1973 Austin Allegro vs. 2006 Daihatsu Sirion
To start off, 2006 Daihatsu Sirion is newer by 33 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), 2006 Daihatsu Sirion is equipped with a bigger engine. In terms of performance, 2006 Daihatsu Sirion (86 HP @ 6000 RPM) has 38 more horse power than 1973 Austin Allegro. (48 HP @ 5250 RPM) In normal driving conditions, 2006 Daihatsu Sirion should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 2006 Daihatsu Sirion weights approximately 30 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, 2006 Daihatsu Sirion (121 Nm @ 3200 RPM) has 40 more torque (in Nm) than 1973 Austin Allegro. (81 Nm @ 2450 RPM). This means 2006 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 | 2006 Daihatsu Sirion | |
| Make | Austin | Daihatsu |
| Model | Allegro | Sirion |
| Year Released | 1973 | 2006 |
| 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 | 86 HP |
| Engine RPM | 5250 RPM | 6000 RPM |
| Torque | 81 Nm | 121 Nm |
| Torque RPM | 2450 RPM | 3200 RPM |
| Engine Bore Size | 64.6 mm | 72 mm |
| Engine Stroke Size | 83.7 mm | 79.7 mm |
| Top Speed | 134 km/hour | 180 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 800 kg | 830 kg |
| Vehicle Length | 3860 mm | 3400 mm |
| Vehicle Height | 1400 mm | 1250 mm |
| Wheelbase Size | 2440 mm | 2440 mm |
| Fuel Tank Capacity | 47 L | 40 L |
