1981 Jaguar XJS vs. 1999 Jaguar S-Type
To start off, 1999 Jaguar S-Type is newer by 18 year(s). Which means there will be less support and parts availability for 1981 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1981 Jaguar XJS would be higher. At 5,344 cc (12 cylinders), 1981 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1981 Jaguar XJS (299 HP @ 5500 RPM) has 18 more horse power than 1999 Jaguar S-Type. (281 HP @ 6100 RPM). In normal driving conditions, 1981 Jaguar XJS should accelerate faster than 1999 Jaguar S-Type. With that said, vehicle weight also plays an important factor in acceleration. 1999 Jaguar S-Type weights approximately 18 kg more than 1981 Jaguar XJS.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1981 Jaguar XJS (431 Nm @ 3000 RPM) has 41 more torque (in Nm) than 1999 Jaguar S-Type. (390 Nm @ 4300 RPM). This means 1981 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1999 Jaguar S-Type.
Compare all specifications:
| 1981 Jaguar XJS | 1999 Jaguar S-Type | |
| Make | Jaguar | Jaguar |
| Model | XJS | S-Type |
| Year Released | 1981 | 1999 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5344 cc | 3996 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 299 HP | 281 HP |
| Engine RPM | 5500 RPM | 6100 RPM |
| Torque | 431 Nm | 390 Nm |
| Torque RPM | 3000 RPM | 4300 RPM |
| Engine Compression Ratio | 12.5:1 | 10.8:1 |
| Top Speed | 240 km/hour | 235 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 7.1 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1707 kg | 1725 kg |
| Vehicle Length | 4880 mm | 4870 mm |
| Vehicle Width | 1780 mm | 1830 mm |
| Vehicle Height | 1270 mm | 1450 mm |
| Wheelbase Size | 2600 mm | 2920 mm |
| Fuel Tank Capacity | 90 L | 69 L |
