Porsche 911 Turbo (1974 – 1977) vs Mercedes-Benz SL-Klasse (1971 – 1989): specs compared
The Mercedes-Benz SL-Klasse is the more powerful of the two, with up to 280 hp against 260 hp. The Porsche 911 Turbo is quicker, reaching 100 km/h in 5.5 s against 7.3 s. It has the higher top speed: 249 km/h against 225 km/h. It is the lighter car, from 1,195 kg against 1,500 kg. At 4,389 mm, the Mercedes-Benz SL-Klasse is 99 mm longer than the Porsche 911 Turbo. The Porsche 911 Turbo dates from 1974 – 1977, the Mercedes-Benz SL-Klasse from 1971 – 1989.
| Specification |
Porsche
911 Turbo
1974 – 1977
|
Mercedes-Benz
SL-Klasse
1971 – 1989
|
|---|---|---|
| Overview | ||
| Origin | Germany | Germany |
| Documented years | 1974 – 1977 | 1971 – 1989 |
| Body style | — | — |
| Variants | 1 | 9 |
| Fuel | Petrol | Petrol |
| Drive | RWD | RWD |
| Gearbox | Manual | Automatic · Manual |
| Performance | ||
| Power | 260 hp | 179 – 245 hp |
| Torque | 345 Nm | 240 – 405 Nm |
| 0–100 km/h | 5.5 s | 7.3 – 10.1 s |
| Top speed | 249 km/h | 200 – 225 km/h |
| Economy | ||
| Fuel economy | 10.8 L/100 km | 10.9 – 13.1 L/100 km |
| Dimensions | ||
| Length | 4,290 mm | 4,389 mm |
| Width | 1,775 mm | 1,791 mm |
| Height | 1,321 mm | 1,300 mm |
| Wheelbase | 2,268 mm | 2,461 mm |
| Curb weight | 1,195 kg | 1,500 – 1,610 kg |
Ranges cover all variants of each car. The highlight marks the best version per row.

