1990 Jaguar XJR vs. 1985 Jaguar XJS
To start off, 1990 Jaguar XJR is newer by 5 year(s). Which means there will be less support and parts availability for 1985 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1985 Jaguar XJS would be higher. At 3,979 cc (6 cylinders), 1990 Jaguar XJR is equipped with a bigger engine. In terms of performance, 1990 Jaguar XJR (252 HP @ 5250 RPM) has 35 more horse power than 1985 Jaguar XJS. (217 HP @ 5300 RPM). In normal driving conditions, 1990 Jaguar XJR should accelerate faster than 1985 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 1985 Jaguar XJS weights approximately 137 kg more than 1990 Jaguar XJR.
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, 1990 Jaguar XJR (377 Nm) has 46 more torque (in Nm) than 1985 Jaguar XJS. (331 Nm). This means 1990 Jaguar XJR will have an easier job in driving up hills or pulling heavy equipment than 1985 Jaguar XJS.
Compare all specifications:
| 1990 Jaguar XJR | 1985 Jaguar XJS | |
| Make | Jaguar | Jaguar |
| Model | XJR | XJS |
| Year Released | 1990 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 3979 cc | 3590 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 252 HP | 217 HP |
| Engine RPM | 5250 RPM | 5300 RPM |
| Torque | 377 Nm | 331 Nm |
| Engine Bore Size | 91 mm | 91.1 mm |
| Engine Stroke Size | 102 mm | 92 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1493 kg | 1630 kg |
| Vehicle Length | 4940 mm | 4880 mm |
| Vehicle Width | 2010 mm | 1800 mm |
| Wheelbase Size | 2880 mm | 2600 mm |
