| Production | 1979-1981 |
| Fuel | Petrol |
| Motor Type | V12 |
| Displacement (cc/Cid) | 5343 / 326 |
| Number of Valves | 24 |
| Power | 285hp / 210kW @ 5800rpm |
| Torque | 399Nm / 294lb ft @ 3500rpm |
| Layout | Rear Wheel Drive |
| Gearbox | Manual |
| Number of gears (transmission) | 5 |
| Top Speed (km/h / mph) | 249 / 155 |
| Acceleration (0 to 100km/h / 0 to 60mph) | 7 / 6.8 |
| Fuel consumption extra-urban/highway (l/100km / mpg(US)) | ? |
| Fuel consumption urban/city (l/100km / mpg(US)) | ? |
| Fuel consumption mixed (l/100km / mpg(US)) | ? |
| Length (cm/inches) | 487 / 192 |
| Width (cm/inches) | 179 / 70 |
| Height (cm/inches) | 126 / 50 |
| Wheelbase (cm/inches) | 259 / 102 |
| Weight (kg / lbs) | 1750 / 3858 |
| Trunk Volume (dm3 / cu ft (US)) | ? |
| Tank Capacity (l / gal (US)) | 91 / 24 |
| Tire size | 205/70 VR15 |
| Others | ? |
Jaguar XJ-S 5.3 V12 285hp
