2005 Opel Astra vs. 2005 Porsche 911
To start off, both 2005 Opel Astra and 2005 Porsche 911 were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,596 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (414 HP @ 6000 RPM) has 291 more horse power than 2005 Opel Astra. (123 HP @ 5600 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 342 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 2005 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, 2005 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, 2005 Porsche 911 (560 Nm @ 2700 RPM) has 390 more torque (in Nm) than 2005 Opel Astra. (170 Nm @ 3800 RPM). This means 2005 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 | 2005 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Astra | 911 |
| Year Released | 2005 | 2005 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1796 cc | 3596 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 123 HP | 414 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 170 Nm | 560 Nm |
| Torque RPM | 3800 RPM | 2700 RPM |
| Engine Bore Size | 80.6 mm | 100 mm |
| Engine Stroke Size | 88.2 mm | 76.4 mm |
| Engine Compression Ratio | 10.5:1 | 9.4:1 |
| Acceleration 0-100mph | 11.7 seconds | 4.2 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1278 kg | 1620 kg |
| Vehicle Length | 4300 mm | 4440 mm |
| Vehicle Width | 1760 mm | 1840 mm |
| Vehicle Height | 1440 mm | 1300 mm |
| Wheelbase Size | 2710 mm | 2360 mm |
| Fuel Consumption Overall | 8.1 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 52 L | 64 L |
