Porsche Taycan vs Mercedes-Benz C-Class
The Porsche Taycan is the more efficient of the two: it reaches 93 mpg combined versus 30 mpg for the Mercedes-Benz C-Class, a 63 mpg advantage and costs about $1,750 less per year to fuel.
Across 4 measured categories, the Porsche Taycan leads in 4. Figures are EPA test data, not manufacturer claims.
2020–2026
Porsche Taycan
Compact Cars · 84 configurations
2015–2027
Mercedes-Benz C-Class
Subcompact Cars · 123 configurations
Head-to-head specifications
| Metric | Porsche Taycan | Mercedes-Benz C-Class |
|---|---|---|
| Best combined MPG | 93 mpg ✓ | 30 mpg |
| Best city MPG | 94 mpg ✓ | 28 mpg |
| Best highway MPG | 92 mpg ✓ | 36 mpg |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $800 ✓ | $2,550 |
| Lowest CO2 output | Not available | 215 g/mi |
| Engines offered | Not available | SIDI; Mild Hybrid, SIDI & PFI, SIDI; PHEV, SIDI |
| Transmissions | Automatic (A2) | Automatic 9-spd, Automatic 7-spd |
| Drivetrains | All-Wheel Drive, Rear-Wheel Drive | All-Wheel Drive, Rear-Wheel Drive, 4-Wheel Drive |
| Fuel types | Electricity | Premium, Premium and Electricity |
| EPA class | Compact Cars | Subcompact Cars |
| Years covered | 2020–2026 | 2015–2027 |
| Configurations on record | 84 | 123 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
Taycan vs C-Class: common questions
Which is better on gas, the Porsche Taycan or the Mercedes-Benz C-Class?
The Porsche Taycan is the more efficient of the two: it reaches 93 mpg combined versus 30 mpg for the Mercedes-Benz C-Class, a 63 mpg advantage and costs about $1,750 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 $2,550 for the Mercedes-Benz C-Class — a difference of roughly $1,750 per year.
What engines do the Taycan and C-Class offer?
Porsche Taycan: no engine data on record. Mercedes-Benz C-Class: SIDI; Mild Hybrid, SIDI & PFI, SIDI; PHEV, SIDI.
Are they in the same vehicle class?
The EPA classifies the Porsche Taycan as Compact Cars and the Mercedes-Benz C-Class as Subcompact Cars, so they aren't a like-for-like match on size.
More Taycan comparisons
Comparison id: porsche-taycan-vs-mercedes-benz-c-class