1971 Jensen FF vs. 1957 Morris Isis
To start off, 1971 Jensen FF is newer by 14 year(s). Which means there will be less support and parts availability for 1957 Morris Isis. In addition, the cost of maintenance, including insurance, on 1957 Morris Isis would be higher. At 6,276 cc (8 cylinders), 1971 Jensen FF is equipped with a bigger engine. In terms of performance, 1971 Jensen FF (279 HP @ 4600 RPM) has 194 more horse power than 1957 Morris Isis. (85 HP @ 4250 RPM). In normal driving conditions, 1971 Jensen FF should accelerate faster than 1957 Morris Isis. With that said, vehicle weight also plays an important factor in acceleration. 1971 Jensen FF weights approximately 660 kg more than 1957 Morris Isis. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1971 Jensen FF (587 Nm @ 2800 RPM) has 418 more torque (in Nm) than 1957 Morris Isis. (169 Nm @ 2000 RPM). This means 1971 Jensen FF will have an easier job in driving up hills or pulling heavy equipment than 1957 Morris Isis.
Compare all specifications:
| 1971 Jensen FF | 1957 Morris Isis | |
| Make | Jensen | Morris |
| Model | FF | Isis |
| Year Released | 1971 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 6276 cc | 2639 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 279 HP | 85 HP |
| Engine RPM | 4600 RPM | 4250 RPM |
| Torque | 587 Nm | 169 Nm |
| Torque RPM | 2800 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1975 kg | 1315 kg |
| Vehicle Length | 4860 mm | 4530 mm |
| Vehicle Width | 1760 mm | 1660 mm |
| Vehicle Height | 1360 mm | 1620 mm |
| Wheelbase Size | 2780 mm | 2470 mm |
