1990 BMW 730 vs. 1951 Rover P4
To start off, 1990 BMW 730 is newer by 39 year(s). Which means there will be less support and parts availability for 1951 Rover P4. In addition, the cost of maintenance, including insurance, on 1951 Rover P4 would be higher. At 2,986 cc (6 cylinders), 1990 BMW 730 is equipped with a bigger engine. In terms of performance, 1990 BMW 730 (181 HP @ 5800 RPM) has 106 more horse power than 1951 Rover P4. (75 HP @ 4200 RPM). In normal driving conditions, 1990 BMW 730 should accelerate faster than 1951 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1990 BMW 730 weights approximately 210 kg more than 1951 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, 1990 BMW 730 (260 Nm @ 4000 RPM) has 110 more torque (in Nm) than 1951 Rover P4. (150 Nm @ 2500 RPM). This means 1990 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1951 Rover P4.
Compare all specifications:
| 1990 BMW 730 | 1951 Rover P4 | |
| Make | BMW | Rover |
| Model | 730 | P4 |
| Year Released | 1990 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 2103 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 181 HP | 75 HP |
| Engine RPM | 5800 RPM | 4200 RPM |
| Torque | 260 Nm | 150 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 89 mm | 65.2 mm |
| Engine Stroke Size | 80 mm | 105 mm |
| Engine Compression Ratio | 9.0:1 | 7.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1600 kg | 1390 kg |
| Vehicle Length | 4920 mm | 4590 mm |
| Vehicle Width | 1850 mm | 1670 mm |
| Vehicle Height | 1420 mm | 1620 mm |
| Wheelbase Size | 2840 mm | 2830 mm |
| Fuel Tank Capacity | 90 L | 52 L |
