2009 Daihatsu Sirion vs. 2003 Opel Astra
To start off, 2009 Daihatsu Sirion is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 1,998 cc (4 cylinders), 2003 Opel Astra is equipped with a bigger engine. In terms of performance, 2009 Daihatsu Sirion (90 HP @ 6000 RPM) has 8 more horse power than 2003 Opel Astra. (82 HP @ 4400 RPM). In normal driving conditions, 2009 Daihatsu Sirion should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Astra weights approximately 405 kg more than 2009 Daihatsu Sirion.
Because 2009 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Astra. 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 Opel Astra (185 Nm @ 1500 RPM) has 65 more torque (in Nm) than 2009 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 2003 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 2009 Daihatsu Sirion | 2003 Opel Astra | |
| Make | Daihatsu | Opel |
| Model | Sirion | Astra |
| Year Released | 2009 | 2003 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 90 HP | 82 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 120 Nm | 185 Nm |
| Torque RPM | 4400 RPM | 1500 RPM |
| Engine Bore Size | 72 mm | 84 mm |
| Engine Stroke Size | 79.7 mm | 90 mm |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 165 km/hour | 170 km/hour |
| Acceleration 0-100mph | 12 seconds | 15.5 seconds |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 980 kg | 1385 kg |
| Vehicle Length | 3610 mm | 4260 mm |
| Vehicle Width | 1670 mm | 1700 mm |
| Vehicle Height | 1560 mm | 1430 mm |
| Wheelbase Size | 2440 mm | 2620 mm |
| Fuel Tank Capacity | 38 L | 52 L |
