1992 Jaguar XJR vs. 1991 Jaguar XJS
To start off, 1992 Jaguar XJR is newer by 1 year(s). Which means there will be less support and parts availability for 1991 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1991 Jaguar XJS would be higher. At 5,992 cc (12 cylinders), 1992 Jaguar XJR is equipped with a bigger engine. In terms of performance, 1992 Jaguar XJR (333 HP @ 5250 RPM) has 42 more horse power than 1991 Jaguar XJS. (291 HP @ 5500 RPM). In normal driving conditions, 1992 Jaguar XJR should accelerate faster than 1991 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 1991 Jaguar XJS weights approximately 106 kg more than 1992 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, 1992 Jaguar XJR (495 Nm @ 3650 RPM) has 55 more torque (in Nm) than 1991 Jaguar XJS. (440 Nm @ 3250 RPM). This means 1992 Jaguar XJR will have an easier job in driving up hills or pulling heavy equipment than 1991 Jaguar XJS. 1992 Jaguar XJR has automatic transmission and 1991 Jaguar XJS has manual transmission. 1991 Jaguar XJS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1992 Jaguar XJR will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1992 Jaguar XJR | 1991 Jaguar XJS | |
| Make | Jaguar | Jaguar |
| Model | XJR | XJS |
| Year Released | 1992 | 1991 |
| Engine Position | Middle | Front |
| Engine Size | 5992 cc | 5342 cc |
| Engine Cylinders | 12 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 333 HP | 291 HP |
| Engine RPM | 5250 RPM | 5500 RPM |
| Torque | 495 Nm | 440 Nm |
| Torque RPM | 3650 RPM | 3250 RPM |
| Engine Bore Size | 90 mm | 90 mm |
| Engine Stroke Size | 78.5 mm | 70 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1824 kg | 1930 kg |
| Vehicle Length | 4770 mm | 4770 mm |
| Vehicle Width | 1890 mm | 1800 mm |
| Vehicle Height | 1270 mm | 1260 mm |
| Wheelbase Size | 2600 mm | 2600 mm |
| Fuel Tank Capacity | 89 L | 82 L |
