MPG by Model

MakesBMWi3

BMW i3 MPG

Its best-rated version reaches 39 MPG combined in 2014–2016, the plug-in hybrid i3 REX. Its weakest year peaked at 31 MPG (2019–2021).

BMW i3: best and lowest EPA combined MPG of its versions, model years 2014–20212025303540MPG2014202139 MPG peaklowest peak 31BMW i3: best and lowest EPA combined MPG by model year2025303540MPG2014201620182021
lowest to best versionbest version is a hybridmedian of its class
483.9 gal

a year at 15,000 miles for the best 2021 version, the i3 with Range Extender. Put it next to its 2014 predecessor, at your own mileage.

Compare in gallons

The BMW i3 has EPA ratings for eight model years, 2014–2021, every one of them among subcompact cars. Its best version had the highest combined rating among subcompact cars in 2014–2018, and it placed in its class top five in eight model years. In 2018 it shared first place among 35 subcompact cars with the Toyota Yaris. In 2016 the i3's 27 kWh per 100 miles placed it first of the 13 electric nameplates EPA rated that year, and it was in their top five in 2014–2018.

Its first electric version arrived in 2014, when 9 of 181 cars offered one. Averaged over 2014–2018, its best version placed first of 34 among subcompact cars rated at least three years in that span, and it was in the top five in one other five-year span.

Among 27 subcompact cars, 2021

The i3 placed second (tied). The class leader was the Chevrolet Spark at 33 MPG.

Best EPA combined MPG of each of the 27 subcompact cars rated for 202115202530i3 31median 25SparkBest EPA combined MPG of each of the 27 subcompact cars rated for 202115202530i3 31median 25

Electric versions

Rated separately in kWh per 100 miles; its lowest was 27 kWh (2017 i3 BEV (60 Amp-hour battery)).

BMW i3: kWh per 100 miles of its most efficient electric version by model year253035kWh per 100 mi2014201520162017201820192020202127 kWh, its lowestBMW i3: kWh per 100 miles of its most efficient electric version by model year253035kWh20142015201620172018201920202021

Powertrains under the name

  • Electric

    Rated in 2014–2021.

  • Plug-in hybrid

    Rated in 2014–2021.

All 8 model years, best and lowest version
Model yearsBest versionCombinedCity / hwyLowest versionVersions
2019–2021i3 with Range Extender plug-in hybrid3130 / 31312
2018i3 (94Ah) with Range Extender plug-in hybrid3536 / 33352
2017i3 REX (94 Amp-hour battery) plug-in hybrid3536 / 33351
2014–2016i3 REX plug-in hybrid3941 / 37391

Version names in the EPA list: i3, i3 (94Ah), i3 (94Ah) with Range Extender, i3 BEV, i3 BEV (60 Amp-hour battery), i3 BEV (94 Amp-hour battery), i3 REX, i3 REX (94 Amp-hour battery), i3 with Range Extender, i3s, i3s (94Ah), i3s (94Ah) with Range Extender, i3s with Range Extender.

Same class, 2021

Chevrolet Spark33 MPGMINI Cooper31 MPGRoush Performance Mustang15 MPG

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