1991 Jaguar XJS vs. 2008 Jaguar XJ
To start off, 2008 Jaguar XJ is newer by 17 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 5,342 cc (12 cylinders), 1991 Jaguar XJS is equipped with a bigger engine. In terms of performance, 2008 Jaguar XJ (400 HP @ 6100 RPM) has 109 more horse power than 1991 Jaguar XJS. (291 HP @ 5500 RPM) In normal driving conditions, 2008 Jaguar XJ should accelerate faster than 1991 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 1991 Jaguar XJS weights approximately 265 kg more than 2008 Jaguar XJ.
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, 2008 Jaguar XJ (553 Nm @ 4100 RPM) has 113 more torque (in Nm) than 1991 Jaguar XJS. (440 Nm @ 3250 RPM). This means 2008 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1991 Jaguar XJS. 2008 Jaguar XJ 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. 2008 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Jaguar XJS | 2008 Jaguar XJ | |
| Make | Jaguar | Jaguar |
| Model | XJS | XJ |
| Year Released | 1991 | 2008 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5342 cc | 4195 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 291 HP | 400 HP |
| Engine RPM | 5500 RPM | 6100 RPM |
| Torque | 440 Nm | 553 Nm |
| Torque RPM | 3250 RPM | 4100 RPM |
| Engine Bore Size | 90 mm | 86 mm |
| Engine Stroke Size | 70 mm | 90.3 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1930 kg | 1665 kg |
| Vehicle Length | 4770 mm | 5100 mm |
| Vehicle Width | 1800 mm | 1450 mm |
| Wheelbase Size | 2600 mm | 3040 mm |
| Fuel Tank Capacity | 82 L | 85 L |
