1991 Jaguar XJS vs. 1948 Jaguar XK
To start off, 1991 Jaguar XJS is newer by 43 year(s). Which means there will be less support and parts availability for 1948 Jaguar XK. In addition, the cost of maintenance, including insurance, on 1948 Jaguar XK would be higher. At 3,590 cc (6 cylinders), 1991 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1991 Jaguar XJS (217 HP @ 5300 RPM) has 37 more horse power than 1948 Jaguar XK. (180 HP @ 5300 RPM). In normal driving conditions, 1991 Jaguar XJS should accelerate faster than 1948 Jaguar XK. With that said, vehicle weight also plays an important factor in acceleration. 1991 Jaguar XJS weights approximately 258 kg more than 1948 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 (331 Nm @ 4000 RPM) has 55 more torque (in Nm) than 1948 Jaguar XK. (276 Nm @ 4000 RPM). This means 1991 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1948 Jaguar XK.
Compare all specifications:
| 1991 Jaguar XJS | 1948 Jaguar XK | |
| Make | Jaguar | Jaguar |
| Model | XJS | XK |
| Year Released | 1991 | 1948 |
| Engine Position | Front | Front |
| Engine Size | 3590 cc | 3442 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 217 HP | 180 HP |
| Engine RPM | 5300 RPM | 5300 RPM |
| Torque | 331 Nm | 276 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 91 mm | 83 mm |
| Engine Stroke Size | 92 mm | 106 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1630 kg | 1372 kg |
| Vehicle Length | 4880 mm | 4400 mm |
| Vehicle Width | 1800 mm | 1580 mm |
| Vehicle Height | 1270 mm | 1370 mm |
| Wheelbase Size | 2600 mm | 2600 mm |
