2003 Infiniti I vs. 2005 BMW 545

To start off, 2005 BMW 545 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Infiniti I. In addition, the cost of maintenance, including insurance, on 2003 Infiniti I would be higher. At 4,390 cc (8 cylinders), 2005 BMW 545 is equipped with a bigger engine. In terms of performance, 2005 BMW 545 (326 HP @ 6100 RPM) has 102 more horse power than 2003 Infiniti I. (224 HP @ 5600 RPM) In normal driving conditions, 2005 BMW 545 should accelerate faster than 2003 Infiniti I. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 545 weights approximately 153 kg more than 2003 Infiniti I. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2005 BMW 545 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 BMW 545. However, in wet, icy, snow, or gravel driving conditions, 2003 Infiniti I, being front wheel drive (FWD), will offer much better control with better grip. 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, 2005 BMW 545 (450 Nm @ 3600 RPM) has 180 more torque (in Nm) than 2003 Infiniti I. (270 Nm @ 4800 RPM). This means 2005 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2003 Infiniti I. 2005 BMW 545 has automatic transmission and 2003 Infiniti I has manual transmission. 2003 Infiniti I will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 545 will be easier to drive especially in heavy traffic.

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