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2018 Chevrolet Impala Premier
Shown: 2018 Chevrolet Impala Premier. Photo: Kevauto, CC BY-SA 4.0, via Wikimedia Commons
  • Newest year: 2020
  • Gas
  • Large cars

2014-2020 Chevrolet Impala MPG & Fuel Cost

7 model years · 21–28 MPG combined

22 MPG
Combined
19 MPG
City
28 MPG
Highway
Annual fuel cost · Impala 3.6L 6-cyl FWD
$2,980

15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)

Cheaper to fuel than 6 of 10 large car configurations, MY2020. Ranked against all rated configurations, not sales-weighted.

2014-2020 Chevrolet Impala at a glance

The 2014-2020 Chevrolet Impala covers 7 model years in the EPA database (26 configurations in all), rated 21–28 MPG combined. The newest model year, 2020, costs about $2,980 a year to fuel for its most efficient version, the Impala 3.6L 6-cyl FWD (22 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). Powertrains over the years: gas, natural gas and hybrid. EPA changed the ratings in 2015, 2016, 2017, 2018, 2019 and 2020. The best combined rating in the generation, 28 MPG, was reached in 2014.

2014-2020 Chevrolet Impala by model year

2014-2020 Chevrolet Impala: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2020 Gas 22 MPG $2,980–$3,020 Ratings changed
2019 Gas 22–25 MPG $2,660–$3,000 Ratings changed
2018 Gas 22–25 MPG $2,650–$3,000 Ratings changed
2017 Gas 22–25 MPG $2,650–$3,000 Ratings changed
2016 Gas, Natural gas 21–25 MPG, 20 MPGe $2,610–$3,040 Ratings changed
2015 Gas, Natural gas 21–25 MPG, 20 MPGe $2,610–$3,080 Ratings changed
2014 Gas, Hybrid 21–28 MPG $2,310–$3,070 First year

What the 2020 Impala 3.6L 6-cyl FWD costs to drive

Per month

$248

$2,980 a year ÷ 12

Per 25 miles

$4.97

Per 100 miles

$19.87

Five years

$14,900

5 × the yearly cost, prices held at today's level

vs the large car median

$340less a year

Class median $3,320 a year, MY2020

Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).

2020 Chevrolet Impala MPG

Versus 2019: The most efficient configuration moves from 25 to 22 MPG, down 3. Its annual cost goes from $2,660 to $2,980, $320 more.

Gas · 3.6L
Combined
22 MPG
Per year
$2,980–$3,020

Gas configurations (2)

2020 Chevrolet Impala gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Impala 3.6L 6-cyl FWD Automatic (S6) (Most efficient) 3.6L 6-cyl FWD 19 28 22 $2,980
Impala 3.6L 6-cyl FWD Automatic (S6) 3.6L 6-cyl FWD 18 28 22 $3,020

Flex-fuel (E85) configurations are costed on gasoline, not E85.

2019 Chevrolet Impala MPG

22–25 MPG · $2,660–$3,000/yr

Versus 2018: The most efficient configuration stays at 25 MPG. Its annual cost goes from $2,650 to $2,660, $10 more.

Gas · 2.5L, 3.6L
Combined
22–25 MPG
Per year
$2,660–$3,000

Gas configurations (3)

2019 Chevrolet Impala gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Impala 2.5L 4-cyl (Most efficient) 2.5L 4-cyl FWD 22 29 25 $2,660
Impala 3.6L 6-cyl FWD Automatic (S6) 3.6L 6-cyl FWD 19 28 22 $2,980
Impala 3.6L 6-cyl FWD Automatic (S6) 3.6L 6-cyl FWD 18 28 22 $3,000

Flex-fuel (E85) configurations are costed on gasoline, not E85.

2018 Chevrolet Impala MPG

22–25 MPG · $2,650–$3,000/yr

Versus 2017: The most efficient configuration stays at 25 MPG. Its annual cost stays at $2,650.

