2009 Audi A8 vs. 2003 Porsche Cayenne
To start off, 2009 Audi A8 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Porsche Cayenne. In addition, the cost of maintenance, including insurance, on 2003 Porsche Cayenne would be higher. At 4,511 cc (8 cylinders), 2003 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2003 Porsche Cayenne (444 HP @ 6000 RPM) has 115 more horse power than 2009 Audi A8. (329 HP @ 6500 RPM) In normal driving conditions, 2003 Porsche Cayenne should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche Cayenne weights approximately 575 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.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2003 Porsche Cayenne (620 Nm @ 2250 RPM) has 189 more torque (in Nm) than 2009 Audi A8. (431 Nm @ 3500 RPM). This means 2003 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2009 Audi A8 | 2003 Porsche Cayenne | |
| Make | Audi | Porsche |
| Model | A8 | Cayenne |
| Year Released | 2009 | 2003 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4511 cc |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 329 HP | 444 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 431 Nm | 620 Nm |
| Torque RPM | 3500 RPM | 2250 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 266 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 5.6 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1855 kg | 2430 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 | 8.8 L/100km | 15.6 L/100km |
| Fuel Tank Capacity | 90 L | 100 L |
