2008 Opel Astra 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 Astra. In addition, the cost of maintenance, including insurance, on 2008 Opel Astra 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 138 more horse power than 2008 Opel Astra. (104 HP @ 6000 RPM) In normal driving conditions, 2009 Porsche Cayman should accelerate faster than 2008 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche Cayman weights approximately 15 kg more than 2008 Opel Astra. 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 Astra, 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 123 more torque (in Nm) than 2008 Opel Astra. (150 Nm @ 3900 RPM). This means 2009 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra.
Compare all specifications:
| 2008 Opel Astra | 2009 Porsche Cayman | |
| Make | Opel | Porsche |
| Model | Astra | Cayman |
| Year Released | 2008 | 2009 |
| Engine Position | Front | Middle |
| Engine Size | 1596 cc | 2687 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 104 HP | 242 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 150 Nm | 273 Nm |
| Torque RPM | 3900 RPM | 4600 RPM |
| Engine Bore Size | 79 mm | 85.5 mm |
| Engine Stroke Size | 81.5 mm | 78 mm |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 186 km/hour | 258 km/hour |
| Acceleration 0-100mph | 14.1 seconds | 6.1 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1515 kg | 1530 kg |
| Vehicle Length | 4480 mm | 4350 mm |
| Vehicle Width | 2030 mm | 1310 mm |
| Vehicle Height | 1840 mm | 1810 mm |
| Wheelbase Size | 2620 mm | 2420 mm |
| Fuel Consumption Overall | 7 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 52 L | 64 L |
