2007 Audi S4 vs. 2001 BMW Z9

To start off, 2007 Audi S4 is newer by 6 year(s). Which means there will be less support and parts availability for 2001 BMW Z9. In addition, the cost of maintenance, including insurance, on 2001 BMW Z9 would be higher. At 4,400 cc (8 cylinders), 2001 BMW Z9 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (339 HP @ 7000 RPM) has 53 more horse power than 2001 BMW Z9. (286 HP @ 7400 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2001 BMW Z9. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 140 kg more than 2001 BMW Z9. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2001 BMW Z9. In wet, icy, snow, or gravel driving conditions, 2007 Audi S4 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, 2001 BMW Z9 (597 Nm) has 187 more torque (in Nm) than 2007 Audi S4. (410 Nm). This means 2001 BMW Z9 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi S4.

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