2003 Beijing BJ 2021 vs. 2006 BMW Z4

To start off, 2006 BMW Z4 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Beijing BJ 2021. In addition, the cost of maintenance, including insurance, on 2003 Beijing BJ 2021 would be higher. At 2,501 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (185 HP @ 6000 RPM) has 74 more horse power than 2003 Beijing BJ 2021. (111 HP @ 4800 RPM) In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2003 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 2003 Beijing BJ 2021 weights approximately 180 kg more than 2006 BMW Z4.

Because 2003 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2003 Beijing BJ 2021 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, 2006 BMW Z4 (237 Nm @ 3500 RPM) has 57 more torque (in Nm) than 2003 Beijing BJ 2021. (180 Nm @ 3200 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Beijing BJ 2021.

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