1981 Alfa Romeo Alfasud vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 28 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 1,712 cc (4 cylinders), 1981 Alfa Romeo Alfasud is equipped with a bigger engine. In terms of performance, 1981 Alfa Romeo Alfasud (116 HP @ 5800 RPM) has 30 more horse power than 2009 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 1981 Alfa Romeo Alfasud should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2009 Daihatsu Sirion weights approximately 30 kg more than 1981 Alfa Romeo Alfasud.
Because 2009 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 1981 Alfa Romeo Alfasud. In wet, icy, snow, or gravel driving conditions, 2009 Daihatsu Sirion will offer significantly more control. 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 (147 Nm @ 3500 RPM) has 27 more torque (in Nm) than 2009 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 1981 Alfa Romeo Alfasud will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion. 2009 Daihatsu Sirion has automatic transmission and 1981 Alfa Romeo Alfasud has manual transmission. 1981 Alfa Romeo Alfasud will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 Alfa Romeo Alfasud | 2009 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | Alfasud | Sirion |
| Year Released | 1981 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1712 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 116 HP | 86 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 147 Nm | 120 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 910 kg | 940 kg |
| Vehicle Length | 4030 mm | 3610 mm |
| Vehicle Width | 1630 mm | 1560 mm |
| Vehicle Height | 1310 mm | 1670 mm |
| Wheelbase Size | 2470 mm | 2440 mm |
