1974 Austin Allegro vs. 1977 BMW 728
To start off, 1977 BMW 728 is newer by 3 year(s). Which means there will be less support and parts availability for 1974 Austin Allegro. In addition, the cost of maintenance, including insurance, on 1974 Austin Allegro would be higher. At 2,788 cc (6 cylinders), 1977 BMW 728 is equipped with a bigger engine. In terms of performance, 1977 BMW 728 (170 HP @ 6000 RPM) has 126 more horse power than 1974 Austin Allegro. (44 HP @ 5250 RPM) In normal driving conditions, 1977 BMW 728 should accelerate faster than 1974 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 728 weights approximately 721 kg more than 1974 Austin Allegro. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1977 BMW 728 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 728. However, in wet, icy, snow, or gravel driving conditions, 1974 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 728 (235 Nm @ 3700 RPM) has 161 more torque (in Nm) than 1974 Austin Allegro. (74 Nm @ 2900 RPM). This means 1977 BMW 728 will have an easier job in driving up hills or pulling heavy equipment than 1974 Austin Allegro.
Compare all specifications:
| 1974 Austin Allegro | 1977 BMW 728 | |
| Make | Austin | BMW |
| Model | Allegro | 728 |
| Year Released | 1974 | 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 | 44 HP | 170 HP |
| Engine RPM | 5250 RPM | 6000 RPM |
| Torque | 74 Nm | 235 Nm |
| Torque RPM | 2900 RPM | 3700 RPM |
| Engine Bore Size | 64.6 mm | 86 mm |
| Engine Stroke Size | 83.7 mm | 80 mm |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 815 kg | 1536 kg |
| Vehicle Length | 3200 mm | 4870 mm |
| Vehicle Width | 1620 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2450 mm | 2800 mm |
| Fuel Tank Capacity | 48 L | 85 L |
