2025 Porsche 911 Turbo S vs Mercedes-Benz Amg Sl55 4matic Plus — Side by Side Comparison
How does the 2025 Porsche 911 Turbo S compare to the Mercedes-Benz Amg Sl55 4matic Plus? We put them side by side using EPA fuel economy data and NHTSA safety ratings.
Specifications Comparison
| Feature | Porsche 911 Turbo S | Mercedes-Benz Amg Sl55 4matic Plus |
|---|---|---|
| Combined MPG | 16 | 16 |
| City MPG | 14 | 13 |
| Highway MPG | 20 | 21 |
| Body Style | Compact Sedan | Compact Sedan |
| Drive | AWD | AWD |
| Fuel Type | Premium | Premium |
| Safety Rating | N/A / 5 | N/A / 5 |
| Recalls | 0 | 0 |
| Trims Available | 1 | 1 |
Fuel Economy
The Mercedes-Benz Amg Sl55 4matic Plus is more fuel efficient by 0 MPG combined. Over a year, the Mercedes-Benz Amg Sl55 4matic Plus saves approximately $0 in fuel costs.