1998 Daihatsu Sirion vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 1998 Daihatsu Sirion would be higher. At 1,909 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (118 HP @ 3500 RPM) has 18 more horse power than 1998 Daihatsu Sirion. (100 HP @ 7000 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 1998 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 495 kg more than 1998 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1998 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2007 Opel Astra. In wet, icy, snow, or gravel driving conditions, 1998 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, 2007 Opel Astra (280 Nm @ 2000 RPM) has 160 more torque (in Nm) than 1998 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1998 Daihatsu Sirion.
Compare all specifications:
| 1998 Daihatsu Sirion | 2007 Opel Astra | |
| Make | Daihatsu | Opel |
| Model | Sirion | Astra |
| Year Released | 1998 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 1909 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 118 HP |
| Engine RPM | 7000 RPM | 3500 RPM |
| Torque | 120 Nm | 280 Nm |
| Torque RPM | 4400 RPM | 2000 RPM |
| Engine Bore Size | 72 mm | 82 mm |
| Engine Stroke Size | 79.7 mm | 90.4 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 900 kg | 1395 kg |
| Vehicle Length | 3680 mm | 4480 mm |
| Vehicle Width | 1600 mm | 2030 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2350 mm | 2620 mm |
| Fuel Tank Capacity | 37 L | 52 L |
