Porsche 911 GT3 RS (2018 – 2019) vs Mercedes-AMG GT Roadster (2018 – 2021): specs compared
The Mercedes-AMG GT Roadster is the more powerful of the two, with up to 557 hp against 520 hp. The Porsche 911 GT3 RS is quicker, reaching 100 km/h in 3.2 s against 3.7 s. The Mercedes-AMG GT Roadster has the higher top speed: 317 km/h against 312 km/h. It uses less fuel, from 12.4 L/100 km against 12.8 L/100 km. The Porsche 911 GT3 RS is the lighter car, from 1,505 kg against 1,735 kg.
| Specification |
Porsche
911 GT3 RS
2018 – 2019
|
Mercedes-AMG
GT Roadster
2018 – 2021
|
|---|---|---|
| Overview | ||
| Origin | Germany | Germany |
| Documented years | 2018 – 2019 | 2018 – 2021 |
| Body style | — | Roadster · Convertible |
| Variants | 1 | 1 |
| Fuel | Petrol | Petrol |
| Drive | RWD | RWD |
| Gearbox | Automatic | Automatic |
| Performance | ||
| Power | 520 hp | 557 hp |
| Torque | 470 Nm | 680 Nm |
| 0–100 km/h | 3.2 s | 3.7 s |
| Top speed | 312 km/h | 317 km/h |
| Economy | ||
| Fuel economy | 12.8 L/100 km | 12.4 L/100 km |
| Dimensions | ||
| Length | 4,557 mm | 4,544 mm |
| Width | 1,880 mm | 2,075 mm |
| Height | 1,298 mm | 1,260 mm |
| Wheelbase | 2,454 mm | 2,629 mm |
| Curb weight | 1,505 kg | 1,735 kg |
Ranges cover all variants of each car. The highlight marks the best version per row.
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