1972 Austin Allegro vs. 1951 Bristol 401
To start off, 1972 Austin Allegro is newer by 21 year(s). Which means there will be less support and parts availability for 1951 Bristol 401. In addition, the cost of maintenance, including insurance, on 1951 Bristol 401 would be higher. At 1,970 cc (6 cylinders), 1951 Bristol 401 is equipped with a bigger engine. In terms of performance, 1951 Bristol 401 (72 HP @ 4500 RPM) has 15 more horse power than 1972 Austin Allegro. (57 HP @ 5250 RPM) In normal driving conditions, 1951 Bristol 401 should accelerate faster than 1972 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 1951 Bristol 401 weights approximately 395 kg more than 1972 Austin Allegro. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1951 Bristol 401 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 Bristol 401. However, in wet, icy, snow, or gravel driving conditions, 1972 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 Bristol 401 (145 Nm @ 3500 RPM) has 52 more torque (in Nm) than 1972 Austin Allegro. (93 Nm @ 3000 RPM). This means 1951 Bristol 401 will have an easier job in driving up hills or pulling heavy equipment than 1972 Austin Allegro.
Compare all specifications:
| 1972 Austin Allegro | 1951 Bristol 401 | |
| Make | Austin | Bristol |
| Model | Allegro | 401 |
| Year Released | 1972 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 1275 cc | 1970 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 57 HP | 72 HP |
| Engine RPM | 5250 RPM | 4500 RPM |
| Torque | 93 Nm | 145 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 70.6 mm | 66 mm |
| Engine Stroke Size | 81.3 mm | 96 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 830 kg | 1225 kg |
| Vehicle Length | 3200 mm | 4870 mm |
| Vehicle Width | 1620 mm | 1710 mm |
| Vehicle Height | 1400 mm | 1530 mm |
| Wheelbase Size | 2450 mm | 2900 mm |
