1990 BMW 520 vs. 1979 GMC Suburban

To start off, 1990 BMW 520 is newer by 11 year(s). Which means there will be less support and parts availability for 1979 GMC Suburban. In addition, the cost of maintenance, including insurance, on 1979 GMC Suburban would be higher. At 4,093 cc (6 cylinders), 1979 GMC Suburban is equipped with a bigger engine. In terms of performance, 1990 BMW 520 (145 HP @ 5900 RPM) has 16 more horse power than 1979 GMC Suburban. (129 HP @ 4000 RPM). In normal driving conditions, 1990 BMW 520 should accelerate faster than 1979 GMC Suburban. With that said, vehicle weight also plays an important factor in acceleration. 1979 GMC Suburban weights approximately 690 kg more than 1990 BMW 520.

Because 1979 GMC Suburban is four wheel drive (4WD), it will have significant more traction and grip than 1990 BMW 520. In wet, icy, snow, or gravel driving conditions, 1979 GMC Suburban 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, 1979 GMC Suburban (285 Nm @ 2000 RPM) has 99 more torque (in Nm) than 1990 BMW 520. (186 Nm @ 4700 RPM). This means 1979 GMC Suburban will have an easier job in driving up hills or pulling heavy equipment than 1990 BMW 520. 1979 GMC Suburban has automatic transmission and 1990 BMW 520 has manual transmission. 1990 BMW 520 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1979 GMC Suburban will be easier to drive especially in heavy traffic.

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