1975 Jensen Interceptor vs. 1957 Riley 1.5
To start off, 1975 Jensen Interceptor is newer by 18 year(s). Which means there will be less support and parts availability for 1957 Riley 1.5. In addition, the cost of maintenance, including insurance, on 1957 Riley 1.5 would be higher. At 6,276 cc (8 cylinders), 1975 Jensen Interceptor is equipped with a bigger engine. In terms of performance, 1975 Jensen Interceptor (279 HP @ 4600 RPM) has 216 more horse power than 1957 Riley 1.5. (63 HP @ 5000 RPM). In normal driving conditions, 1975 Jensen Interceptor should accelerate faster than 1957 Riley 1.5. With that said, vehicle weight also plays an important factor in acceleration. 1975 Jensen Interceptor weights approximately 815 kg more than 1957 Riley 1.5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1975 Jensen Interceptor (587 Nm @ 2800 RPM) has 475 more torque (in Nm) than 1957 Riley 1.5. (112 Nm @ 2500 RPM). This means 1975 Jensen Interceptor will have an easier job in driving up hills or pulling heavy equipment than 1957 Riley 1.5.
Compare all specifications:
| 1975 Jensen Interceptor | 1957 Riley 1.5 | |
| Make | Jensen | Riley |
| Model | Interceptor | 1.5 |
| Year Released | 1975 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 6276 cc | 1489 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 279 HP | 63 HP |
| Engine RPM | 4600 RPM | 5000 RPM |
| Torque | 587 Nm | 112 Nm |
| Torque RPM | 2800 RPM | 2500 RPM |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1750 kg | 935 kg |
| Vehicle Length | 4760 mm | 3890 mm |
| Vehicle Width | 1760 mm | 1560 mm |
| Vehicle Height | 1350 mm | 1510 mm |
| Wheelbase Size | 2680 mm | 2190 mm |
| Fuel Tank Capacity | 72 L | 31 L |
