2008 Alfa Romeo 166 vs. 2006 Daihatsu Sirion
To start off, 2008 Alfa Romeo 166 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2006 Daihatsu Sirion would be higher. At 2,387 cc (5 cylinders), 2008 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2008 Alfa Romeo 166 (178 HP @ 4000 RPM) has 109 more horse power than 2006 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 2008 Alfa Romeo 166 should accelerate faster than 2006 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2008 Alfa Romeo 166 weights approximately 725 kg more than 2006 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, 2008 Alfa Romeo 166 (386 Nm @ 2000 RPM) has 292 more torque (in Nm) than 2006 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2008 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2006 Daihatsu Sirion.
Compare all specifications:
| 2008 Alfa Romeo 166 | 2006 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | 166 | Sirion |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 998 cc |
| Engine Cylinders | 5 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 69 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 386 Nm | 94 Nm |
| Torque RPM | 2000 RPM | 3600 RPM |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 222 km/hour | 155 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 13.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1615 kg | 890 kg |
| Vehicle Length | 4730 mm | 3610 mm |
| Vehicle Width | 1810 mm | 1670 mm |
| Vehicle Height | 1420 mm | 1560 mm |
| Wheelbase Size | 2710 mm | 2440 mm |
| Fuel Consumption Overall | 7.5 L/100km | 5 L/100km |
| Fuel Tank Capacity | 69 L | 40 L |
