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BMW i8 2014 LA Auto Show (I12)
Shown: BMW i8 2014 LA Auto Show (I12). Photo: Al Pavangkanan, CC BY 2.0, via Wikimedia Commons
  • Newest year: 2020
  • Plug-in hybrid
  • Small cars
  • Same as 2019

2014-2020 BMW i8 MPG & Fuel Cost

6 model years · 27–28 MPG combined

69 MPGe
Combined
68 MPGe
City
70 MPGe
Highway
Annual fuel and power cost · Coupe 1.5L 3-cyl turbo AWD
$2,280

15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026) + residential electricity 18.3¢/kWh (U.S. average, Jul 2026)

Cheaper to fuel than 8 of 10 small car configurations, MY2020. Ranked against all rated configurations, not sales-weighted.

2014-2020 BMW i8 at a glance

The 2014-2020 BMW i8 covers 6 model years in the EPA database (8 configurations in all), rated 27–28 MPG combined. The newest model year, 2020, costs about $2,280 a year to fuel for its most efficient version, the Coupe 1.5L 3-cyl turbo AWD (27 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2016, 2017 and 2019; 2015 and 2020 repeat the values of the year before. The best combined rating in the generation, 28 MPG, was reached in 2014, 2015, 2016 and 2017.

2014-2020 BMW i8 by model year

2014-2020 BMW i8: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2020 Plug-in hybrid 27 MPG $2,280 Same EPA ratings as 2019
2019 Plug-in hybrid 27 MPG $2,280 Ratings changed
2017 Plug-in hybrid 28 MPG $2,240 Ratings changed
2016 Plug-in hybrid 28 MPG $2,240 Ratings changed
2015 Plug-in hybrid 28 MPG $2,240 Same EPA ratings as 2014
2014 Plug-in hybrid 28 MPG $2,240 First year

What the 2020 Coupe 1.5L 3-cyl turbo AWD costs to drive

Per month

$190

$2,280 a year ÷ 12

Per 25 miles

$3.80

Per 100 miles

$15.20

Five years

$11,400

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

vs the small car median

$950less a year

Class median $3,230 a year, MY2020

Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).

2020 BMW i8 MPG

EPA lists the same ratings for the 2020 BMW i8 as for the 2019 model, so the configurations and costs are the ones in the 2019 section above.See 2019

Plug-in hybrid · 1.5L
Gas-only combined
27 MPG
Per year
$2,280

On electricity 69 MPGe, with 18 miles of electric range.

Plug-in hybrid configurations (2)

2020 BMW i8 plug-in hybrid configurations: EPA ratings and annual cost
TrimDriveGas MPGElectric MPGeElectric range$/yr
Coupe (Most efficient) AWD 27 69 18 mi $2,280
Roadster AWD 27 69 18 mi $2,280

Cost assumes EPA's utility factor: 42% of miles are driven on electricity (residential electricity 18.3¢/kWh (U.S. average, Jul 2026)) and the rest on gasoline (premium gasoline $5.36/gal (U.S. average, Sep 2026)).

2019 BMW i8 MPG

27 MPG · $2,280/yr
Plug-in hybrid · 1.5L
Gas-only combined
27 MPG
Per year
$2,280

On electricity 69 MPGe, with 18 miles of electric range.

Plug-in hybrid configurations (2)

2019 BMW i8 plug-in hybrid configurations: EPA ratings and annual cost
TrimDriveGas MPGElectric MPGeElectric range$/yr
Coupe (Most efficient) AWD 27 69 18 mi $2,280
Roadster AWD 27 69 18 mi $2,280

Cost assumes EPA's utility factor: 42% of miles are driven on electricity (residential electricity 18.3¢/kWh (U.S. average, Jul 2026)) and the rest on gasoline (premium gasoline $5.36/gal (U.S. average, Sep 2026)).

2017 BMW i8 MPG

28 MPG · $2,240/yr

Versus 2016: The most efficient configuration stays at 28 MPG. Its annual cost stays at $2,240.

Plug-in hybrid · 1.5L
Gas-only combined
28 MPG
Per year
$2,240

On electricity 76 MPGe, with 15 miles of electric range.

Plug-in hybrid configurations (1)

2017 BMW i8 plug-in hybrid configurations: EPA ratings and annual cost
TrimDriveGas MPGElectric MPGeElectric range$/yr
i8 (Most efficient) AWD 28 76 15 mi $2,240

Cost assumes EPA's utility factor: 37% of miles are driven on electricity (residential electricity 18.3¢/kWh (U.S. average, Jul 2026)) and the rest on gasoline (premium gasoline $5.36/gal (U.S. average, Sep 2026)).

2016 BMW i8 MPG

28 MPG · $2,240/yr

Versus 2015: The most efficient configuration stays at 28 MPG. Its annual cost stays at $2,240.

