1951 Austin Princess vs. 2008 BMW 645
To start off, 2008 BMW 645 is newer by 57 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 4,398 cc (8 cylinders), 2008 BMW 645 is equipped with a bigger engine. In terms of performance, 2008 BMW 645 (328 HP @ 6100 RPM) has 204 more horse power than 1951 Austin Princess. (124 HP @ 3800 RPM) In normal driving conditions, 2008 BMW 645 should accelerate faster than 1951 Austin Princess. With that said, vehicle weight also plays an important factor in acceleration. 1951 Austin Princess weights approximately 140 kg more than 2008 BMW 645.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2008 BMW 645 (450 Nm @ 3600 RPM) has 162 more torque (in Nm) than 1951 Austin Princess. (288 Nm @ 2200 RPM). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1951 Austin Princess.
Compare all specifications:
| 1951 Austin Princess | 2008 BMW 645 | |
| Make | Austin | BMW |
| Model | Princess | 645 |
| Year Released | 1951 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 3990 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 124 HP | 328 HP |
| Engine RPM | 3800 RPM | 6100 RPM |
| Torque | 288 Nm | 450 Nm |
| Torque RPM | 2200 RPM | 3600 RPM |
| Engine Bore Size | 87.3 mm | 92 mm |
| Engine Stroke Size | 111.1 mm | 82.7 mm |
| Engine Compression Ratio | 6.8:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1955 kg | 1815 kg |
| Vehicle Length | 4880 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1710 mm | 1380 mm |
| Wheelbase Size | 3030 mm | 2790 mm |
| Fuel Tank Capacity | 34 L | 70 L |
