Jaguar XJ (1986 – 1994) vs Porsche 928 S (1986 – 1991): specs compared
Both offer around 318 hp at most. The Porsche 928 S is quicker, reaching 100 km/h in 5.9 s against 7.2 s. It has the higher top speed: 270 km/h against 250 km/h. It is the lighter car, from 1,580 kg against 1,700 kg. At 4,521 mm, the Porsche 928 S is 1,531 mm longer than the Jaguar XJ.
| Specification |
Jaguar
XJ
1986 – 1994
|
Porsche
928 S
1986 – 1991
|
|---|---|---|
| Overview | ||
| Origin | United Kingdom | Germany |
| Documented years | 1986 – 1994 | 1986 – 1991 |
| Body style | — | — |
| Variants | 6 | 2 |
| Fuel | Petrol | Petrol |
| Drive | RWD | RWD |
| Gearbox | Automatic · Manual | Automatic · Manual |
| Performance | ||
| Power | 150 – 318 hp | 320 hp |
| Torque | 225 – 463 Nm | 430 Nm |
| 0–100 km/h | 7.2 – 9.6 s | 5.9 s |
| Top speed | 196 – 250 km/h | 266 – 270 km/h |
| Economy | ||
| Fuel economy | 10.3 – 15.2 L/100 km | — |
| Dimensions | ||
| Length | 2,990 mm | 4,521 mm |
| Width | 1,791 mm | 1,836 mm |
| Height | 1,379 mm | 1,283 mm |
| Wheelbase | 2,870 mm | 2,499 mm |
| Curb weight | 1,700 – 1,985 kg | 1,580 – 1,600 kg |
Ranges cover all variants of each car. The highlight marks the best version per row.

