2003 Opel Vectra vs. 2006 Subaru Impreza
To start off, 2006 Subaru Impreza is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 2,458 cc (4 cylinders), 2006 Subaru Impreza is equipped with a bigger engine. In terms of performance, 2006 Subaru Impreza (231 HP @ 5600 RPM) has 106 more horse power than 2003 Opel Vectra. (125 HP @ 4000 RPM) In normal driving conditions, 2006 Subaru Impreza should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Subaru Impreza weights approximately 73 kg more than 2003 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Subaru Impreza is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2006 Subaru Impreza 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 Subaru Impreza (319 Nm @ 3600 RPM) has 39 more torque (in Nm) than 2003 Opel Vectra. (280 Nm @ 1500 RPM). This means 2006 Subaru Impreza will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2003 Opel Vectra | 2006 Subaru Impreza | |
| Make | Opel | Subaru |
| Model | Vectra | Impreza |
| Year Released | 2003 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2169 cc | 2458 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 125 HP | 231 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 280 Nm | 319 Nm |
| Torque RPM | 1500 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 89 mm |
| Engine Stroke Size | 98 mm | 74.9 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1560 kg | 1633 kg |
| Vehicle Length | 4830 mm | 4470 mm |
| Vehicle Width | 1800 mm | 1750 mm |
| Vehicle Height | 1510 mm | 1450 mm |
