Porsche 911 GT3 (2022 – present) vs Mercedes-AMG SL-Class (2021 – present): specs compared
The Mercedes-AMG SL-Class is the more powerful of the two, with up to 585 hp against 525 hp. The Porsche 911 GT3 is quicker, reaching 100 km/h in 3.2 s against 3.6 s. The Mercedes-AMG SL-Class has the higher top speed: 315 km/h against 296 km/h. It uses less fuel, from 8.9 L/100 km against 13.4 L/100 km. The Porsche 911 GT3 is the lighter car, from 1,525 kg against 1,810 kg. At 4,704 mm, the Mercedes-AMG SL-Class is 132 mm longer than the Porsche 911 GT3.
| Specification |
Porsche
911 GT3
2022 – present
|
Mercedes-AMG
SL-Class
2021 – present
|
|---|---|---|
| Overview | ||
| Origin | Germany | Germany |
| Documented years | 2022 – present | 2021 – present |
| Body style | — | — |
| Variants | 1 | 3 |
| Fuel | Petrol | Hybrid, Petrol |
| Drive | RWD | RWD · AWD |
| Gearbox | Automatic | Automatic |
| Performance | ||
| Power | 525 hp | 381 – 585 hp |
| Torque | 465 Nm | 480 – 800 Nm |
| 0–100 km/h | 3.2 s | 3.6 – 4.9 s |
| Top speed | 296 km/h | 275 – 315 km/h |
| Economy | ||
| Fuel economy | 13.4 L/100 km | 8.9 – 12.7 L/100 km |
| Dimensions | ||
| Length | 4,572 mm | 4,704 mm |
| Width | 1,900 mm | 1,915 mm |
| Height | 1,321 mm | 1,354 mm |
| Wheelbase | 2,456 mm | 2,700 mm |
| Curb weight | 1,525 kg | 1,810 – 1,970 kg |
Ranges cover all variants of each car. The highlight marks the best version per row.

