1981 Alfa Romeo Alfasud vs. 2008 Daihatsu Sirion
To start off, 2008 Daihatsu Sirion is newer by 27 year(s). Which means there will be less support and parts availability for 1981 Alfa Romeo Alfasud. In addition, the cost of maintenance, including insurance, on 1981 Alfa Romeo Alfasud would be higher. At 1,490 cc (4 cylinders), 1981 Alfa Romeo Alfasud is equipped with a bigger engine. In terms of performance, 1981 Alfa Romeo Alfasud (106 HP @ 6000 RPM) has 37 more horse power than 2008 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 1981 Alfa Romeo Alfasud should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1981 Alfa Romeo Alfasud weights approximately 40 kg more than 2008 Daihatsu Sirion. 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, 1981 Alfa Romeo Alfasud (133 Nm @ 4000 RPM) has 39 more torque (in Nm) than 2008 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 1981 Alfa Romeo Alfasud will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion.
Compare all specifications:
| 1981 Alfa Romeo Alfasud | 2008 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | Alfasud | Sirion |
| Year Released | 1981 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1490 cc | 998 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 106 HP | 69 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 133 Nm | 94 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 84.1 mm | 71 mm |
| Engine Stroke Size | 67.2 mm | 84 mm |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 930 kg | 890 kg |
| Vehicle Length | 4030 mm | 3610 mm |
| Vehicle Width | 1630 mm | 1670 mm |
| Vehicle Height | 1310 mm | 1560 mm |
| Wheelbase Size | 2470 mm | 2440 mm |
| Fuel Tank Capacity | 50 L | 40 L |
