2021 head-to-head · Compact Car
2021 BMW M Hybrid vs Mercedes-Benz CLS-Class Hybrid
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.95/gal premium gas, the most efficient 2021 BMW M Hybrid (26 MPG) costs about $2,279 a year to fuel and the 2021 Mercedes-Benz CLS-Class Hybrid (26 MPG) about $2,279.
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 M Hybrid
- Mercedes-Benz CLS-Class Hybrid
Side by side
| BMW M Hybrid | Mercedes-Benz CLS-Class Hybrid | |
|---|---|---|
| $2,279 | Your annual fuel cost | $2,279 |
| 26 MPG | Combined efficiency | 26 MPG |
| 23 MPG | City | 23 MPG |
| 32 MPG | Highway | 30 MPG |
| 94 cu ft | Passenger volume | 93 cu ft |
| 13 cu ft | Cargo volume | 12 cu ft |
| 333 g/mi | Tailpipe CO₂ (g/mi) | 347 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Hybrid | Powertrain | Hybrid |
| Premium gasoline | Fuel | Premium gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 3.0L 6-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 M Hybrid vs Mercedes-Benz CLS-Class Hybrid across model years
- BMW M Hybrid
- Mercedes-Benz CLS-Class Hybrid
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 M Hybrid has more cargo space (13 vs. 12 cu ft).
Among 37 2021 compact cars, the BMW M Hybrid ranks 27th and the Mercedes-Benz CLS-Class Hybrid 28th for lowest fuel cost.
Frequently asked questions
How much does it cost to fuel the 2021 BMW M Hybrid vs. the Mercedes-Benz CLS-Class Hybrid per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,279 for the BMW M Hybrid and $2,279 for the Mercedes-Benz CLS-Class Hybrid.
Which has more cargo space?
The BMW M Hybrid, with 13 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).
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