2007 Opel Astra vs. 2004 Porsche Carrera GT
To start off, 2007 Opel Astra is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Porsche Carrera GT. In addition, the cost of maintenance, including insurance, on 2004 Porsche Carrera GT would be higher. At 5,736 cc (10 cylinders), 2004 Porsche Carrera GT is equipped with a bigger engine. In terms of performance, 2004 Porsche Carrera GT (605 HP @ 6000 RPM) has 408 more horse power than 2007 Opel Astra. (197 HP @ 5400 RPM) In normal driving conditions, 2004 Porsche Carrera GT should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 5 kg more than 2004 Porsche Carrera GT.
Let's talk about torque, 2004 Porsche Carrera GT (591 Nm) has 329 more torque (in Nm) than 2007 Opel Astra. (262 Nm). This means 2004 Porsche Carrera GT will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2007 Opel Astra | 2004 Porsche Carrera GT | |
| Make | Opel | Porsche |
| Model | Astra | Carrera GT |
| Year Released | 2007 | 2004 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 1998 cc | 5736 cc |
| Engine Cylinders | 4 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 605 HP |
| Engine RPM | 5400 RPM | 6000 RPM |
| Torque | 262 Nm | 591 Nm |
| Engine Bore Size | 86.1 mm | 98 mm |
| Engine Stroke Size | 86 mm | 76 mm |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1385 kg | 1380 kg |
| Vehicle Length | 4300 mm | 4620 mm |
| Vehicle Width | 1760 mm | 1930 mm |
| Vehicle Height | 1440 mm | 1170 mm |
| Wheelbase Size | 2620 mm | 2740 mm |
| Fuel Tank Capacity | 52 L | 92 L |
