Tank Ledger

BMW i3s MPG by year — every rating on record

The BMW i3s has a combined EPA fuel economy rating for 3 model years, from 2019 to 2021. Across those years its best rated version returned 113 mpg (2019) and its thirstiest returned 31 mpg (2019). The EPA record holds 6 configurations for this nameplate, most recently a Subcompact Cars.

In the EPA record this nameplate also appears as i3s and i3. The figures below cover every one of them.

113best combined mpg (2019)
31worst combined mpg (2019)
113latest year best (2021)
6configurations on record

Year-by-year EPA ratings

Model yearConfigurationsBest combinedWorst combinedClass rank that yearDrivetrainsFuelEPA class
20192113 mpg31 mpg#1 of 85 (100th pct)Rear-Wheel DriveElectricity, Premium Gas or ElectricitySubcompact Cars
20202113 mpg31 mpg#1 of 87 (100th pct)Rear-Wheel DriveElectricity, Premium Gas or ElectricitySubcompact Cars
20212113 mpg31 mpg#1 of 79 (100th pct)Rear-Wheel DrivePremium Gas or Electricity, ElectricitySubcompact Cars

Where it has stood in its class

Ranked against every other nameplate the EPA filed under the same class that year. The BMW i3s placed highest in 2019 at #1 of 85, and lowest in 2019 at #1 of 85. It spent 3 of its 3 ranked years in the top half of its class.

Every configuration on record

All 6 configurations EPA lists for this nameplate, newest first.

YearConfigurationEngine detailCityHighwayCombinedGallons/yrBarrels/yrEPA fuel cost/yrRangeCO2 g/miGHG
20210.6L 2-cyl Rear-Wheel Drive Automatic (A1) Premium Gas or ElectricityPHEV, Plug-in Hybrid, start-stop303131371.00.9$2,500200 mi2210/10
2021Rear-Wheel Drive Automatic (A1) ElectricityEV124102113101.80.1$650153 min/a10/10
20200.6L 2-cyl Rear-Wheel Drive Automatic (A1) Premium Gas or ElectricityPHEV, Plug-in Hybrid, start-stop303131371.00.9$2,500200 mi2210/10
2020Rear-Wheel Drive Automatic (A1) ElectricityEV124102113101.80.1$650153 min/a10/10
20190.6L 2-cyl Rear-Wheel Drive Automatic (A1) Premium Gas or ElectricityPHEV, Plug-in Hybrid, start-stop303131371.00.9$2,500200 mi2210/10
2019Rear-Wheel Drive Automatic (A1) ElectricityEV124102113101.80.1$650153 min/a10/10

What i3s fuel costs over a year

At the EPA's 11,500 miles a year, the 2021 BMW i3s burns 102 to 371 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.

Pump priceMost efficientThirstiestSpread
$3.00/gal$305$1,113$808
$3.50/gal$356$1,298$942
$4.00/gal$407$1,484$1,077

EPA’s own estimate for the 2021 model year is $650 to $2,500 a year in fuel, or $7,000 less than the average new vehicle over five years.

How it compares with other Subcompact Cars

Across the 461 nameplates EPA classifies as Subcompact Cars, the median best combined rating is 24 mpg. At 113 mpg the BMW i3s is 89 mpg better the median, which is worth about $1,321 a year at $3.50 a gallon.

Other BMW nameplates

Every BMW model compared → — all nameplates ranked by best combined rating, with what each one costs a year.