2008 Audi S8 vs. 2009 Audi A4

To start off, 2009 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi S8. In addition, the cost of maintenance, including insurance, on 2008 Audi S8 would be higher. At 5,199 cc (10 cylinders), 2008 Audi S8 is equipped with a bigger engine. In terms of performance, 2008 Audi S8 (450 HP @ 7000 RPM) has 289 more horse power than 2009 Audi A4. (161 HP @ 5700 RPM). In normal driving conditions, 2008 Audi S8 should accelerate faster than 2009 Audi A4.

Because 2008 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2009 Audi A4. In wet, icy, snow, or gravel driving conditions, 2008 Audi S8 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, 2008 Audi S8 (540 Nm @ 3500 RPM) has 315 more torque (in Nm) than 2009 Audi A4. (225 Nm @ 1950 RPM). This means 2008 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2008 Audi S8 has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi S8 will be easier to drive especially in heavy traffic.

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