2003 Alfa Romeo 147 vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 147 would be higher. At 1,598 cc (4 cylinders), 2003 Alfa Romeo 147 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 147 (104 HP @ 5600 RPM) has 18 more horse power than 2009 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 2003 Alfa Romeo 147 should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 147 weights approximately 325 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 2003 Alfa Romeo 147. 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, 2003 Alfa Romeo 147 (140 Nm @ 4200 RPM) has 20 more torque (in Nm) than 2009 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2003 Alfa Romeo 147 will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion. 2009 Daihatsu Sirion has automatic transmission and 2003 Alfa Romeo 147 has manual transmission. 2003 Alfa Romeo 147 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:
| 2003 Alfa Romeo 147 | 2009 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | 147 | Sirion |
| Year Released | 2003 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 104 HP | 86 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 140 Nm | 120 Nm |
| Torque RPM | 4200 RPM | 3200 RPM |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 180 km/hour | 170 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1265 kg | 940 kg |
| Vehicle Length | 4180 mm | 3610 mm |
| Vehicle Width | 1740 mm | 1560 mm |
| Vehicle Height | 1450 mm | 1670 mm |
| Wheelbase Size | 2550 mm | 2440 mm |
| Fuel Consumption Overall | 8.1 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 63 L | 40 L |
