1991 Alpina B vs. 2011 BMW X5

To start off, 2011 BMW X5 is newer by 20 year(s). Which means there will be less support and parts availability for 1991 Alpina B. In addition, the cost of maintenance, including insurance, on 1991 Alpina B would be higher. At 5,646 cc (12 cylinders), 1991 Alpina B is equipped with a bigger engine. In terms of performance, 1991 Alpina B (410 HP @ 5400 RPM) has 110 more horse power than 2011 BMW X5. (300 HP @ 5800 RPM). In normal driving conditions, 1991 Alpina B should accelerate faster than 2011 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW X5 weights approximately 384 kg more than 1991 Alpina B.

Because 2011 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 1991 Alpina B. In wet, icy, snow, or gravel driving conditions, 2011 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, 1991 Alpina B (570 Nm @ 4000 RPM) has 164 more torque (in Nm) than 2011 BMW X5. (406 Nm @ 1200 RPM). This means 1991 Alpina B will have an easier job in driving up hills or pulling heavy equipment than 2011 BMW X5. 2011 BMW X5 has automatic transmission and 1991 Alpina B has manual transmission. 1991 Alpina B will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 BMW X5 will be easier to drive especially in heavy traffic.

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