Mercedes-Benz E-Class vs BMW 8 Series
The Mercedes-Benz E-Class is the more efficient of the two: it reaches 28 mpg combined versus 25 mpg for the BMW 8 Series, a 3 mpg advantage and costs about $350 less per year to fuel.
Across 5 measured categories, the Mercedes-Benz E-Class leads in 5. Figures are EPA test data, not manufacturer claims.
2015–2027
Mercedes-Benz E-Class
Midsize Cars · 136 configurations
Head-to-head specifications
| Metric | Mercedes-Benz E-Class | BMW 8 Series |
|---|---|---|
| Best combined MPG | 28 mpg ✓ | 25 mpg |
| Best city MPG | 25 mpg ✓ | 23 mpg |
| Best highway MPG | 33 mpg ✓ | 30 mpg |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $2,700 ✓ | $3,050 |
| Lowest CO2 output | 115 g/mi ✓ | 347 g/mi |
| Engines offered | SIDI; Mild Hybrid, SIDI; PHEV, SIDI, SIDI; FFV | SIDI |
| Transmissions | Automatic 9-spd, Automatic 7-spd | Automatic (S8) |
| Drivetrains | All-Wheel Drive, Rear-Wheel Drive, 4-Wheel Drive | All-Wheel Drive, Rear-Wheel Drive |
| Fuel types | Premium, Premium and Electricity, Premium or E85 | Premium |
| EPA class | Midsize Cars | Subcompact Cars |
| Years covered | 2015–2027 | 2019–2026 |
| Configurations on record | 136 | 64 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
E-Class vs 8 Series: common questions
Which is better on gas, the Mercedes-Benz E-Class or the BMW 8 Series?
The Mercedes-Benz E-Class is the more efficient of the two: it reaches 28 mpg combined versus 25 mpg for the BMW 8 Series, a 3 mpg advantage and costs about $350 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Mercedes-Benz E-Class runs about $2,700 a year in fuel at its most efficient configuration, versus about $3,050 for the BMW 8 Series — a difference of roughly $350 per year.
What engines do the E-Class and 8 Series offer?
Mercedes-Benz E-Class: SIDI; Mild Hybrid, SIDI; PHEV, SIDI, SIDI; FFV. BMW 8 Series: SIDI.
Are they in the same vehicle class?
The EPA classifies the Mercedes-Benz E-Class as Midsize Cars and the BMW 8 Series as Subcompact Cars, so they aren't a like-for-like match on size.
More E-Class comparisons
Comparison id: mercedes-benz-e-class-vs-bmw-8-series