1981 BMW 745 vs. 1971 Rover P5B
To start off, 1981 BMW 745 is newer by 10 year(s). Which means there will be less support and parts availability for 1971 Rover P5B. In addition, the cost of maintenance, including insurance, on 1971 Rover P5B would be higher. At 3,528 cc (8 cylinders), 1971 Rover P5B is equipped with a bigger engine. In terms of performance, 1981 BMW 745 (252 HP @ 5200 RPM) has 94 more horse power than 1971 Rover P5B. (158 HP @ 5200 RPM). In normal driving conditions, 1981 BMW 745 should accelerate faster than 1971 Rover P5B. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 16 kg more than 1971 Rover P5B. 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, 1981 BMW 745 (380 Nm @ 2200 RPM) has 84 more torque (in Nm) than 1971 Rover P5B. (296 Nm @ 3000 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 1971 Rover P5B.
Compare all specifications:
| 1981 BMW 745 | 1971 Rover P5B | |
| Make | BMW | Rover |
| Model | 745 | P5B |
| Year Released | 1981 | 1971 |
| Body Type | Sedan | Coupe |
| Engine Size | 3430 cc | 3528 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 252 HP | 158 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 380 Nm | 296 Nm |
| Torque RPM | 2200 RPM | 3000 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1596 kg | 1580 kg |
| Vehicle Length | 4870 mm | 4750 mm |
| Vehicle Width | 1810 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1480 mm |
| Wheelbase Size | 2770 mm | 2820 mm |
