2008 Daihatsu Sirion vs. 2007 Opel Astra
To start off, 2008 Daihatsu Sirion is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Opel Astra. In addition, the cost of maintenance, including insurance, on 2007 Opel Astra would be higher. At 1,998 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (168 HP @ 5200 RPM) has 111 more horse power than 2008 Daihatsu Sirion. (57 HP @ 6000 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 495 kg more than 2008 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2007 Opel Astra (251 Nm @ 1950 RPM) has 163 more torque (in Nm) than 2008 Daihatsu Sirion. (88 Nm @ 3600 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion.
Compare all specifications:
| 2008 Daihatsu Sirion | 2007 Opel Astra | |
| Make | Daihatsu | Opel |
| Model | Sirion | Astra |
| Year Released | 2008 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 989 cc | 1998 cc |
| Engine Cylinders | 3 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 57 HP | 168 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 88 Nm | 251 Nm |
| Torque RPM | 3600 RPM | 1950 RPM |
| Engine Bore Size | 72 mm | 86 mm |
| Engine Stroke Size | 81 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 145 km/hour | 217 km/hour |
| Acceleration 0-100mph | 15.1 seconds | 8.7 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 890 kg | 1385 kg |
| Vehicle Length | 3700 mm | 4480 mm |
| Vehicle Width | 1600 mm | 2030 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2350 mm | 2620 mm |
| Fuel Consumption Overall | 5.4 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 40 L | 52 L |
