2007 BMW 328 vs. 2007 BMW 645

To start off, both 2007 BMW 328 and 2007 BMW 645 were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,398 cc (8 cylinders), 2007 BMW 645 is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 98 more horse power than 2007 BMW 328. (230 HP @ 6500 RPM) In normal driving conditions, 2007 BMW 645 should accelerate faster than 2007 BMW 328. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 645 weights approximately 175 kg more than 2007 BMW 328. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2007 BMW 328 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 645. In wet, icy, snow, or gravel driving conditions, 2007 BMW 328 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, 2007 BMW 645 (450 Nm @ 3600 RPM) has 179 more torque (in Nm) than 2007 BMW 328. (271 Nm @ 2750 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 328.

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