2003 Opel Vectra vs. 2006 Porsche Cayenne
To start off, 2006 Porsche Cayenne 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 4,511 cc (8 cylinders), 2006 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2006 Porsche Cayenne (335 HP @ 6000 RPM) has 182 more horse power than 2003 Opel Vectra. (153 HP @ 5600 RPM) In normal driving conditions, 2006 Porsche Cayenne should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 130 kg more than 2006 Porsche Cayenne.
Because 2006 Porsche Cayenne 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 Porsche Cayenne 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 Porsche Cayenne (420 Nm @ 2700 RPM) has 191 more torque (in Nm) than 2003 Opel Vectra. (229 Nm @ 3800 RPM). This means 2006 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2003 Opel Vectra | 2006 Porsche Cayenne | |
| Make | Opel | Porsche |
| Model | Vectra | Cayenne |
| Year Released | 2003 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2172 cc | 4511 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 335 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 229 Nm | 420 Nm |
| Torque RPM | 3800 RPM | 2700 RPM |
| Engine Bore Size | 86 mm | 98 mm |
| Engine Stroke Size | 94.6 mm | 76 mm |
| Engine Compression Ratio | 9.5:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1510 kg | 1380 kg |
| Vehicle Length | 4830 mm | 4790 mm |
| Vehicle Width | 1800 mm | 1930 mm |
| Vehicle Height | 1510 mm | 1710 mm |
