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 3,989 cc (6 cylinders), 2004 Porsche 911 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (476 HP @ 5700 RPM) has 353 more horse power than 2005 Opel Astra. (123 HP @ 5600 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 315 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 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 2004 Porsche 911. 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, 2004 Porsche 911 (640 Nm @ 3500 RPM) has 473 more torque (in Nm) than 2005 Opel Astra. (167 Nm @ 3800 RPM). 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 | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1796 cc | 3989 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 123 HP | 476 HP |
| Engine RPM | 5600 RPM | 5700 RPM |
| Torque | 167 Nm | 640 Nm |
| Torque RPM | 3800 RPM | 3500 RPM |
| Engine Compression Ratio | 10.5:1 | 9.4:1 |
| Acceleration 0-100mph | 10 seconds | 4 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1200 kg | 1515 kg |
| Wheelbase Size | 2740 mm | 2360 mm |
| Fuel Tank Capacity | 52 L | 89 L |
