2009 Audi A8 vs. 2004 Porsche 911

To start off, 2009 Audi A8 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Porsche 911. In addition, the cost of maintenance, including insurance, on 2004 Porsche 911 would be higher. At 5,998 cc, 2009 Audi A8 is equipped with a bigger engine. In terms of performance, both vehicles can yield 444 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 335 kg more than 2004 Porsche 911.

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, 2004 Porsche 911 (620 Nm @ 3500 RPM) has 40 more torque (in Nm) than 2009 Audi A8. (580 Nm @ 4000 RPM). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.

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