2003 Alfa Romeo 166 vs. 2012 Daihatsu Sirion
To start off, 2012 Daihatsu Sirion is newer by 9 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 2,387 cc (5 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (148 HP @ 4000 RPM) has 62 more horse power than 2012 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 2012 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, 2003 Alfa Romeo 166 (300 Nm @ 1800 RPM) has 179 more torque (in Nm) than 2012 Daihatsu Sirion. (121 Nm @ 3200 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2012 Daihatsu Sirion.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2012 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | 166 | Sirion |
| Year Released | 2003 | 2012 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1298 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 86 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 300 Nm | 121 Nm |
| Torque RPM | 1800 RPM | 3200 RPM |
| Engine Bore Size | 82 mm | 72 mm |
| Engine Stroke Size | 90.4 mm | 79.7 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 210 km/hour | 170 km/hour |
| Acceleration 0-100mph | 9.9 seconds | 11.3 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