Gas · 2.5L, 3.6L
Combined
22–25 MPG
Per year
$2,650–$3,000

Gas configurations (3)

2018 Chevrolet Impala gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Impala 2.5L 4-cyl (Most efficient) 2.5L 4-cyl FWD 22 30 25 $2,650
Impala 3.6L 6-cyl FWD Automatic (S6) 3.6L 6-cyl FWD 19 28 22 $2,920
Impala 3.6L 6-cyl FWD Automatic (S6) 3.6L 6-cyl FWD 18 28 22 $3,000

Flex-fuel (E85) configurations are costed on gasoline, not E85.

2017 Chevrolet Impala MPG

22–25 MPG · $2,650–$3,000/yr

Versus 2016: The most efficient configuration stays at 25 MPG. Its annual cost goes from $2,610 to $2,650, $40 more.

Gas · 2.5L, 3.6L
Combined
22–25 MPG
Per year
$2,650–$3,000

Gas configurations (3)

2017 Chevrolet Impala gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Impala 2.5L 4-cyl (Most efficient) 2.5L 4-cyl FWD 22 30 25 $2,650
Impala 3.6L 6-cyl FWD Automatic (S6) 3.6L 6-cyl FWD 19 28 22 $2,950
Impala 3.6L 6-cyl FWD Automatic (S6) 3.6L 6-cyl FWD 18 28 22 $3,000

Flex-fuel (E85) configurations are costed on gasoline, not E85.

2016 Chevrolet Impala MPG

21–25 MPG, 20 MPGe · $2,610–$3,040/yr

Versus 2015: The most efficient configuration stays at 25 MPG. Its annual cost stays at $2,610.

Gas · 2.5L, 3.6L
Combined
21–25 MPG
Per year
$2,610–$3,040
See gas configurations
Natural gas · 3.6L
Combined
20 MPGe
Fuel cost
—

No fuel cost is shown for this fuel.

See natural gas configurations

Gas configurations (4)

2016 Chevrolet Impala gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Impala 2.5L 4-cyl (Most efficient) 2.5L 4-cyl FWD 22 31 25 $2,610
Impala 3.6L 6-cyl FWD Automatic (S6) 3.6L 6-cyl FWD 19 28 22 $2,950
Limited 3.6L 6-cyl FWD 18 29 22 $3,020
Impala 3.6L 6-cyl FWD Automatic (S6) 3.6L 6-cyl FWD 18 28 21 $3,040

Flex-fuel (E85) configurations are costed on gasoline, not E85.

Natural gas configurations (1)

2016 Chevrolet Impala natural gas configurations: EPA ratings and annual cost
TrimDriveCityHwyComb. MPGeRange
Bi-Fuel (CNG) (Most efficient) FWD 17 25 20 —

No fuel cost is shown: there is no comparable official retail price series for natural gas.

2015 Chevrolet Impala MPG

21–25 MPG, 20 MPGe · $2,610–$3,080/yr

Versus 2014: The most efficient configuration moves from 28 to 25 MPG, down 3. Its annual cost goes from $2,310 to $2,610, $300 more.

Gas · 2.5L, 3.6L
Combined
21–25 MPG
Per year
$2,610–$3,080
See gas configurations
Natural gas · 3.6L
Combined
20 MPGe
Fuel cost
—

No fuel cost is shown for this fuel.

See natural gas configurations

Gas configurations (4)

2015 Chevrolet Impala gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Impala 2.5L 4-cyl (Most efficient) 2.5L 4-cyl FWD 22 31 25 $2,610
Impala 3.6L 6-cyl FWD Automatic (S6) 3.6L 6-cyl FWD 19 28 22 $2,950
Limited 3.6L 6-cyl FWD 18 29 22 $3,020
Impala 3.6L 6-cyl FWD Automatic (S6) 3.6L 6-cyl FWD 18 28 21 $3,080

Flex-fuel (E85) configurations are costed on gasoline, not E85.

Natural gas configurations (1)

2015 Chevrolet Impala natural gas configurations: EPA ratings and annual cost
TrimDriveCityHwyComb. MPGeRange
Bi-Fuel (CNG) (Most efficient) FWD 17 25 20 —

No fuel cost is shown: there is no comparable official retail price series for natural gas.

