 / 291$1,745
20112319 / 291$1,670
20102218 / 291$1,745
20092117.5 / 26.52$1,829
200820.517 / 26.52$1,873
200720.517 / 262$1,873
200620.517 / 272$1,873
20052219 / 291$1,745
20042219 / 291$1,745
20032219 / 291$1,745
20022219 / 291$1,745
20012219 / 291$1,745
20002117 / 291$1,829
19852017 / 252$1,920
19841916.5 / 222$2,021
ROWS 23·SOURCE EPA fueleconomy.gov + ForCar
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How we count

This page rests on 35 EPA ratings of the Chevrolet Impala — 9 engines across 1984–2020. 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 $3,023. Full method.

Frequently asked questions

What mpg does the 2020 Chevrolet Impala get?

22 mpg combined, 19 city and 28 highway, per EPA. Across every year since 1984 the Impala has averaged 22 mpg.

Is the 2020 Impala more efficient than the 2019?

No: 22 against 23.5 mpg combined, about $111 a year more to run.

Which Impala year has the best gas mileage?

The 2014, at 25 mpg combined (21.5 city, 31.5 highway).

Does the Impala get better gas mileage than the Chrysler 300?

Yes: 22 mpg for the 2020 Impala against 21 for the 2021 Chrysler 300, about $84 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 , founder of ForCar.
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