2006 Opel Astra vs. 2005 Porsche Carrera GT
To start off, 2006 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Porsche Carrera GT. In addition, the cost of maintenance, including insurance, on 2005 Porsche Carrera GT would be higher. At 5,733 cc (10 cylinders), 2005 Porsche Carrera GT is equipped with a bigger engine. In terms of performance, 2005 Porsche Carrera GT (604 HP @ 8000 RPM) has 456 more horse power than 2006 Opel Astra. (148 HP @ 4000 RPM) In normal driving conditions, 2005 Porsche Carrera GT should accelerate faster than 2006 Opel Astra.
Because 2005 Porsche Carrera GT 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 2005 Porsche Carrera GT. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2005 Porsche Carrera GT (590 Nm @ 5750 RPM) has 270 more torque (in Nm) than 2006 Opel Astra. (320 Nm @ 2000 RPM). This means 2005 Porsche Carrera GT will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2006 Opel Astra | 2005 Porsche Carrera GT | |
| Make | Opel | Porsche |
| Model | Astra | Carrera GT |
| Year Released | 2006 | 2005 |
| Engine Position | Front | Middle |
| Engine Size | 1910 cc | 5733 cc |
| Engine Cylinders | 4 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 604 HP |
| Engine RPM | 4000 RPM | 8000 RPM |
| Torque | 320 Nm | 590 Nm |
| Torque RPM | 2000 RPM | 5750 RPM |
| Engine Bore Size | 83 mm | 98 mm |
| Engine Stroke Size | 92 mm | 76 mm |
| Engine Compression Ratio | 17.5:1 | 12.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | Rear |
| Number of Seats | 4 seats | 2 seats |
| Vehicle Width | 1760 mm | 1930 mm |
