2005 Daihatsu Sirion vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2005 Daihatsu Sirion 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 (197 HP @ 5600 RPM) has 125 more horse power than 2005 Daihatsu Sirion. (72 HP @ 5200 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 2005 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 535 kg more than 2005 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 (262 Nm @ 4200 RPM) has 160 more torque (in Nm) than 2005 Daihatsu Sirion. (102 Nm @ 3600 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2005 Daihatsu Sirion.
Compare all specifications:
| 2005 Daihatsu Sirion | 2007 Opel Astra | |
| Make | Daihatsu | Opel |
| Model | Sirion | Astra |
| Year Released | 2005 | 2007 |
| 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 |
| Horse Power | 72 HP | 197 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 102 Nm | 262 Nm |
| Torque RPM | 3600 RPM | 4200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 850 kg | 1385 kg |
| Vehicle Length | 3680 mm | 4260 mm |
| Vehicle Width | 1600 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2350 mm | 2620 mm |
