1964 Austin Princess vs. 1975 BMW 520
To start off, 1975 BMW 520 is newer by 11 year(s). Which means there will be less support and parts availability for 1964 Austin Princess. In addition, the cost of maintenance, including insurance, on 1964 Austin Princess would be higher. At 3,993 cc (6 cylinders), 1964 Austin Princess is equipped with a bigger engine. In terms of performance, 1975 BMW 520 (123 HP @ 5700 RPM) has 4 more horse power than 1964 Austin Princess. (119 HP @ 4000 RPM) In normal driving conditions, 1975 BMW 520 should accelerate faster than 1964 Austin Princess. With that said, vehicle weight also plays an important factor in acceleration. 1964 Austin Princess weights approximately 885 kg more than 1975 BMW 520.
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, 1964 Austin Princess (251 Nm @ 2000 RPM) has 79 more torque (in Nm) than 1975 BMW 520. (172 Nm @ 4350 RPM). This means 1964 Austin Princess will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 520.
Compare all specifications:
| 1964 Austin Princess | 1975 BMW 520 | |
| Make | Austin | BMW |
| Model | Princess | 520 |
| Year Released | 1964 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 3993 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 119 HP | 123 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 251 Nm | 172 Nm |
| Torque RPM | 2000 RPM | 4350 RPM |
| Engine Compression Ratio | 8.5:1 | 9.3:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2180 kg | 1295 kg |
| Vehicle Length | 5470 mm | 4630 mm |
| Vehicle Width | 1900 mm | 1700 mm |
| Vehicle Height | 1780 mm | 1430 mm |
| Wheelbase Size | 3360 mm | 2640 mm |
| Fuel Tank Capacity | 72 L | 70 L |
