2003 Opel Vectra vs. 2011 Porsche Cayman
To start off, 2011 Porsche Cayman is newer by 8 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 3,400 cc (6 cylinders), 2011 Porsche Cayman is equipped with a bigger engine. In terms of performance, 2011 Porsche Cayman (320 HP @ 7200 RPM) has 195 more horse power than 2003 Opel Vectra. (125 HP @ 4000 RPM) In normal driving conditions, 2011 Porsche Cayman should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 210 kg more than 2011 Porsche Cayman.
Because 2011 Porsche Cayman is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2011 Porsche Cayman. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Vectra, being front wheel drive (FWD), will offer much better control with better grip. 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, 2011 Porsche Cayman (370 Nm @ 4750 RPM) has 90 more torque (in Nm) than 2003 Opel Vectra. (280 Nm @ 1500 RPM). This means 2011 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2003 Opel Vectra | 2011 Porsche Cayman | |
| Make | Opel | Porsche |
| Model | Vectra | Cayman |
| Year Released | 2003 | 2011 |
| Engine Position | Front | Middle |
| Engine Size | 2169 cc | 3400 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 125 HP | 320 HP |
| Engine RPM | 4000 RPM | 7200 RPM |
| Torque | 280 Nm | 370 Nm |
| Torque RPM | 1500 RPM | 4750 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1560 kg | 1350 kg |
| Vehicle Length | 4830 mm | 4376 mm |
| Vehicle Width | 1800 mm | 1801 mm |
| Vehicle Height | 1510 mm | 1306 mm |
