2003 BMW 645 vs. 1947 Rover P2
To start off, 2003 BMW 645 is newer by 56 year(s). Which means there will be less support and parts availability for 1947 Rover P2. In addition, the cost of maintenance, including insurance, on 1947 Rover P2 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (325 HP @ 6100 RPM) has 278 more horse power than 1947 Rover P2. (47 HP @ 4600 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 1947 Rover P2. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 268 kg more than 1947 Rover P2. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 2003 BMW 645 | 1947 Rover P2 | |
| Make | BMW | Rover |
| Model | 645 | P2 |
| Year Released | 2003 | 1947 |
| Engine Size | 4398 cc | 1577 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 325 HP | 47 HP |
| Engine RPM | 6100 RPM | 4600 RPM |
| Vehicle Weight | 1690 kg | 1422 kg |
