Mercedes-Benz E-Class vs Porsche Taycan
The Porsche Taycan is the more efficient of the two: it reaches 93 mpg combined versus 28 mpg for the Mercedes-Benz E-Class, a 65 mpg advantage and costs about $1,900 less per year to fuel.
Across 4 measured categories, the Porsche Taycan leads in 4. Figures are EPA test data, not manufacturer claims.
2015–2027
Mercedes-Benz E-Class
Midsize Cars · 136 configurations
2020–2026
Porsche Taycan
Compact Cars · 84 configurations
Head-to-head specifications
| Metric | Mercedes-Benz E-Class | Porsche Taycan |
|---|---|---|
| Best combined MPG | 28 mpg | 93 mpg ✓ |
| Best city MPG | 25 mpg | 94 mpg ✓ |
| Best highway MPG | 33 mpg | 92 mpg ✓ |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $2,700 | $800 ✓ |
| Lowest CO2 output | 115 g/mi | Not available |
| Engines offered | SIDI; Mild Hybrid, SIDI; PHEV, SIDI, SIDI; FFV | Not available |
| Transmissions | Automatic 9-spd, Automatic 7-spd | Automatic (A2) |
| 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 | Electricity |
| EPA class | Midsize Cars | Compact Cars |
| Years covered | 2015–2027 | 2020–2026 |
| Configurations on record | 136 | 84 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
E-Class vs Taycan: common questions
Which is better on gas, the Mercedes-Benz E-Class or the Porsche Taycan?
The Porsche Taycan is the more efficient of the two: it reaches 93 mpg combined versus 28 mpg for the Mercedes-Benz E-Class, a 65 mpg advantage and costs about $1,900 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Porsche Taycan runs about $800 a year in fuel at its most efficient configuration, versus about $2,700 for the Mercedes-Benz E-Class — a difference of roughly $1,900 per year.
What engines do the E-Class and Taycan offer?
Mercedes-Benz E-Class: SIDI; Mild Hybrid, SIDI; PHEV, SIDI, SIDI; FFV. Porsche Taycan: no engine data on record.
Are they in the same vehicle class?
The EPA classifies the Mercedes-Benz E-Class as Midsize Cars and the Porsche Taycan as Compact Cars, so they aren't a like-for-like match on size.
More E-Class comparisons
Comparison id: mercedes-benz-e-class-vs-porsche-taycan