Porsche 911 Turbo Cabriolet (1987 – 1989) vs Cadillac Allante (1987 – 1993): specs compared
The Porsche 911 Turbo Cabriolet is the more powerful of the two, with up to 330 hp against 295 hp. It is quicker, reaching 100 km/h in 5.2 s against 7.2 s. It has the higher top speed: 270 km/h against 249 km/h. At 4,536 mm, the Cadillac Allante is 246 mm longer than the Porsche 911 Turbo Cabriolet.
| Specification |
Porsche
911 Turbo Cabriolet
1987 – 1989
|
Cadillac
Allante
1987 – 1993
|
|---|---|---|
| Overview | ||
| Origin | Germany | United States |
| Documented years | 1987 – 1989 | 1987 – 1993 |
| Body style | Convertible | — |
| Variants | 1 | 3 |
| Fuel | Petrol | Petrol |
| Drive | RWD | FWD |
| Gearbox | Manual | Automatic |
| Performance | ||
| Power | 330 hp | 172 – 299 hp |
| Torque | 470 Nm | 319 – 393 Nm |
| 0–100 km/h | 5.2 s | 7.2 – 10.2 s |
| Top speed | 270 km/h | 200 – 249 km/h |
| Economy | ||
| Fuel economy | 12.4 L/100 km | 12.4 – 13.8 L/100 km |
| Dimensions | ||
| Length | 4,290 mm | 4,536 mm |
| Width | 1,775 mm | 1,864 mm |
| Height | 1,311 mm | 1,321 mm |
| Wheelbase | 2,268 mm | 2,525 mm |
| Curb weight | — | 1,584 – 1,702 kg |
Ranges cover all variants of each car. The highlight marks the best version per row.

