1991 Audi 90 vs. 2001 BMW Z18

To start off, 2001 BMW Z18 is newer by 10 year(s). Which means there will be less support and parts availability for 1991 Audi 90. In addition, the cost of maintenance, including insurance, on 1991 Audi 90 would be higher. At 4,400 cc (8 cylinders), 2001 BMW Z18 is equipped with a bigger engine. In terms of performance, 2001 BMW Z18 (323 HP @ 7400 RPM) has 209 more horse power than 1991 Audi 90. (114 HP @ 5400 RPM) In normal driving conditions, 2001 BMW Z18 should accelerate faster than 1991 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW Z18 weights approximately 590 kg more than 1991 Audi 90. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2001 BMW Z18 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Audi 90. In wet, icy, snow, or gravel driving conditions, 2001 BMW Z18 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, 2001 BMW Z18 (340 Nm) has 168 more torque (in Nm) than 1991 Audi 90. (172 Nm). This means 2001 BMW Z18 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 90. 2001 BMW Z18 has automatic transmission and 1991 Audi 90 has manual transmission. 1991 Audi 90 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 BMW Z18 will be easier to drive especially in heavy traffic.

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