2009 Daihatsu Sirion vs. 2004 Alfa Romeo 166
To start off, 2009 Daihatsu Sirion is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 166 would be higher. At 1,970 cc (6 cylinders), 2004 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo 166 (148 HP @ 6300 RPM) has 46 more horse power than 2009 Daihatsu Sirion. (102 HP @ 6000 RPM) In normal driving conditions, 2004 Alfa Romeo 166 should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 166 weights approximately 514 kg more than 2009 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2004 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2009 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, 2004 Alfa Romeo 166 (182 Nm @ 3800 RPM) has 44 more torque (in Nm) than 2009 Daihatsu Sirion. (138 Nm @ 4400 RPM). This means 2004 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion. 2009 Daihatsu Sirion has automatic transmission and 2004 Alfa Romeo 166 has manual transmission. 2004 Alfa Romeo 166 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Daihatsu Sirion | 2004 Alfa Romeo 166 | |
| Make | Daihatsu | Alfa Romeo |
| Model | Sirion | 166 |
| Year Released | 2009 | 2004 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1495 cc | 1970 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 102 HP | 148 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 138 Nm | 182 Nm |
| Torque RPM | 4400 RPM | 3800 RPM |
| Top Speed | 180 km/hour | 211 km/hour |
| Acceleration 0-100mph | 11.1 seconds | 9.8 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 906 kg | 1420 kg |
| Vehicle Length | 3640 mm | 4730 mm |
| Vehicle Width | 1670 mm | 1810 mm |
| Vehicle Height | 1560 mm | 1420 mm |
| Wheelbase Size | 2440 mm | 2600 mm |
| Fuel Consumption Overall | 6.7 L/100km | 9.7 L/100km |
| Fuel Tank Capacity | 40 L | 69 L |
