2006 Alfa Romeo 156 vs. 2008 Daihatsu Sirion
To start off, 2008 Daihatsu Sirion is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 156 would be higher. At 1,910 cc (4 cylinders), 2006 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo 156 (114 HP @ 4000 RPM) has 57 more horse power than 2008 Daihatsu Sirion. (57 HP @ 6000 RPM). In normal driving conditions, 2006 Alfa Romeo 156 should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 156 weights approximately 418 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, 2006 Alfa Romeo 156 (275 Nm @ 2000 RPM) has 187 more torque (in Nm) than 2008 Daihatsu Sirion. (88 Nm @ 3600 RPM). This means 2006 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion.
Compare all specifications:
| 2006 Alfa Romeo 156 | 2008 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | 156 | Sirion |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 989 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 114 HP | 57 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 275 Nm | 88 Nm |
| Torque RPM | 2000 RPM | 3600 RPM |
| Engine Bore Size | 82 mm | 72 mm |
| Engine Stroke Size | 90.4 mm | 81 mm |
| Engine Compression Ratio | 18.4:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 191 km/hour | 145 km/hour |
| Acceleration 0-100mph | 10.3 seconds | 15.1 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 | 1308 kg | 890 kg |
| Vehicle Length | 4440 mm | 3700 mm |
| Vehicle Width | 1750 mm | 1600 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2600 mm | 2350 mm |
| Fuel Consumption Overall | 5.8 L/100km | 5.4 L/100km |
| Fuel Tank Capacity | 63 L | 40 L |
