2021 BMW i3 Specs: MPG, Gas Mileage, Engine Size & Dimensions
2021 BMW i3 Specs at a Glance
The 2021 BMW i3 gets 113 mpg combined on the Rear-Wheel Drive configuration, is EPA-rated for 200 miles of range. Figures are per configuration, not a single official number — other trims rate as low as 31 mpg combined. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.
- Combined MPG
- 113 mpg (124 city / 102 hwy)
- Best configuration: Rear-Wheel Drive · Automatic (A1) · other 2021 trims rate 31–113 mpg combined
- EPA range
- 200 miles
2021 BMW i3 trims and MPG
| Trim | Engine | Trans | Drive | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Auto (A1) | — | Automatic (A1) | Rear-Wheel Drive | 124 | 102 | 113 |
| Auto (A1), 2 cyl, 0.6 L | 2 · 0.6L | Automatic (A1) | Rear-Wheel Drive | 30 | 31 | 31 |
Detailed Specifications
MPG & Fuel Economy
MPG for every year and trim
View details →Engine Specifications
Engine Specs for every year and trim
View details →Annual Fuel Cost
Fuel Cost for every year and trim
View details →Transmission Specifications
Transmission for every year and trim
View details →Drivetrain & Drive Type
Drivetrain for every year and trim
View details →Vehicle Class & EPA Size Category
Vehicle Class for every year and trim
View details →Maintenance Schedule & Service Intervals
Maintenance for every year and trim
View details →Electric Range & Charging Time
EV Range for every year and trim
View details →BMW i3 — All Years Overview
| Year | Trim | Engine | Trans | Drive | City | Hwy | Combined | Fuel |
|---|---|---|---|---|---|---|---|---|
| 2021 | Auto (A1) | — | Automatic (A1) | Rear-Wheel Drive | 124 | 102 | 113 | Electricity |
| 2021 | Auto (A1), 2 cyl, 0.6 L | 2 · 0.6L | Automatic (A1) | Rear-Wheel Drive | 30 | 31 | 31 | Premium Gasoline |
| 2020 | Auto (A1) | — | Automatic (A1) | Rear-Wheel Drive | 124 | 102 | 113 | Electricity |
| 2020 | Auto (A1), 2 cyl, 0.6 L | 2 · 0.6L | Automatic (A1) | Rear-Wheel Drive | 30 | 31 | 31 | Premium Gasoline |
| 2019 | Auto (A1) | — | Automatic (A1) | Rear-Wheel Drive | 124 | 102 | 113 | Electricity |
| 2019 | Auto (A1), 2 cyl, 0.6 L | 2 · 0.6L | Automatic (A1) | Rear-Wheel Drive | 30 | 31 | 31 | Premium Gasoline |
| 2018 | Auto (A1) | — | Automatic (A1) | Rear-Wheel Drive | 129 | 106 | 118 | Electricity |
| 2018 | Auto (A1) | — | Automatic (A1) | Rear-Wheel Drive | 126 | 99 | 112 | Electricity |
| 2018 | Auto (A1), 2 cyl, 0.6 L | 2 · 0.6L | Automatic (A1) | Rear-Wheel Drive | 36 | 33 | 35 | Premium Gasoline |
| 2017 | Auto (A1) | — | Automatic (A1) | Rear-Wheel Drive | 129 | 106 | 118 | Electricity |
| 2017 | Auto (A1) | — | Automatic (A1) | Rear-Wheel Drive | 137 | 111 | 124 | Electricity |
| 2017 | Auto (A1), 2 cyl, 0.6 L | 2 · 0.6L | Automatic (A1) | Rear-Wheel Drive | 36 | 33 | 35 | Premium Gasoline |
| 2016 | Auto (A1) | — | Automatic (A1) | Rear-Wheel Drive | 137 | 111 | 124 | Electricity |
| 2016 | Auto (A1), 2 cyl, 0.6 L | 2 · 0.6L | Automatic (A1) | Rear-Wheel Drive | 41 | 37 | 39 | Premium Gasoline |
| 2015 | Auto (A1) | — | Automatic (A1) | Rear-Wheel Drive | 137 | 111 | 124 | Electricity |
| 2015 | Auto (A1), 2 cyl, 0.6 L | 2 · 0.6L | Automatic (A1) | Rear-Wheel Drive | 41 | 37 | 39 | Premium Gasoline |
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All BMW i3 specifications
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View all BMW models →BMW i3 — Frequently Asked Questions
What is the fuel economy of the 2021 BMW i3?
The BMW i3 is EPA-rated at up to 124 MPGe combined (137 city / 111 highway), a historical peak recorded on the 2017 model year.
What engine does the 2021 BMW i3 have?
The BMW i3 is fully electric — it uses an electric motor with a single-speed transmission instead of a combustion engine.
How far can the 2021 BMW i3 go on a full charge?
The BMW i3 has an EPA-rated electric driving range of up to 153 miles.
What years of the BMW i3 are covered here?
This page documents 16 verified BMW i3 configurations across model years 2015–2021.
Which model year of the BMW i3 is the most fuel efficient?
The 2017 BMW i3 holds the highest combined rating at 124 MPG; the 2019 sits lowest at 113 MPG, a difference of 11 MPG (about 10%) across the 7 rated years on file.
How many engine options does the BMW i3 have?
Across every year on record the BMW i3 uses one displacement, 0.6L, so trims differ by drivetrain and equipment rather than engine size.
Is the 2021 BMW i3 front-wheel drive or all-wheel drive?
Every BMW i3 configuration on record here is Rear-Wheel Drive; no alternative drivetrain appears in the 2015–2021 data.