2007 BMW X3 vs. 2003 Mercedes-Benz SLR McLaren

To start off, 2007 BMW X3 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Mercedes-Benz SLR McLaren. In addition, the cost of maintenance, including insurance, on 2003 Mercedes-Benz SLR McLaren would be higher. At 5,439 cc (8 cylinders), 2003 Mercedes-Benz SLR McLaren is equipped with a bigger engine. In terms of performance, 2003 Mercedes-Benz SLR McLaren (618 HP @ 6500 RPM) has 403 more horse power than 2007 BMW X3. (215 HP @ 4000 RPM) In normal driving conditions, 2003 Mercedes-Benz SLR McLaren should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz SLR McLaren weights approximately 3 kg more than 2007 BMW X3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mercedes-Benz SLR McLaren. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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 SLR McLaren (781 Nm @ 3250 RPM) has 301 more torque (in Nm) than 2007 BMW X3. (480 Nm @ 1750 RPM). This means 2003 Mercedes-Benz SLR McLaren will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.

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