2011 Daihatsu Sirion vs. 2012 Opel Astra
To start off, 2012 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2011 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2011 Daihatsu Sirion would be higher. At 1,998 cc (4 cylinders), 2012 Opel Astra is equipped with a bigger engine. In terms of performance, 2012 Opel Astra (197 HP @ 5400 RPM) has 128 more horse power than 2011 Daihatsu Sirion. (69 HP @ 6000 RPM) In normal driving conditions, 2012 Opel Astra should accelerate faster than 2011 Daihatsu Sirion.
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, 2012 Opel Astra (262 Nm @ 4200 RPM) has 168 more torque (in Nm) than 2011 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2012 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2011 Daihatsu Sirion.
Compare all specifications:
| 2011 Daihatsu Sirion | 2012 Opel Astra | |
| Make | Daihatsu | Opel |
| Model | Sirion | Astra |
| Year Released | 2011 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 998 cc | 1998 cc |
| Engine Cylinders | 3 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 69 HP | 197 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 94 Nm | 262 Nm |
| Torque RPM | 3600 RPM | 4200 RPM |
| Engine Compression Ratio | 10.5:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 13.9 seconds | 8.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
