2022 head-to-head · Subcompact Car
2022 BMW i4 vs Mercedes-Benz A-Class
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2022 BMW i4 is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, it costs about $834 a year to fuel (109 MPGe), versus $2,116 for the 2022 Mercedes-Benz A-Class (28 MPG). That's roughly $1,282 a year, or about $6,409 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- BMW i4
- Mercedes-Benz A-Class
Side by side
| BMW i4 | Mercedes-Benz A-Class | |
|---|---|---|
| $834 | Your annual fuel cost | $2,116 |
| 109 MPGe | Combined efficiency | 28 MPG |
| 109 MPGe | City | 25 MPG |
| 108 MPGe | Highway | 35 MPG |
| 30.9 kWh | Electricity use (kWh/100 mi) | — |
| 301 mi | Driving range | — |
| 90 cu ft | Passenger volume | 91 cu ft |
| 10 cu ft | Cargo volume | 9 cu ft |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 312 g/mi |
| 10/10 | EPA fuel economy score | 6/10 |
| 10/10 | EPA greenhouse gas score | 6/10 |
| 10 hrs | Charge time at 240V | — |
| Electric | Powertrain | Gas |
| Electricity | Fuel | Premium gasoline |
| Electric motor (250 kW) | Engine / motor | 2.0L 4-cyl turbo |
| Single-speed | Transmission | 7-speed dual-clutch |
| RWD | Drivetrain | AWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
BMW i4 vs Mercedes-Benz A-Class across model years
- BMW i4
- Mercedes-Benz A-Class
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Per EPA interior volume figures, the BMW i4 has more cargo space (10 vs. 9 cu ft).
Among 34 2022 subcompact cars, the BMW i4 ranks 2nd and the Mercedes-Benz A-Class 13th for lowest fuel cost.
Because the BMW i4 is fully electric, it has no tailpipe emissions and its running cost depends almost entirely on your electricity rate. Cheap overnight home charging widens its advantage over the Mercedes-Benz A-Class; relying on DC fast chargers can erase it.
Frequently asked questions
Which is more fuel-efficient, the 2022 BMW i4 or the 2022 Mercedes-Benz A-Class?
Measured by cost to drive, the BMW i4. The BMW i4 is rated 109 MPGe combined and the Mercedes-Benz A-Class 28 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2022 BMW i4 vs. the Mercedes-Benz A-Class per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $834 for the BMW i4 and $2,116 for the Mercedes-Benz A-Class.
Which has more cargo space?
The BMW i4, with 10 cu ft of luggage volume versus 9 cu ft (EPA interior volume index).
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