2003 BMW 730 vs. 1971 Rover P6
To start off, 2003 BMW 730 is newer by 32 year(s). Which means there will be less support and parts availability for 1971 Rover P6. In addition, the cost of maintenance, including insurance, on 1971 Rover P6 would be higher. At 3,532 cc (8 cylinders), 1971 Rover P6 is equipped with a bigger engine. In terms of performance, 2003 BMW 730 (228 HP @ 5900 RPM) has 78 more horse power than 1971 Rover P6. (150 HP @ 5000 RPM). In normal driving conditions, 2003 BMW 730 should accelerate faster than 1971 Rover P6. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 730 weights approximately 495 kg more than 1971 Rover P6. 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, 2003 BMW 730 (300 Nm @ 3500 RPM) has 26 more torque (in Nm) than 1971 Rover P6. (274 Nm @ 2750 RPM). This means 2003 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1971 Rover P6. 2003 BMW 730 has automatic transmission and 1971 Rover P6 has manual transmission. 1971 Rover P6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 730 | 1971 Rover P6 | |
| Make | BMW | Rover |
| Model | 730 | P6 |
| Year Released | 2003 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 3532 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 228 HP | 150 HP |
| Engine RPM | 5900 RPM | 5000 RPM |
| Torque | 300 Nm | 274 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Engine Bore Size | 84.1 mm | 88.9 mm |
| Engine Stroke Size | 90 mm | 71.1 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1790 kg | 1295 kg |
| Vehicle Length | 5040 mm | 4570 mm |
| Vehicle Width | 1910 mm | 1680 mm |
| Vehicle Height | 1500 mm | 1430 mm |
| Wheelbase Size | 3000 mm | 2630 mm |
