1973 Austin Allegro vs. 2008 Daihatsu Sirion
To start off, 2008 Daihatsu Sirion is newer by 35 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 1,298 cc (4 cylinders), 2008 Daihatsu Sirion is equipped with a bigger engine. In terms of performance, 2008 Daihatsu Sirion (101 HP @ 3600 RPM) has 53 more horse power than 1973 Austin Allegro. (48 HP @ 5250 RPM) In normal driving conditions, 2008 Daihatsu Sirion should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 2008 Daihatsu Sirion weights approximately 140 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, 2008 Daihatsu Sirion (140 Nm @ 4600 RPM) has 59 more torque (in Nm) than 1973 Austin Allegro. (81 Nm @ 2450 RPM). This means 2008 Daihatsu Sirion will have an easier job in driving up hills or pulling heavy equipment than 1973 Austin Allegro.
Compare all specifications:
| 1973 Austin Allegro | 2008 Daihatsu Sirion | |
| Make | Austin | Daihatsu |
| Model | Allegro | Sirion |
| Year Released | 1973 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 48 HP | 101 HP |
| Engine RPM | 5250 RPM | 3600 RPM |
| Torque | 81 Nm | 140 Nm |
| Torque RPM | 2450 RPM | 4600 RPM |
| Engine Bore Size | 64.6 mm | 72 mm |
| Engine Stroke Size | 83.7 mm | 79.7 mm |
| Engine Compression Ratio | 8.5:1 | 10.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 800 kg | 940 kg |
| Vehicle Length | 3860 mm | 3610 mm |
| Vehicle Width | 1620 mm | 1560 mm |
| Vehicle Height | 1400 mm | 1670 mm |
| Wheelbase Size | 2440 mm | 2440 mm |
| Fuel Tank Capacity | 47 L | 40 L |
