1951 Austin Princess vs. 1973 Austin Allegro
To start off, 1973 Austin Allegro is newer by 22 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, 1951 Austin Princess (124 HP @ 3800 RPM) has 76 more horse power than 1973 Austin Allegro. (48 HP @ 5250 RPM). In normal driving conditions, 1951 Austin Princess should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 1951 Austin Princess weights approximately 1155 kg more than 1973 Austin Allegro. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1951 Austin Princess is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1951 Austin Princess. However, in wet, icy, snow, or gravel driving conditions, 1973 Austin Allegro, being front wheel drive (FWD), will offer much better control with better grip. 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, 1951 Austin Princess (288 Nm @ 2200 RPM) has 207 more torque (in Nm) than 1973 Austin Allegro. (81 Nm @ 2450 RPM). This means 1951 Austin Princess will have an easier job in driving up hills or pulling heavy equipment than 1973 Austin Allegro.
Compare all specifications:
| 1951 Austin Princess | 1973 Austin Allegro | |
| Make | Austin | Austin |
| Model | Princess | Allegro |
| Year Released | 1951 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 3990 cc | 1098 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 124 HP | 48 HP |
| Engine RPM | 3800 RPM | 5250 RPM |
| Torque | 288 Nm | 81 Nm |
| Torque RPM | 2200 RPM | 2450 RPM |
| Engine Bore Size | 87.3 mm | 64.6 mm |
| Engine Stroke Size | 111.1 mm | 83.7 mm |
| Engine Compression Ratio | 6.8:1 | 8.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1955 kg | 800 kg |
| Vehicle Length | 4880 mm | 3860 mm |
| Vehicle Width | 1860 mm | 1620 mm |
| Vehicle Height | 1710 mm | 1400 mm |
| Wheelbase Size | 3030 mm | 2440 mm |
| Fuel Tank Capacity | 34 L | 47 L |
