2005 Opel Astra vs. 2004 Porsche 911
To start off, 2005 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Porsche 911. In addition, the cost of maintenance, including insurance, on 2004 Porsche 911 would be higher. At 3,589 cc (6 cylinders), 2004 Porsche 911 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (317 HP @ 6000 RPM) has 172 more horse power than 2005 Opel Astra. (145 HP @ 6000 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Porsche 911 weights approximately 267 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 2004 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2004 Porsche 911 will offer significantly more control. 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, 2004 Porsche 911 (370 Nm) has 167 more torque (in Nm) than 2005 Opel Astra. (203 Nm). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2005 Opel Astra | 2004 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Astra | 911 |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2172 cc | 3589 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 145 HP | 317 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 203 Nm | 370 Nm |
| Engine Compression Ratio | 10.0:1 | 11.3:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1215 kg | 1482 kg |
| Wheelbase Size | 2740 mm | 2360 mm |
| Fuel Consumption Overall | 8.4 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 52 L | 64 L |
