2002 Daihatsu Sirion vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2002 Daihatsu Sirion would be higher. At 1,910 cc (4 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (145 HP @ 4000 RPM) has 73 more horse power than 2002 Daihatsu Sirion. (72 HP @ 5200 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 2002 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 360 kg more than 2002 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2005 Opel Vectra (316 Nm @ 2000 RPM) has 215 more torque (in Nm) than 2002 Daihatsu Sirion. (101 Nm @ 3600 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2002 Daihatsu Sirion.
Compare all specifications:
| 2002 Daihatsu Sirion | 2005 Opel Vectra | |
| Make | Daihatsu | Opel |
| Model | Sirion | Vectra |
| Year Released | 2002 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 1910 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 72 HP | 145 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 101 Nm | 316 Nm |
| Torque RPM | 3600 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 850 kg | 1210 kg |
| Vehicle Length | 3680 mm | 4600 mm |
| Vehicle Width | 1600 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2350 mm | 2690 mm |
