1973 Austin Allegro vs. 2001 Rover 75
To start off, 2001 Rover 75 is newer by 28 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 1,768 cc (4 cylinders), 2001 Rover 75 is equipped with a bigger engine. In terms of performance, 2001 Rover 75 (122 HP @ 5500 RPM) has 74 more horse power than 1973 Austin Allegro. (48 HP @ 5250 RPM) In normal driving conditions, 2001 Rover 75 should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 2001 Rover 75 weights approximately 675 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2001 Rover 75 (160 Nm @ 4000 RPM) has 79 more torque (in Nm) than 1973 Austin Allegro. (81 Nm @ 2450 RPM). This means 2001 Rover 75 will have an easier job in driving up hills or pulling heavy equipment than 1973 Austin Allegro.
Compare all specifications:
| 1973 Austin Allegro | 2001 Rover 75 | |
| Make | Austin | Rover |
| Model | Allegro | 75 |
| Year Released | 1973 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 1768 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 48 HP | 122 HP |
| Engine RPM | 5250 RPM | 5500 RPM |
| Torque | 81 Nm | 160 Nm |
| Torque RPM | 2450 RPM | 4000 RPM |
| Engine Bore Size | 64.6 mm | 80 mm |
| Engine Stroke Size | 83.7 mm | 89.3 mm |
| Engine Compression Ratio | 8.5:1 | 10.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 800 kg | 1475 kg |
| Vehicle Length | 3860 mm | 4800 mm |
| Vehicle Width | 1620 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2440 mm | 2830 mm |
