2004 Buick Regal vs. 1946 Rover P2
To start off, 2004 Buick Regal is newer by 58 year(s). Which means there will be less support and parts availability for 1946 Rover P2. In addition, the cost of maintenance, including insurance, on 1946 Rover P2 would be higher. At 3,786 cc (6 cylinders), 2004 Buick Regal is equipped with a bigger engine. In terms of performance, 2004 Buick Regal (251 HP @ 5200 RPM) has 204 more horse power than 1946 Rover P2. (47 HP @ 4600 RPM). In normal driving conditions, 2004 Buick Regal should accelerate faster than 1946 Rover P2. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Regal weights approximately 178 kg more than 1946 Rover P2. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 2004 Buick Regal | 1946 Rover P2 | |
| Make | Buick | Rover |
| Model | Regal | P2 |
| Year Released | 2004 | 1946 |
| Engine Size | 3786 cc | 1577 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 251 HP | 47 HP |
| Engine RPM | 5200 RPM | 4600 RPM |
| Vehicle Weight | 1598 kg | 1420 kg |
