1973 Austin Allegro vs. 1977 BMW 528
To start off, 1977 BMW 528 is newer by 4 year(s). Which means there will be less support and parts availability for 1973 Austin Allegro. In addition, the cost of maintenance, including insurance, on 1973 Austin Allegro would be higher. At 2,788 cc (6 cylinders), 1977 BMW 528 is equipped with a bigger engine. In terms of performance, 1977 BMW 528 (178 HP @ 5800 RPM) has 130 more horse power than 1973 Austin Allegro. (48 HP @ 5250 RPM) In normal driving conditions, 1977 BMW 528 should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 528 weights approximately 616 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 1977 BMW 528 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 1977 BMW 528. 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, 1977 BMW 528 (234 Nm @ 4300 RPM) has 153 more torque (in Nm) than 1973 Austin Allegro. (81 Nm @ 2450 RPM). This means 1977 BMW 528 will have an easier job in driving up hills or pulling heavy equipment than 1973 Austin Allegro.
Compare all specifications:
| 1973 Austin Allegro | 1977 BMW 528 | |
| Make | Austin | BMW |
| Model | Allegro | 528 |
| Year Released | 1973 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 2788 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 48 HP | 178 HP |
| Engine RPM | 5250 RPM | 5800 RPM |
| Torque | 81 Nm | 234 Nm |
| Torque RPM | 2450 RPM | 4300 RPM |
| Engine Bore Size | 64.6 mm | 86 mm |
| Engine Stroke Size | 83.7 mm | 80 mm |
| Engine Compression Ratio | 8.5:1 | 9.0:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 800 kg | 1416 kg |
| Vehicle Length | 3860 mm | 4620 mm |
| Vehicle Width | 1620 mm | 1700 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2440 mm | 2640 mm |
| Fuel Tank Capacity | 47 L | 70 L |
