Mercedes-Benz SL-Klasse (2016 – 2020) vs Porsche 911 GT3 RS (2016 – 2018): specs compared
The Porsche 911 GT3 RS is the more powerful of the two, with up to 500 hp against 455 hp. It is quicker, reaching 100 km/h in 3.3 s against 4.3 s. It has the higher top speed: 311 km/h against 249 km/h. The Mercedes-Benz SL-Klasse uses less fuel, from 7.7 L/100 km against 12.7 L/100 km. The Porsche 911 GT3 RS is the lighter car, from 1,420 kg against 1,735 kg. At 4,630 mm, the Mercedes-Benz SL-Klasse is 86 mm longer than the Porsche 911 GT3 RS.
| Specification |
Mercedes-Benz
SL-Klasse
2016 – 2020
|
Porsche
911 GT3 RS
2016 – 2018
|
|---|---|---|
| Overview | ||
| Origin | Germany | Germany |
| Documented years | 2016 – 2020 | 2016 – 2018 |
| Body style | — | — |
| Variants | 2 | 1 |
| Fuel | Petrol | Petrol |
| Drive | RWD | RWD |
| Gearbox | Automatic | Automatic |
| Performance | ||
| Power | 367 – 456 hp | 500 hp |
| Torque | 500 – 700 Nm | 460 Nm |
| 0–100 km/h | 4.3 – 4.9 s | 3.3 s |
| Top speed | 249 km/h | 311 km/h |
| Economy | ||
| Fuel economy | 7.7 – 9.0 L/100 km | 12.7 L/100 km |
| Dimensions | ||
| Length | 4,630 mm | 4,544 mm |
| Width | 1,877 mm | 1,880 mm |
| Height | 1,316 mm | 1,290 mm |
| Wheelbase | 2,586 mm | 2,456 mm |
| Curb weight | 1,735 – 1,795 kg | 1,420 kg |
Ranges cover all variants of each car. The highlight marks the best version per row.

