1987 Ford Sierra vs. 1956 Rover P4
To start off, 1987 Ford Sierra is newer by 31 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 1,997 cc (4 cylinders), 1956 Rover P4 is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (104 HP @ 5200 RPM) has 53 more horse power than 1956 Rover P4. (51 HP @ 4000 RPM). In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1956 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1956 Rover P4 weights approximately 235 kg more than 1987 Ford Sierra.
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, 1987 Ford Sierra (160 Nm @ 4000 RPM) has 22 more torque (in Nm) than 1956 Rover P4. (138 Nm @ 2000 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1956 Rover P4.
Compare all specifications:
| 1987 Ford Sierra | 1956 Rover P4 | |
| Make | Ford | Rover |
| Model | Sierra | P4 |
| Year Released | 1987 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 51 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 160 Nm | 138 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1145 kg | 1380 kg |
| Vehicle Length | 4430 mm | 4550 mm |
| Vehicle Width | 1700 mm | 1680 mm |
| Vehicle Height | 1370 mm | 1620 mm |
| Wheelbase Size | 2620 mm | 2830 mm |
