2001 GMC Sierra vs. 2004 BMW 645

To start off, 2004 BMW 645 is newer by 3 year(s). Which means there will be less support and parts availability for 2001 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2001 GMC Sierra would be higher. At 4,398 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (328 HP @ 6100 RPM) has 131 more horse power than 2001 GMC Sierra. (197 HP @ 4600 RPM) In normal driving conditions, 2004 BMW 645 should accelerate faster than 2001 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 40 kg more than 2001 GMC Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2001 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 645. In wet, icy, snow, or gravel driving conditions, 2001 GMC Sierra 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, 2004 BMW 645 (451 Nm @ 3600 RPM) has 99 more torque (in Nm) than 2001 GMC Sierra. (352 Nm @ 2800 RPM). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2001 GMC Sierra. 2004 BMW 645 has automatic transmission and 2001 GMC Sierra has manual transmission. 2001 GMC Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 BMW 645 will be easier to drive especially in heavy traffic.

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