2009 Daihatsu Sirion vs. 1999 Opel Vectra
To start off, 2009 Daihatsu Sirion is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Opel Vectra. In addition, the cost of maintenance, including insurance, on 1999 Opel Vectra would be higher. At 1,998 cc (4 cylinders), 1999 Opel Vectra is equipped with a bigger engine. In terms of performance, 1999 Opel Vectra (134 HP @ 5600 RPM) has 32 more horse power than 2009 Daihatsu Sirion. (102 HP @ 6000 RPM) In normal driving conditions, 1999 Opel Vectra should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Vectra weights approximately 564 kg more than 2009 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 1999 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2009 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, 1999 Opel Vectra (187 Nm @ 3400 RPM) has 49 more torque (in Nm) than 2009 Daihatsu Sirion. (138 Nm @ 4400 RPM). This means 1999 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion. 2009 Daihatsu Sirion has automatic transmission and 1999 Opel Vectra has manual transmission. 1999 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Daihatsu Sirion | 1999 Opel Vectra | |
| Make | Daihatsu | Opel |
| Model | Sirion | Vectra |
| Year Released | 2009 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1495 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 102 HP | 134 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 138 Nm | 187 Nm |
| Torque RPM | 4400 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 906 kg | 1470 kg |
| Vehicle Length | 3640 mm | 4500 mm |
| Vehicle Width | 1670 mm | 1720 mm |
| Vehicle Height | 1560 mm | 1500 mm |
| Wheelbase Size | 2440 mm | 2650 mm |