2014 Chevrolet Impala MPG

21–28 MPG · $2,310–$3,070/yr
Gas · 2.5L, 3.6L
Combined
21–24 MPG
Per year
$2,690–$3,070
See gas configurations
Hybrid · 2.4L
Combined
28 MPG
Per year
$2,310
See hybrid configurations

Gas configurations (4)

2014 Chevrolet Impala gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Impala 2.5L 4-cyl (Most efficient) 2.5L 4-cyl FWD 21 31 24 $2,690
Impala 3.6L 6-cyl FWD Automatic (S6) 3.6L 6-cyl FWD 19 28 22 $2,950
Limited 3.6L 6-cyl FWD 18 29 22 $3,020
Impala 3.6L 6-cyl FWD Automatic (S6) 3.6L 6-cyl FWD 18 28 21 $3,070

Flex-fuel (E85) configurations are costed on gasoline, not E85.

Hybrid configurations (1)

2014 Chevrolet Impala hybrid configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
eAssist (Most efficient) 2.4L 4-cyl FWD 24 35 28 $2,310

Fuel cost by state

Yearly cost of the Impala 3.6L 6-cyl FWD: $4,050 in California and $2,600 in Texas, a $1,450 difference.

Gasoline prices: California: California state average; Washington: Washington state average; New York: New York state average; Florida: Florida state average; Texas: Texas state average (Sep 2026).
Fuel cost in every state

Similar cars

Closest combined MPG among MY2020 large car models.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · Prices: EIA regular gasoline, U.S. average, Sep 2026 ($4.36/gal) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Generations

Frequently asked questions

What gas mileage does the 2014-2020 Chevrolet Impala get?

EPA rates the 2014-2020 Chevrolet Impala at 21–28 MPG combined across 26 configurations and 7 model years. The most efficient version, the 2014 eAssist 2.4L 4-cyl FWD, is rated 28 MPG (24 city, 35 highway). By powertrain: Gas: 21–25 MPG; Natural gas: 20 MPGe; Hybrid: 28 MPG.

Which years had the best MPG in the 2014-2020 Chevrolet Impala?

The eAssist 2.4L 4-cyl FWD reached the generation's best combined rating, 28 MPG, in 2014. The lowest top rating, 22 MPG, was in 2020.

Did EPA ratings change during the 2014-2020 Chevrolet Impala?

Yes. Ratings changed in 2015, 2016, 2017, 2018, 2019 and 2020.

How does the 2014-2020 Chevrolet Impala compare with the previous generation?

The previous generation (2006-2013 Chevrolet Impala) is rated 19–23 MPG combined and costs $2,840–$4,230 a year to fuel; the 2014-2020 model is rated 21–28 MPG and costs $2,310–$3,080 a year.

How much does it cost to fuel a 2020 Chevrolet Impala per year?

Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the Impala 3.6L 6-cyl FWD costs about $2,980 a year. Across all 2 configurations the cost runs $2,980–$3,020 a year. That is a $40 difference between the cheapest and the costliest configuration.

How much does it cost to drive a 2020 Chevrolet Impala 100 miles?

About $19.87 per 100 miles for the Impala 3.6L 6-cyl FWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $19.87 and $20.13 across all configurations. That is the annual cost over 15,000 miles divided by 150.

Is the 2020 Chevrolet Impala more efficient in the city or on the highway?

The Impala 3.6L 6-cyl FWD is rated 19 city and 28 highway MPG, so it is more efficient on the highway, by 9 MPG.

How does the 2020 Chevrolet Impala compare with other large car configurations?

The Impala 3.6L 6-cyl FWD costs about $2,980 a year to fuel, $340 less than the class median of $3,320, and less than 6 of 10 large car configurations. The comparison covers all 115 rated large car configurations for MY2020, not weighted by sales.

Is the 2020 Chevrolet Impala different from the 2019 model?

The most efficient configuration moves from 25 to 22 MPG, down 3. Its annual cost goes from $2,660 to $2,980, $320 more. EPA lists 2 configurations for 2020 against 3 configurations for 2019. See the 2019 Chevrolet Impala for that year.