2003 Mercedes-Benz SL vs. 2008 Porsche 911

To start off, 2008 Porsche 911 is newer by 5 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 5,439 cc (8 cylinders), 2003 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2003 Mercedes-Benz SL (493 HP @ 6100 RPM) has 143 more horse power than 2008 Porsche 911. (350 HP @ 6600 RPM). In normal driving conditions, 2003 Mercedes-Benz SL should accelerate faster than 2008 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz SL weights approximately 419 kg more than 2008 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2008 Porsche 911 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, 2008 Porsche 911 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 (700 Nm @ 2750 RPM) has 300 more torque (in Nm) than 2008 Porsche 911. (400 Nm @ 4600 RPM). This means 2003 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2008 Porsche 911. 2003 Mercedes-Benz SL has automatic transmission and 2008 Porsche 911 has manual transmission. 2008 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Mercedes-Benz SL will be easier to drive especially in heavy traffic.

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