2008 Opel Vectra vs. 2009 Porsche Cayman
To start off, 2009 Porsche Cayman is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2008 Opel Vectra would be higher. At 2,687 cc, 2009 Porsche Cayman is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayman (242 HP @ 6500 RPM) has 89 more horse power than 2008 Opel Vectra. (153 HP @ 5600 RPM) In normal driving conditions, 2009 Porsche Cayman should accelerate faster than 2008 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche Cayman weights approximately 60 kg more than 2008 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 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 2009 Porsche Cayman. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 2009 Porsche Cayman (273 Nm @ 4600 RPM) has 53 more torque (in Nm) than 2008 Opel Vectra. (220 Nm @ 3800 RPM). This means 2009 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Vectra.
Compare all specifications:
| 2008 Opel Vectra | 2009 Porsche Cayman | |
| Make | Opel | Porsche |
| Model | Vectra | Cayman |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2198 cc | 2687 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 242 HP |
| Engine RPM | 5600 RPM | 6500 RPM |
| Torque | 220 Nm | 273 Nm |
| Torque RPM | 3800 RPM | 4600 RPM |
| Engine Bore Size | 86 mm | 85.5 mm |
| Engine Stroke Size | 94.6 mm | 78 mm |
| Engine Compression Ratio | 12.0:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 218 km/hour | 258 km/hour |
| Acceleration 0-100mph | 9.6 seconds | 6.1 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1470 kg | 1530 kg |
| Vehicle Length | 4600 mm | 4350 mm |
| Vehicle Width | 1800 mm | 1310 mm |
| Vehicle Height | 1470 mm | 1810 mm |
| Wheelbase Size | 2710 mm | 2420 mm |
| Fuel Consumption Overall | 7.9 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 61 L | 64 L |
