1990 Ford Sierra vs. 1971 Jensen FF
To start off, 1990 Ford Sierra is newer by 19 year(s). Which means there will be less support and parts availability for 1971 Jensen FF. In addition, the cost of maintenance, including insurance, on 1971 Jensen FF 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 205 more horse power than 1990 Ford Sierra. (74 HP @ 5300 RPM) In normal driving conditions, 1971 Jensen FF should accelerate faster than 1990 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1971 Jensen FF weights approximately 965 kg more than 1990 Ford Sierra. 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 465 more torque (in Nm) than 1990 Ford Sierra. (122 Nm @ 2900 RPM). This means 1971 Jensen FF will have an easier job in driving up hills or pulling heavy equipment than 1990 Ford Sierra.
Compare all specifications:
| 1990 Ford Sierra | 1971 Jensen FF | |
| Make | Ford | Jensen |
| Model | Sierra | FF |
| Year Released | 1990 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 6276 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 279 HP |
| Engine RPM | 5300 RPM | 4600 RPM |
| Torque | 122 Nm | 587 Nm |
| Torque RPM | 2900 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1010 kg | 1975 kg |
| Vehicle Length | 4500 mm | 4860 mm |
| Vehicle Width | 1680 mm | 1760 mm |
| Vehicle Height | 1400 mm | 1360 mm |
| Wheelbase Size | 2620 mm | 2780 mm |
