1950 Jaguar XK vs. 1968 Jaguar XJ-13
To start off, 1968 Jaguar XJ-13 is newer by 18 year(s). Which means there will be less support and parts availability for 1950 Jaguar XK. In addition, the cost of maintenance, including insurance, on 1950 Jaguar XK would be higher. At 4,990 cc (12 cylinders), 1968 Jaguar XJ-13 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1950 Jaguar XK weights approximately 170 kg more than 1968 Jaguar XJ-13.
Let's talk about torque, 1968 Jaguar XJ-13 (570 Nm @ 6300 RPM) has 280 more torque (in Nm) than 1950 Jaguar XK. (290 Nm @ 2500 RPM). This means 1968 Jaguar XJ-13 will have an easier job in driving up hills or pulling heavy equipment than 1950 Jaguar XK.
Compare all specifications:
| 1950 Jaguar XK | 1968 Jaguar XJ-13 | |
| Make | Jaguar | Jaguar |
| Model | XK | XJ-13 |
| Year Released | 1950 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 3442 cc | 4990 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 158 HP | 0 HP |
| Torque | 290 Nm | 570 Nm |
| Torque RPM | 2500 RPM | 6300 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1295 kg | 1125 kg |
| Vehicle Length | 4430 mm | 4840 mm |
| Vehicle Width | 1570 mm | 1780 mm |
| Vehicle Height | 1340 mm | 1000 mm |
