2006 BMW Z4 vs. 1946 Rover P2
To start off, 2006 BMW Z4 is newer by 60 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 2,492 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 142 more horse power than 1946 Rover P2. (47 HP @ 4600 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1946 Rover P2. With that said, vehicle weight also plays an important factor in acceleration. 1946 Rover P2 weights approximately 85 kg more than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 1946 Rover P2 | |
| Make | BMW | Rover |
| Model | Z4 | P2 |
| Year Released | 2006 | 1946 |
| Engine Size | 2492 cc | 1577 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 189 HP | 47 HP |
| Engine RPM | 6000 RPM | 4600 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Vehicle Weight | 1335 kg | 1420 kg |
