1957 Jaguar XK vs. 1991 Jaguar XJS
To start off, 1991 Jaguar XJS is newer by 34 year(s). Which means there will be less support and parts availability for 1957 Jaguar XK. In addition, the cost of maintenance, including insurance, on 1957 Jaguar XK would be higher. At 5,342 cc (12 cylinders), 1991 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1991 Jaguar XJS (291 HP @ 5500 RPM) has 83 more horse power than 1957 Jaguar XK. (208 HP @ 5500 RPM) In normal driving conditions, 1991 Jaguar XJS should accelerate faster than 1957 Jaguar XK. With that said, vehicle weight also plays an important factor in acceleration. 1991 Jaguar XJS weights approximately 457 kg more than 1957 Jaguar XK. 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, 1991 Jaguar XJS (440 Nm @ 3250 RPM) has 130 more torque (in Nm) than 1957 Jaguar XK. (310 Nm @ 2500 RPM). This means 1991 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1957 Jaguar XK.
Compare all specifications:
| 1957 Jaguar XK | 1991 Jaguar XJS | |
| Make | Jaguar | Jaguar |
| Model | XK | XJS |
| Year Released | 1957 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3440 cc | 5342 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 208 HP | 291 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 310 Nm | 440 Nm |
| Torque RPM | 2500 RPM | 3250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1473 kg | 1930 kg |
| Vehicle Length | 4480 mm | 4770 mm |
| Vehicle Width | 1640 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1260 mm |
| Wheelbase Size | 2730 mm | 2600 mm |
| Fuel Tank Capacity | 90 L | 82 L |
