2005 Opel Astra vs. 2007 Porsche Cayenne
To start off, 2007 Porsche Cayenne is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 4,511 cc (8 cylinders), 2007 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2007 Porsche Cayenne (444 HP @ 6000 RPM) has 347 more horse power than 2005 Opel Astra. (97 HP @ 6000 RPM) In normal driving conditions, 2007 Porsche Cayenne should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche Cayenne weights approximately 1320 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 2007 Porsche Cayenne 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, 2007 Porsche Cayenne 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, 2007 Porsche Cayenne (620 Nm @ 2250 RPM) has 478 more torque (in Nm) than 2005 Opel Astra. (142 Nm @ 3600 RPM). This means 2007 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2007 Porsche Cayenne has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Porsche Cayenne will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Astra | 2007 Porsche Cayenne | |
| Make | Opel | Porsche |
| Model | Astra | Cayenne |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 4511 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 97 HP | 444 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 142 Nm | 620 Nm |
| Torque RPM | 3600 RPM | 2250 RPM |
| Engine Compression Ratio | 9.8:1 | 9.5:1 |
| Top Speed | 193 km/hour | 266 km/hour |
| Acceleration 0-100mph | 11.5 seconds | 5.6 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1110 kg | 2430 kg |
| Wheelbase Size | 2700 mm | 2860 mm |
| Fuel Consumption Overall | 7.8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 52 L | 100 L |
