2003 Mercedes-Benz SL vs. 2007 Audi A3

To start off, 2007 Audi A3 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2003 Mercedes-Benz SL would be higher. At 5,513 cc (12 cylinders), 2003 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2003 Mercedes-Benz SL (493 HP @ 5000 RPM) has 246 more horse power than 2007 Audi A3. (247 HP @ 6300 RPM). In normal driving conditions, 2003 Mercedes-Benz SL should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz SL weights approximately 411 kg more than 2007 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2007 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2007 Audi A3 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, 2003 Mercedes-Benz SL (800 Nm @ 1800 RPM) has 480 more torque (in Nm) than 2007 Audi A3. (320 Nm @ 2500 RPM). This means 2003 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A3.

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