1991 Jaguar XJ6 vs. 1968 Jensen FF
To start off, 1991 Jaguar XJ6 is newer by 23 year(s). Which means there will be less support and parts availability for 1968 Jensen FF. In addition, the cost of maintenance, including insurance, on 1968 Jensen FF 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 55 more horse power than 1991 Jaguar XJ6. (224 HP @ 4750 RPM) In normal driving conditions, 1968 Jensen FF should accelerate faster than 1991 Jaguar XJ6. With that said, vehicle weight also plays an important factor in acceleration. 1968 Jensen FF weights approximately 150 kg more than 1991 Jaguar XJ6. 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 210 more torque (in Nm) than 1991 Jaguar XJ6. (377 Nm @ 3650 RPM). This means 1968 Jensen FF will have an easier job in driving up hills or pulling heavy equipment than 1991 Jaguar XJ6.
Compare all specifications:
| 1991 Jaguar XJ6 | 1968 Jensen FF | |
| Make | Jaguar | Jensen |
| Model | XJ6 | FF |
| Year Released | 1991 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 3980 cc | 6276 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 224 HP | 279 HP |
| Engine RPM | 4750 RPM | 4600 RPM |
| Torque | 377 Nm | 587 Nm |
| Torque RPM | 3650 RPM | 2800 RPM |
| Engine Bore Size | 91 mm | 108 mm |
| Engine Stroke Size | 102 mm | 85.9 mm |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1825 kg | 1975 kg |
| Vehicle Length | 4940 mm | 4860 mm |
| Vehicle Width | 2010 mm | 1760 mm |
| Vehicle Height | 1370 mm | 1360 mm |
| Wheelbase Size | 2880 mm | 2780 mm |
