1990 Jaguar XJS vs. 2009 Jaguar XK
To start off, 2009 Jaguar XK is newer by 19 year(s). Which means there will be less support and parts availability for 1990 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1990 Jaguar XJS would be higher. At 5,343 cc (12 cylinders), 1990 Jaguar XJS is equipped with a bigger engine. In terms of performance, 2009 Jaguar XK (410 HP @ 6250 RPM) has 119 more horse power than 1990 Jaguar XJS. (291 HP @ 5500 RPM) In normal driving conditions, 2009 Jaguar XK should accelerate faster than 1990 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 1990 Jaguar XJS weights approximately 312 kg more than 2009 Jaguar XK.
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, 2009 Jaguar XK (560 Nm @ 4000 RPM) has 120 more torque (in Nm) than 1990 Jaguar XJS. (440 Nm @ 3250 RPM). This means 2009 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 1990 Jaguar XJS. 2009 Jaguar XK has automatic transmission and 1990 Jaguar XJS has manual transmission. 1990 Jaguar XJS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Jaguar XK will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1990 Jaguar XJS | 2009 Jaguar XK | |
| Make | Jaguar | Jaguar |
| Model | XJS | XK |
| Year Released | 1990 | 2009 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5343 cc | 4196 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 291 HP | 410 HP |
| Engine RPM | 5500 RPM | 6250 RPM |
| Torque | 440 Nm | 560 Nm |
| Torque RPM | 3250 RPM | 4000 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 | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1932 kg | 1620 kg |
| Vehicle Length | 4770 mm | 4800 mm |
| Vehicle Width | 1800 mm | 1330 mm |
| Vehicle Height | 1260 mm | 1900 mm |
| Wheelbase Size | 2600 mm | 2590 mm |
| Fuel Tank Capacity | 82 L | 71 L |
