1971 Jensen SP vs. 1956 Rover P4
To start off, 1971 Jensen SP is newer by 15 year(s). Which means there will be less support and parts availability for 1956 Rover P4. In addition, the cost of maintenance, including insurance, on 1956 Rover P4 would be higher. At 7,206 cc (8 cylinders), 1971 Jensen SP is equipped with a bigger engine. In terms of performance, 1971 Jensen SP (385 HP @ 4700 RPM) has 277 more horse power than 1956 Rover P4. (108 HP @ 4250 RPM). In normal driving conditions, 1971 Jensen SP should accelerate faster than 1956 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1971 Jensen SP weights approximately 335 kg more than 1956 Rover P4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1971 Jensen SP (557 Nm @ 3600 RPM) has 351 more torque (in Nm) than 1956 Rover P4. (206 Nm @ 2500 RPM). This means 1971 Jensen SP will have an easier job in driving up hills or pulling heavy equipment than 1956 Rover P4. 1971 Jensen SP has automatic transmission and 1956 Rover P4 has manual transmission. 1956 Rover P4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1971 Jensen SP will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1971 Jensen SP | 1956 Rover P4 | |
| Make | Jensen | Rover |
| Model | SP | P4 |
| Year Released | 1971 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 7206 cc | 2636 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 385 HP | 108 HP |
| Engine RPM | 4700 RPM | 4250 RPM |
| Torque | 557 Nm | 206 Nm |
| Torque RPM | 3600 RPM | 2500 RPM |
| Engine Bore Size | 109.7 mm | 73 mm |
| Engine Stroke Size | 95.3 mm | 105 mm |
| Top Speed | 230 km/hour | 153 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1783 kg | 1448 kg |
| Vehicle Length | 4780 mm | 4530 mm |
| Vehicle Width | 1760 mm | 1670 mm |
| Vehicle Height | 1370 mm | 1320 mm |
| Wheelbase Size | 2670 mm | 2830 mm |
| Fuel Tank Capacity | 75 L | 52 L |
