1999 Daihatsu Sirion vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 1999 Daihatsu Sirion would be higher. At 1,248 cc (4 cylinders), 2006 Opel Astra is equipped with a bigger engine. In terms of performance, 2006 Opel Astra (89 HP @ 4000 RPM) has 36 more horse power than 1999 Daihatsu Sirion. (53 HP @ 5200 RPM) In normal driving conditions, 2006 Opel Astra should accelerate faster than 1999 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Astra weights approximately 440 kg more than 1999 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2006 Opel Astra. In wet, icy, snow, or gravel driving conditions, 1999 Daihatsu Sirion will offer significantly more control. 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, 2006 Opel Astra (201 Nm @ 1750 RPM) has 113 more torque (in Nm) than 1999 Daihatsu Sirion. (88 Nm @ 3600 RPM). This means 2006 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Sirion.
Compare all specifications:
| 1999 Daihatsu Sirion | 2006 Opel Astra | |
| Make | Daihatsu | Opel |
| Model | Sirion | Astra |
| Year Released | 1999 | 2006 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 988 cc | 1248 cc |
| Engine Cylinders | 3 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 53 HP | 89 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 88 Nm | 201 Nm |
| Torque RPM | 3600 RPM | 1750 RPM |
| Engine Bore Size | 71.9 mm | 69.6 mm |
| Engine Stroke Size | 81 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 890 kg | 1330 kg |
| Vehicle Length | 3680 mm | 4300 mm |
| Vehicle Width | 1600 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1440 mm |
| Wheelbase Size | 2350 mm | 2620 mm |
| Fuel Tank Capacity | 37 L | 52 L |
