1959 Jaguar XK vs. 1968 Jensen FF
To start off, 1968 Jensen FF is newer by 9 year(s). Which means there will be less support and parts availability for 1959 Jaguar XK. In addition, the cost of maintenance, including insurance, on 1959 Jaguar XK would be higher. At 6,276 cc (8 cylinders), 1968 Jensen FF is equipped with a bigger engine. In terms of performance, 1968 Jensen FF (279 HP @ 4600 RPM) has 28 more horse power than 1959 Jaguar XK. (251 HP @ 5500 RPM) In normal driving conditions, 1968 Jensen FF should accelerate faster than 1959 Jaguar XK. With that said, vehicle weight also plays an important factor in acceleration. 1968 Jensen FF weights approximately 502 kg more than 1959 Jaguar XK. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1968 Jensen FF (587 Nm @ 2800 RPM) has 262 more torque (in Nm) than 1959 Jaguar XK. (325 Nm @ 4500 RPM). This means 1968 Jensen FF will have an easier job in driving up hills or pulling heavy equipment than 1959 Jaguar XK.
Compare all specifications:
| 1959 Jaguar XK | 1968 Jensen FF | |
| Make | Jaguar | Jensen |
| Model | XK | FF |
| Year Released | 1959 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 3442 cc | 6276 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 251 HP | 279 HP |
| Engine RPM | 5500 RPM | 4600 RPM |
| Torque | 325 Nm | 587 Nm |
| Torque RPM | 4500 RPM | 2800 RPM |
| Engine Bore Size | 83 mm | 108 mm |
| Engine Stroke Size | 106 mm | 85.9 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1473 kg | 1975 kg |
| Vehicle Length | 4500 mm | 4860 mm |
| Vehicle Width | 1640 mm | 1760 mm |
| Vehicle Height | 1400 mm | 1360 mm |
| Wheelbase Size | 2600 mm | 2780 mm |
