2009 Audi A8 vs. 2005 Porsche Cayenne
To start off, 2009 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Porsche Cayenne. In addition, the cost of maintenance, including insurance, on 2005 Porsche Cayenne would be higher. At 4,507 cc (8 cylinders), 2005 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2005 Porsche Cayenne (350 HP) has 94 more horse power than 2009 Audi A8. (256 HP) In normal driving conditions, 2005 Porsche Cayenne should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche Cayenne weights approximately 1425 kg more than 2009 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A8. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Porsche Cayenne (421 Nm @ 2500 RPM) has 91 more torque (in Nm) than 2009 Audi A8. (330 Nm @ 3250 RPM). This means 2005 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8. 2009 Audi A8 has automatic transmission and 2005 Porsche Cayenne has manual transmission. 2005 Porsche Cayenne will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A8 | 2005 Porsche Cayenne | |
| Make | Audi | Porsche |
| Model | A8 | Cayenne |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 4507 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 256 HP | 350 HP |
| Torque | 330 Nm | 421 Nm |
| Torque RPM | 3250 RPM | 2500 RPM |
| Engine Bore Size | 84.5 mm | 93 mm |
| Engine Stroke Size | 92.8 mm | 83 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 242 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 6.8 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 895 kg | 2320 kg |
| Vehicle Length | 5060 mm | 4790 mm |
| Vehicle Width | 1900 mm | 1930 mm |
| Vehicle Height | 1450 mm | 1710 mm |
| Wheelbase Size | 2950 mm | 2860 mm |
| Fuel Consumption Overall | 9.8 L/100km | 14.9 L/100km |
| Fuel Tank Capacity | 90 L | 100 L |
