2006 Alfa Romeo 147 vs. 2011 Daihatsu Sirion
To start off, 2011 Daihatsu Sirion is newer by 5 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 147 would be higher. At 1,968 cc (4 cylinders), 2006 Alfa Romeo 147 is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo 147 (148 HP @ 6300 RPM) has 79 more horse power than 2011 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 2006 Alfa Romeo 147 should accelerate faster than 2011 Daihatsu Sirion.
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 147 (181 Nm @ 3800 RPM) has 87 more torque (in Nm) than 2011 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2006 Alfa Romeo 147 will have an easier job in driving up hills or pulling heavy equipment than 2011 Daihatsu Sirion.
Compare all specifications:
| 2006 Alfa Romeo 147 | 2011 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | 147 | Sirion |
| Year Released | 2006 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 998 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 69 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 181 Nm | 94 Nm |
| Torque RPM | 3800 RPM | 3600 RPM |
| Engine Bore Size | 83 mm | 71.1 mm |
| Engine Stroke Size | 91 mm | 84 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 9.3 seconds | 13.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
