1999 Infiniti I vs. 2011 BMW X5

To start off, 2011 BMW X5 is newer by 12 year(s). Which means there will be less support and parts availability for 1999 Infiniti I. In addition, the cost of maintenance, including insurance, on 1999 Infiniti I would be higher. At 4,400 cc (8 cylinders), 2011 BMW X5 is equipped with a bigger engine. In terms of performance, 2011 BMW X5 (400 HP @ 5500 RPM) has 176 more horse power than 1999 Infiniti I. (224 HP @ 5600 RPM) In normal driving conditions, 2011 BMW X5 should accelerate faster than 1999 Infiniti I. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW X5 weights approximately 930 kg more than 1999 Infiniti I. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2011 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 1999 Infiniti I. 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, 2011 BMW X5 (609 Nm @ 1750 RPM) has 339 more torque (in Nm) than 1999 Infiniti I. (270 Nm @ 4800 RPM). This means 2011 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1999 Infiniti I. 2011 BMW X5 has automatic transmission and 1999 Infiniti I has manual transmission. 1999 Infiniti I 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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