2008 Alfa Romeo 166 vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2008 Alfa Romeo 166 would be higher. At 3,179 cc (6 cylinders), 2008 Alfa Romeo 166 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 Alfa Romeo 166 weights approximately 637 kg more than 2009 Daihatsu Sirion.
Because 2009 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2008 Alfa Romeo 166. 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, 2008 Alfa Romeo 166 (289 Nm @ 4800 RPM) has 157 more torque (in Nm) than 2009 Daihatsu Sirion. (132 Nm @ 4400 RPM). This means 2008 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 2008 Alfa Romeo 166 | 2009 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | 166 | Sirion |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1495 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 0 HP | 102 HP |
| Torque | 289 Nm | 132 Nm |
| Torque RPM | 4800 RPM | 4400 RPM |
| Engine Bore Size | 93 mm | 72 mm |
| Engine Stroke Size | 78 mm | 91.8 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 245 km/hour | 185 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 10.8 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1542 kg | 905 kg |
| Vehicle Length | 4730 mm | 3640 mm |
| Vehicle Width | 1810 mm | 1670 mm |
| Vehicle Height | 1420 mm | 1560 mm |
| Wheelbase Size | 2710 mm | 2440 mm |
| Fuel Consumption Overall | 12.5 L/100km | 6.2 L/100km |
| Fuel Tank Capacity | 69 L | 40 L |
