2006 Daihatsu Sirion vs. 2011 Opel Astra
To start off, 2011 Opel Astra is newer by 5 year(s). Which means there will be less support and parts availability for 2006 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2006 Daihatsu Sirion would be higher. At 1,998 cc (4 cylinders), 2011 Opel Astra is equipped with a bigger engine. In terms of performance, 2011 Opel Astra (197 HP @ 5600 RPM) has 111 more horse power than 2006 Daihatsu Sirion. (86 HP @ 6000 RPM) In normal driving conditions, 2011 Opel Astra should accelerate faster than 2006 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2011 Opel Astra weights approximately 555 kg more than 2006 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, 2011 Opel Astra (262 Nm @ 4200 RPM) has 141 more torque (in Nm) than 2006 Daihatsu Sirion. (121 Nm @ 3200 RPM). This means 2011 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2006 Daihatsu Sirion.
Compare all specifications:
| 2006 Daihatsu Sirion | 2011 Opel Astra | |
| Make | Daihatsu | Opel |
| Model | Sirion | Astra |
| Year Released | 2006 | 2011 |
| 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 | 86 HP | 197 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 121 Nm | 262 Nm |
| Torque RPM | 3200 RPM | 4200 RPM |
| Engine Bore Size | 72 mm | 86.1 mm |
| Engine Stroke Size | 79.7 mm | 86 mm |
| Fuel Type | Gasoline - Premium | 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 | 830 kg | 1385 kg |
| Vehicle Length | 3400 mm | 4260 mm |
| Vehicle Height | 1250 mm | 1470 mm |
| Wheelbase Size | 2440 mm | 2620 mm |
| Fuel Consumption Overall | 7.8 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 40 L | 52 L |
