2006 Jaguar XKR vs. 1981 Jaguar XJS
To start off, 2006 Jaguar XKR is newer by 25 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, 2006 Jaguar XKR (390 HP @ 3500 RPM) has 91 more horse power than 1981 Jaguar XJS. (299 HP @ 5500 RPM). In normal driving conditions, 2006 Jaguar XKR should accelerate faster than 1981 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 2006 Jaguar XKR weights approximately 141 kg more than 1981 Jaguar XJS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2006 Jaguar XKR (541 Nm @ 3500 RPM) has 110 more torque (in Nm) than 1981 Jaguar XJS. (431 Nm @ 3000 RPM). This means 2006 Jaguar XKR will have an easier job in driving up hills or pulling heavy equipment than 1981 Jaguar XJS.
Compare all specifications:
| 2006 Jaguar XKR | 1981 Jaguar XJS | |
| Make | Jaguar | Jaguar |
| Model | XKR | XJS |
| Year Released | 2006 | 1981 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 5344 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Horse Power | 390 HP | 299 HP |
| Engine RPM | 3500 RPM | 5500 RPM |
| Torque | 541 Nm | 431 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Compression Ratio | 9.1:1 | 12.5:1 |
| Top Speed | 250 km/hour | 240 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 7.9 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1848 kg | 1707 kg |
| Vehicle Length | 4780 mm | 4880 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1290 mm | 1270 mm |
| Wheelbase Size | 2590 mm | 2600 mm |
| Fuel Tank Capacity | 75 L | 90 L |
