2004 BMW 325 vs. 1956 Rover P4
To start off, 2004 BMW 325 is newer by 48 year(s). Which means there will be less support and parts availability for 1956 Rover P4. In addition, the cost of maintenance, including insurance, on 1956 Rover P4 would be higher. At 2,638 cc (6 cylinders), 1956 Rover P4 is equipped with a bigger engine. In terms of performance, 2004 BMW 325 (189 HP @ 7400 RPM) has 81 more horse power than 1956 Rover P4. (108 HP @ 4250 RPM). In normal driving conditions, 2004 BMW 325 should accelerate faster than 1956 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 325 weights approximately 224 kg more than 1956 Rover P4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 BMW 325 (237 Nm) has 31 more torque (in Nm) than 1956 Rover P4. (206 Nm). This means 2004 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 1956 Rover P4.
Compare all specifications:
| 2004 BMW 325 | 1956 Rover P4 | |
| Make | BMW | Rover |
| Model | 325 | P4 |
| Year Released | 2004 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 2491 cc | 2638 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 108 HP |
| Engine RPM | 7400 RPM | 4250 RPM |
| Torque | 237 Nm | 206 Nm |
| Engine Bore Size | 84 mm | 73 mm |
| Engine Stroke Size | 75 mm | 105 mm |
| Engine Compression Ratio | 10.5:1 | 8.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1710 kg | 1486 kg |
| Vehicle Length | 4480 mm | 4530 mm |
| Vehicle Width | 1750 mm | 1670 mm |
| Vehicle Height | 1440 mm | 1320 mm |
| Wheelbase Size | 2730 mm | 2830 mm |
| Fuel Tank Capacity | 63 L | 52 L |
