2003 Opel Astra vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 3,600 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (414 HP @ 6000 RPM) has 332 more horse power than 2003 Opel Astra. (82 HP @ 4400 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 145 kg more than 2003 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Porsche 911 (560 Nm @ 2700 RPM) has 375 more torque (in Nm) than 2003 Opel Astra. (185 Nm @ 1500 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2003 Opel Astra | 2009 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Astra | 911 |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1998 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 82 HP | 414 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 185 Nm | 560 Nm |
| Torque RPM | 1500 RPM | 2700 RPM |
| Engine Bore Size | 84 mm | 100 mm |
| Engine Stroke Size | 90 mm | 76.4 mm |
| Engine Compression Ratio | 18.5:1 | 9.4:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 170 km/hour | 298 km/hour |
| Acceleration 0-100mph | 15.5 seconds | 4.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1385 kg | 1530 kg |
| Vehicle Length | 4260 mm | 4440 mm |
| Vehicle Width | 1700 mm | 1300 mm |
| Vehicle Height | 1430 mm | 1840 mm |
| Wheelbase Size | 2620 mm | 2360 mm |
| Fuel Tank Capacity | 52 L | 64 L |
