1951 Austin Princess vs. 2005 BMW 325
To start off, 2005 BMW 325 is newer by 54 year(s). Which means there will be less support and parts availability for 1951 Austin Princess. In addition, the cost of maintenance, including insurance, on 1951 Austin Princess would be higher. At 3,990 cc (6 cylinders), 1951 Austin Princess is equipped with a bigger engine. In terms of performance, 2005 BMW 325 (184 HP @ 7400 RPM) has 60 more horse power than 1951 Austin Princess. (124 HP @ 3800 RPM) In normal driving conditions, 2005 BMW 325 should accelerate faster than 1951 Austin Princess. With that said, vehicle weight also plays an important factor in acceleration. 1951 Austin Princess weights approximately 495 kg more than 2005 BMW 325.
Let's talk about torque, 1951 Austin Princess (288 Nm) has 51 more torque (in Nm) than 2005 BMW 325. (237 Nm). This means 1951 Austin Princess will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 1951 Austin Princess | 2005 BMW 325 | |
| Make | Austin | BMW |
| Model | Princess | 325 |
| Year Released | 1951 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3990 cc | 2492 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 124 HP | 184 HP |
| Engine RPM | 3800 RPM | 7400 RPM |
| Torque | 288 Nm | 237 Nm |
| Engine Bore Size | 87.3 mm | 84 mm |
| Engine Stroke Size | 111.1 mm | 75 mm |
| Engine Compression Ratio | 6.8:1 | 10.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1955 kg | 1460 kg |
| Vehicle Length | 4880 mm | 4480 mm |
| Vehicle Width | 1860 mm | 1750 mm |
| Vehicle Height | 1710 mm | 1420 mm |
| Wheelbase Size | 3030 mm | 2730 mm |
| Fuel Tank Capacity | 34 L | 63 L |
