2008 Opel Astra vs. 2005 Porsche 911
To start off, 2008 Opel Astra is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 3,600 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (456 HP @ 3500 RPM) has 357 more horse power than 2008 Opel Astra. (99 HP @ 4400 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2008 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 150 kg more than 2008 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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 2005 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2008 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 911 (620 Nm @ 3500 RPM) has 380 more torque (in Nm) than 2008 Opel Astra. (240 Nm @ 2300 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra.
Compare all specifications:
| 2008 Opel Astra | 2005 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Astra | 911 |
| Year Released | 2008 | 2005 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1684 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 99 HP | 456 HP |
| Engine RPM | 4400 RPM | 3500 RPM |
| Torque | 240 Nm | 620 Nm |
| Torque RPM | 2300 RPM | 3500 RPM |
| Engine Bore Size | 79 mm | 100 mm |
| Engine Stroke Size | 86 mm | 76.4 mm |
| Engine Compression Ratio | 18.4:1 | 9.4:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 182 km/hour | 315 km/hour |
| Acceleration 0-100mph | 12.2 seconds | 4.4 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1365 kg | 1515 kg |
| Vehicle Length | 4300 mm | 4460 mm |
| Vehicle Width | 1760 mm | 1840 mm |
| Vehicle Height | 1440 mm | 1280 mm |
| Wheelbase Size | 2620 mm | 2360 mm |
| Fuel Consumption Overall | 5 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 52 L | 89 L |
