Midsize cars · Plug-in hybrid · model year 2026
BMW M Plug-in hybrid vs Mercedes-Benz E-Class Plug-in hybrid
The Mercedes-Benz E-Class Plug-in hybrid is rated 10 MPG higher than the BMW M Plug-in hybrid in model year 2026, 24 against 14 combined, which is 71% more distance from the same energy.
Side by side
| Measure | BMW M Plug-in hybrid | Mercedes-Benz E-Class Plug-in hybrid |
|---|---|---|
| Combined fuel economy (best version) | 14 MPG | 24 MPG |
| City | 12 MPG | 22 MPG |
| Highway | 19 MPG | 27 MPG |
| Annual fuel cost | $5,850 | $3,400 |
| Tailpipe CO2 | 264 g/mile | 115 g/mile |
| Lowest rated version | 13 MPG | 22 MPG |
| Rated versions | 2 | 2 |
| All-electric range | 29 mi | 44 mi |
| Rank in class (best combined rating) | 31st of 31 | 24th of 31 |
| Class | Midsize cars | Midsize cars |
| Powertrain | Plug-in hybrid | Plug-in hybrid |
Better figure in bold; each model's most efficient version.
Fuel economy and cost
Fuel bills differ by $2,450 a year. The Mercedes-Benz E-Class Plug-in hybrid comes to $3,400 and the BMW M Plug-in hybrid to $5,850, both at 15,000 miles a year.
Where each one ranks
Within their class the BMW M Plug-in hybrid is 31st of 31 midsize cars, in the bottom quarter. The Mercedes-Benz E-Class Plug-in hybrid is 24th of 31 midsize cars, in the bottom quarter.
The BMW M Plug-in hybrid has 2 rated versions, from 13 to 14 MPG. The Mercedes-Benz E-Class Plug-in hybrid has 2, from 22 to 24 MPG. For the most efficient versions, the BMW M Plug-in hybrid is rated 7 higher on the highway (19 against 12), while the Mercedes-Benz E-Class Plug-in hybrid is rated 5 higher on the highway (27 against 22).
The two versions closest in rating are M5 Sedan: 4.4 L, 8 cyl hybrid, Automatic (S8), AWD at 14 MPG and AMG E53 Hybrid 4matic Plus (station wagon): 3.0 L, 6 cyl hybrid, Automatic 9-spd, AWD at 22, 8 MPG apart.
Ratings by model year
Both models are in the data for 2 model years, 2025 to 2026. The BMW M Plug-in hybrid has the higher best rating in 0 of them and the Mercedes-Benz E-Class Plug-in hybrid in 2. The widest gap, 10 MPG, was in 2026, when the Mercedes-Benz E-Class Plug-in hybrid led.
| Model year | BMW M Plug-in hybrid | Mercedes-Benz E-Class Plug-in hybrid | Gap |
|---|---|---|---|
| 2026 | 14 | 24 | -10 |
| 2025 | 14 | 23 | -9 |