2021 head-to-head · Subcompact Car
2021 BMW 4 Series Hybrid vs Mercedes-Benz C-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.
RWD · 3.0L 6-cyl turbo · 8-speed automatic · 26 MPG
The 2021 Mercedes-Benz C-Class is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,194 a year to fuel (27 MPG), versus $2,279 for the 2021 BMW 4 Series Hybrid (26 MPG). That's roughly $84 a year, or about $422 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 4 Series Hybrid
- Mercedes-Benz C-Class
Side by side
| BMW 4 Series Hybrid | Mercedes-Benz C-Class | |
|---|---|---|
| $2,279 | Your annual fuel cost | $2,194 |
| 26 MPG | Combined efficiency | 27 MPG |
| 23 MPG | City | 24 MPG |
| 31 MPG | Highway | 33 MPG |
| 84 cu ft | Passenger volume | 79 cu ft |
| 9 cu ft | Cargo volume | 10 cu ft |
| 338 g/mi | Tailpipe CO₂ (g/mi) | 330 g/mi |
| 5/10 | EPA fuel economy score | 6/10 |
| 5/10 | EPA greenhouse gas score | 6/10 |
| Hybrid | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 8-speed automatic | Transmission | 9-speed automatic |
| RWD | Drivetrain | RWD |
✓ 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 4 Series Hybrid vs Mercedes-Benz C-Class across model years
- BMW 4 Series Hybrid
- Mercedes-Benz C-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 4 Series Hybrid has more passenger space (84 vs. 79 cu ft); the Mercedes-Benz C-Class has more cargo space (10 vs. 9 cu ft).
Among 34 2021 subcompact cars, the BMW 4 Series Hybrid ranks 19th and the Mercedes-Benz C-Class 16th for lowest fuel cost.
The powertrains differ: the BMW 4 Series Hybrid is a full hybrid, while the Mercedes-Benz C-Class is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2021 BMW 4 Series Hybrid or the 2021 Mercedes-Benz C-Class?
Measured by cost to drive, the Mercedes-Benz C-Class. The BMW 4 Series Hybrid is rated 26 MPG combined and the Mercedes-Benz C-Class 27 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 BMW 4 Series Hybrid vs. the Mercedes-Benz C-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,279 for the BMW 4 Series Hybrid and $2,194 for the Mercedes-Benz C-Class.
Which has more cargo space?
The Mercedes-Benz C-Class, with 10 cu ft of luggage volume versus 9 cu ft (EPA interior volume index).
BMW 4 Series Hybrid vs Mercedes-Benz C-Class in other years
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