1986 Opel Omega vs. 1957 Rover P4
To start off, 1986 Opel Omega is newer by 29 year(s). Which means there will be less support and parts availability for 1957 Rover P4. In addition, the cost of maintenance, including insurance, on 1957 Rover P4 would be higher. At 2,230 cc (6 cylinders), 1957 Rover P4 is equipped with a bigger engine. In terms of performance, 1986 Opel Omega (87 HP @ 5200 RPM) has 17 more horse power than 1957 Rover P4. (70 HP @ 4500 RPM). In normal driving conditions, 1986 Opel Omega should accelerate faster than 1957 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1957 Rover P4 weights approximately 250 kg more than 1986 Opel Omega.
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, 1957 Rover P4 (153 Nm @ 1750 RPM) has 13 more torque (in Nm) than 1986 Opel Omega. (140 Nm @ 3400 RPM). This means 1957 Rover P4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Opel Omega.
Compare all specifications:
| 1986 Opel Omega | 1957 Rover P4 | |
| Make | Opel | Rover |
| Model | Omega | P4 |
| Year Released | 1986 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 2230 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 87 HP | 70 HP |
| Engine RPM | 5200 RPM | 4500 RPM |
| Torque | 140 Nm | 153 Nm |
| Torque RPM | 3400 RPM | 1750 RPM |
| Engine Bore Size | 84.8 mm | 73 mm |
| Engine Stroke Size | 79.5 mm | 88.9 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1150 kg | 1400 kg |
| Vehicle Length | 4690 mm | 4540 mm |
| Vehicle Width | 1780 mm | 1680 mm |
| Vehicle Height | 1450 mm | 1630 mm |
| Wheelbase Size | 2670 mm | 2830 mm |
