2008 Audi A8 vs. 2006 Porsche Cayenne
To start off, 2008 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Porsche Cayenne. In addition, the cost of maintenance, including insurance, on 2006 Porsche Cayenne would be higher. At 4,511 cc (8 cylinders), 2006 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2006 Porsche Cayenne (335 HP @ 6000 RPM) has 118 more horse power than 2008 Audi A8. (217 HP @ 6300 RPM) In normal driving conditions, 2006 Porsche Cayenne should accelerate faster than 2008 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 290 kg more than 2006 Porsche Cayenne.
Because 2006 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2008 Audi A8. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Porsche Cayenne (420 Nm @ 2700 RPM) has 120 more torque (in Nm) than 2008 Audi A8. (300 Nm @ 8200 RPM). This means 2006 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A8.
Compare all specifications:
| 2008 Audi A8 | 2006 Porsche Cayenne | |
| Make | Audi | Porsche |
| Model | A8 | Cayenne |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 4511 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 335 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 300 Nm | 420 Nm |
| Torque RPM | 8200 RPM | 2700 RPM |
| Engine Bore Size | 82.5 mm | 98 mm |
| Engine Stroke Size | 92.8 mm | 76 mm |
| Engine Compression Ratio | 11.0:1 | 11.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 242 km/hour | 242 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 7.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1670 kg | 1380 kg |
| Vehicle Length | 5190 mm | 4790 mm |
| Vehicle Width | 1900 mm | 1930 mm |
| Vehicle Height | 1460 mm | 1710 mm |
| Wheelbase Size | 3080 mm | 2860 mm |
| Fuel Consumption Overall | 9.6 L/100km | 15.8 L/100km |
| Fuel Tank Capacity | 90 L | 100 L |
