2001 Alfa Romeo 146 vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 8 year(s). Which means there will be less support and parts availability for 2001 Alfa Romeo 146. In addition, the cost of maintenance, including insurance, on 2001 Alfa Romeo 146 would be higher. At 1,495 cc (4 cylinders), 2009 Daihatsu Sirion is equipped with a bigger engine. In terms of performance, both vehicles can yield 102 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2001 Alfa Romeo 146 weights approximately 255 kg more than 2009 Daihatsu Sirion.
Because 2009 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2001 Alfa Romeo 146. 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, 2009 Daihatsu Sirion (132 Nm @ 4400 RPM) has 8 more torque (in Nm) than 2001 Alfa Romeo 146. (124 Nm @ 4600 RPM). This means 2009 Daihatsu Sirion will have an easier job in driving up hills or pulling heavy equipment than 2001 Alfa Romeo 146.
Compare all specifications:
| 2001 Alfa Romeo 146 | 2009 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | 146 | Sirion |
| Year Released | 2001 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1370 cc | 1495 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 102 HP | 102 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 124 Nm | 132 Nm |
| Torque RPM | 4600 RPM | 4400 RPM |
| Engine Bore Size | 82.1 mm | 72 mm |
| Engine Stroke Size | 64.9 mm | 91.8 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1160 kg | 905 kg |
| Vehicle Length | 4270 mm | 3640 mm |
| Vehicle Width | 1720 mm | 1670 mm |
| Vehicle Height | 1430 mm | 1560 mm |
| Wheelbase Size | 2550 mm | 2440 mm |
| Fuel Tank Capacity | 51 L | 40 L |
