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 215 more horse power than 2009 Audi A8. (229 HP @ 4000 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 600 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 170 more torque (in Nm) than 2009 Audi A8. (450 Nm @ 1400 RPM). This means 2003 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.

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