Plug-in hybrid · 1.5L
Gas-only combined
28 MPG
Per year
$2,240

On electricity 76 MPGe, with 15 miles of electric range.

Plug-in hybrid configurations (1)

2016 BMW i8 plug-in hybrid configurations: EPA ratings and annual cost
TrimDriveGas MPGElectric MPGeElectric range$/yr
i8 (Most efficient) AWD 28 76 15 mi $2,240

Cost assumes EPA's utility factor: 37% of miles are driven on electricity (residential electricity 18.3¢/kWh (U.S. average, Jul 2026)) and the rest on gasoline (premium gasoline $5.36/gal (U.S. average, Sep 2026)).

2015 BMW i8 MPG

Same EPA ratings as 2014

EPA lists the same ratings for the 2015 BMW i8 as for the 2014 model, so the configurations and costs are the ones in the 2014 section above.See 2014

2014 BMW i8 MPG

28 MPG · $2,240/yr
Plug-in hybrid · 1.5L
Gas-only combined
28 MPG
Per year
$2,240

On electricity 76 MPGe, with 15 miles of electric range.

Plug-in hybrid configurations (1)

2014 BMW i8 plug-in hybrid configurations: EPA ratings and annual cost
TrimDriveGas MPGElectric MPGeElectric range$/yr
i8 (Most efficient) AWD 28 76 15 mi $2,240

Cost assumes EPA's utility factor: 37% of miles are driven on electricity (residential electricity 18.3¢/kWh (U.S. average, Jul 2026)) and the rest on gasoline (premium gasoline $5.36/gal (U.S. average, Sep 2026)).

Fuel cost by state

Yearly cost of the Coupe 1.5L 3-cyl turbo AWD: $3,090 in California and $1,900 in Louisiana, a $1,190 difference.

Gasoline prices: California: California state average; New York: New York state average; Florida: Florida state average; Texas: Texas state average; Louisiana: Gulf Coast region (EIA PADD 3) (Sep 2026). Electricity: state residential averages (Jul 2026).
Fuel cost in every state

Similar cars

Closest combined MPG among MY2020 small car models.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · Prices: EIA regular gasoline, U.S. average, Sep 2026 ($4.36/gal) · EIA residential electricity, U.S. average, Jul 2026 (18.3¢/kWh) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Generations

  • 2014-2020 (I12)

Frequently asked questions

What gas mileage does the 2014-2020 BMW i8 get?

EPA rates the 2014-2020 BMW i8 at 27–28 MPG combined across 8 configurations and 6 model years. The most efficient version, the 2017 i8 1.5L 3-cyl turbo AWD, is rated 28 MPG (28 city, 29 highway).

Which years had the best MPG in the 2014-2020 BMW i8?

The i8 1.5L 3-cyl turbo AWD reached the generation's best combined rating, 28 MPG, in 2014, 2015, 2016 and 2017. The lowest top rating, 27 MPG, was in 2019 and 2020.

Did EPA ratings change during the 2014-2020 BMW i8?

Yes. Ratings changed in 2016, 2017 and 2019. In 2015 and 2020 the values repeat the year before.

How much does it cost to fuel a 2020 BMW i8 per year?

Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026) + residential electricity 18.3¢/kWh (U.S. average, Jul 2026), the Coupe 1.5L 3-cyl turbo AWD costs about $2,280 a year. Across all 2 configurations the cost runs $2,280 a year.

How much does it cost to drive a 2020 BMW i8 100 miles?

About $15.20 per 100 miles for the Coupe 1.5L 3-cyl turbo AWD at premium gasoline $5.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.

Is the 2020 BMW i8 more efficient in the city or on the highway?

The Coupe 1.5L 3-cyl turbo AWD is rated 26 city and 29 highway MPG, so it is more efficient on the highway, by 3 MPG.

How does the 2020 BMW i8 compare with other small car configurations?

The Coupe 1.5L 3-cyl turbo AWD costs about $2,280 a year to fuel, $950 less than the class median of $3,230, and less than 8 of 10 small car configurations. The comparison covers all 314 rated small car configurations for MY2020, not weighted by sales.

How far does the 2020 BMW i8 plug-in hybrid go on electricity?

EPA rates the electric range at 18 miles, with a total range of 320 miles when the gasoline engine helps. Once the battery is used, the car runs as a hybrid at 27 MPG. The Coupe 1.5L 3-cyl turbo AWD costs about $2,280 a year, assuming EPA's utility factor of 42% of miles on electricity, at premium gasoline $5.36/gal (U.S. average, Sep 2026) + residential electricity 18.3¢/kWh (U.S. average, Jul 2026).

Is the 2020 BMW i8 different from the 2019 model?

No. EPA lists the same ratings for 2019 and 2020: 2 configurations rated 27 MPG combined. See the 2019 BMW i8 for that year.