2008 Daihatsu Sirion vs. 2005 Opel Astra
To start off, 2008 Daihatsu Sirion is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 1,908 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (100 HP @ 4300 RPM) has 14 more horse power than 2008 Daihatsu Sirion. (86 HP @ 6000 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 405 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, 2005 Opel Astra (230 Nm @ 1950 RPM) has 110 more torque (in Nm) than 2008 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion. 2008 Daihatsu Sirion has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Daihatsu Sirion | 2005 Opel Astra | |
| Make | Daihatsu | Opel |
| Model | Sirion | Astra |
| Year Released | 2008 | 2005 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1296 cc | 1908 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 86 HP | 100 HP |
| Engine RPM | 6000 RPM | 4300 RPM |
| Torque | 120 Nm | 230 Nm |
| Torque RPM | 3200 RPM | 1950 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 |
| Top Speed | 175 km/hour | 188 km/hour |
| Acceleration 0-100mph | 9.6 seconds | 12 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 940 kg | 1345 kg |
| Vehicle Length | 3400 mm | 4120 mm |
| Vehicle Height | 1250 mm | 1430 mm |
| Wheelbase Size | 2440 mm | 2610 mm |
| Fuel Tank Capacity | 40 L | 52 L |
