2004 Daihatsu Sirion vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2004 Daihatsu Sirion would be higher. At 2,172 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (123 HP @ 4000 RPM) has 51 more horse power than 2004 Daihatsu Sirion. (72 HP @ 5200 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2004 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 535 kg more than 2004 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 (281 Nm @ 1500 RPM) has 180 more torque (in Nm) than 2004 Daihatsu Sirion. (101 Nm @ 3600 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2004 Daihatsu Sirion.
Compare all specifications:
| 2004 Daihatsu Sirion | 2005 Opel Astra | |
| Make | Daihatsu | Opel |
| Model | Sirion | Astra |
| Year Released | 2004 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1296 cc | 2172 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 72 HP | 123 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 101 Nm | 281 Nm |
| Torque RPM | 3600 RPM | 1500 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 850 kg | 1385 kg |
| Vehicle Length | 3680 mm | 4270 mm |
| Vehicle Width | 1600 mm | 1720 mm |
| Vehicle Height | 1460 mm | 1400 mm |
| Wheelbase Size | 2350 mm | 2530 mm |
