2009 Daihatsu Sirion vs. 2003 Vauxhall Vectra
To start off, 2009 Daihatsu Sirion is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Vauxhall Vectra. In addition, the cost of maintenance, including insurance, on 2003 Vauxhall Vectra would be higher. At 1,796 cc (4 cylinders), 2003 Vauxhall Vectra is equipped with a bigger engine. In terms of performance, 2003 Vauxhall Vectra (120 HP @ 5400 RPM) has 18 more horse power than 2009 Daihatsu Sirion. (102 HP @ 6000 RPM) In normal driving conditions, 2003 Vauxhall Vectra should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2003 Vauxhall Vectra weights approximately 571 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 2003 Vauxhall 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, 2003 Vauxhall Vectra (167 Nm @ 3800 RPM) has 35 more torque (in Nm) than 2009 Daihatsu Sirion. (132 Nm @ 4400 RPM). This means 2003 Vauxhall Vectra will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion. 2003 Vauxhall Vectra has automatic transmission and 2009 Daihatsu Sirion has manual transmission. 2009 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Vauxhall Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Daihatsu Sirion | 2003 Vauxhall Vectra | |
| Make | Daihatsu | Vauxhall |
| Model | Sirion | Vectra |
| Year Released | 2009 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1495 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 102 HP | 120 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 132 Nm | 167 Nm |
| Torque RPM | 4400 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 905 kg | 1476 kg |
| Vehicle Length | 3640 mm | 4830 mm |
| Vehicle Width | 1670 mm | 1800 mm |
| Vehicle Height | 1560 mm | 1510 mm |
