2007 BMW X5 vs. 1973 Porsche 917

To start off, 2007 BMW X5 is newer by 34 year(s). Which means there will be less support and parts availability for 1973 Porsche 917. In addition, the cost of maintenance, including insurance, on 1973 Porsche 917 would be higher. At 4,994 cc, 1973 Porsche 917 is equipped with a bigger engine. In terms of performance, 1973 Porsche 917 (520 HP) has 178 more horse power than 2007 BMW X5. (342 HP) In normal driving conditions, 1973 Porsche 917 should accelerate faster than 2007 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 1402 kg more than 1973 Porsche 917.

Because 2007 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1973 Porsche 917. In wet, icy, snow, or gravel driving conditions, 2007 BMW X5 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, 1973 Porsche 917 (610 Nm) has 130 more torque (in Nm) than 2007 BMW X5. (480 Nm). This means 1973 Porsche 917 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X5.

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