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 3,605 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (445 HP @ 6000 RPM) has 348 more horse power than 2005 Opel Astra. (97 HP @ 6000 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 510 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.
Let's talk about torque, 2005 Porsche 911 (620 Nm) has 478 more torque (in Nm) than 2005 Opel Astra. (142 Nm). 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 |
| Engine Position | Front | Rear |
| Engine Size | 1598 cc | 3605 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 97 HP | 445 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 142 Nm | 620 Nm |
| Engine Compression Ratio | 9.8:1 | 9.4:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1080 kg | 1590 kg |
| Wheelbase Size | 2710 mm | 2360 mm |
| Fuel Consumption Overall | 7.7 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 52 L | 63 L |
