2005 Alfa Romeo 156 vs. 2010 Daihatsu Sirion
To start off, 2010 Daihatsu Sirion is newer by 5 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 2,490 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (185 HP @ 5000 RPM) has 116 more horse power than 2010 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 2010 Daihatsu Sirion.
Because 2010 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2010 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, 2005 Alfa Romeo 156 (221 Nm @ 5000 RPM) has 127 more torque (in Nm) than 2010 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2010 Daihatsu Sirion.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2010 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | 156 | Sirion |
| Year Released | 2005 | 2010 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2490 cc | 998 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 69 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 221 Nm | 94 Nm |
| Torque RPM | 5000 RPM | 3600 RPM |
| Engine Bore Size | 88 mm | 71.1 mm |
| Engine Stroke Size | 68.3 mm | 84 mm |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Acceleration 0-100mph | 8.4 seconds | 13.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
