1972 Jaguar Sovereign vs. 1968 Jaguar XJ-13
To start off, 1972 Jaguar Sovereign is newer by 4 year(s). Which means there will be less support and parts availability for 1968 Jaguar XJ-13. In addition, the cost of maintenance, including insurance, on 1968 Jaguar XJ-13 would be higher. At 5,342 cc (12 cylinders), 1972 Jaguar Sovereign is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1972 Jaguar Sovereign weights approximately 805 kg more than 1968 Jaguar XJ-13.
Let's talk about torque, 1968 Jaguar XJ-13 (570 Nm @ 6300 RPM) has 137 more torque (in Nm) than 1972 Jaguar Sovereign. (433 Nm @ 3250 RPM). This means 1968 Jaguar XJ-13 will have an easier job in driving up hills or pulling heavy equipment than 1972 Jaguar Sovereign.
Compare all specifications:
| 1972 Jaguar Sovereign | 1968 Jaguar XJ-13 | |
| Make | Jaguar | Jaguar |
| Model | Sovereign | XJ-13 |
| Year Released | 1972 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 5342 cc | 4990 cc |
| Engine Cylinders | 12 cylinders | 12 cylinders |
| Engine Type | V | V |
| Horse Power | 295 HP | 0 HP |
| Torque | 433 Nm | 570 Nm |
| Torque RPM | 3250 RPM | 6300 RPM |
| Vehicle Weight | 1930 kg | 1125 kg |
| Vehicle Length | 4960 mm | 4840 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1000 mm |
