2005 Opel Astra vs. 2009 Porsche Cayman
To start off, 2009 Porsche Cayman is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 3,385 cc, 2009 Porsche Cayman is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayman (291 HP @ 6250 RPM) has 161 more horse power than 2005 Opel Astra. (130 HP @ 4500 RPM) In normal driving conditions, 2009 Porsche Cayman should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche Cayman weights approximately 322 kg more than 2005 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, 2005 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 (340 Nm @ 4400 RPM) has 174 more torque (in Nm) than 2005 Opel Astra. (166 Nm @ 4400 RPM). This means 2009 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2005 Opel Astra | 2009 Porsche Cayman | |
| Make | Opel | Porsche |
| Model | Astra | Cayman |
| Year Released | 2005 | 2009 |
| Engine Position | Front | Middle |
| Engine Size | 1796 cc | 3385 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 130 HP | 291 HP |
| Engine RPM | 4500 RPM | 6250 RPM |
| Torque | 166 Nm | 340 Nm |
| Torque RPM | 4400 RPM | 4400 RPM |
| Engine Bore Size | 80.5 mm | 96.3 mm |
| Engine Stroke Size | 88.2 mm | 78.3 mm |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1103 kg | 1425 kg |
| Wheelbase Size | 2710 mm | 2420 mm |
| Fuel Tank Capacity | 52 L | 64 L |
