1963 Austin Princess vs. 1976 BMW 633
To start off, 1976 BMW 633 is newer by 13 year(s). Which means there will be less support and parts availability for 1963 Austin Princess. In addition, the cost of maintenance, including insurance, on 1963 Austin Princess would be higher. At 3,992 cc (6 cylinders), 1963 Austin Princess is equipped with a bigger engine. In terms of performance, 1976 BMW 633 (197 HP @ 5500 RPM) has 79 more horse power than 1963 Austin Princess. (118 HP @ 4000 RPM) In normal driving conditions, 1976 BMW 633 should accelerate faster than 1963 Austin Princess. With that said, vehicle weight also plays an important factor in acceleration. 1963 Austin Princess weights approximately 710 kg more than 1976 BMW 633.
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, 1976 BMW 633 (285 Nm @ 4250 RPM) has 34 more torque (in Nm) than 1963 Austin Princess. (251 Nm @ 2000 RPM). This means 1976 BMW 633 will have an easier job in driving up hills or pulling heavy equipment than 1963 Austin Princess.
Compare all specifications:
| 1963 Austin Princess | 1976 BMW 633 | |
| Make | Austin | BMW |
| Model | Princess | 633 |
| Year Released | 1963 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 3992 cc | 3210 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 118 HP | 197 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 251 Nm | 285 Nm |
| Torque RPM | 2000 RPM | 4250 RPM |
| Engine Compression Ratio | 8.5:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2180 kg | 1470 kg |
| Vehicle Length | 5470 mm | 4760 mm |
| Vehicle Width | 1900 mm | 1760 mm |
| Vehicle Height | 1780 mm | 1390 mm |
| Wheelbase Size | 3360 mm | 2630 mm |
| Fuel Tank Capacity | 45 L | 70 L |
