2007 BMW X3 vs. 2003 Infiniti I

To start off, 2007 BMW X3 is newer by 4 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 2,993 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2003 Infiniti I (224 HP @ 5600 RPM) has 9 more horse power than 2007 BMW X3. (215 HP @ 4000 RPM) In normal driving conditions, 2003 Infiniti I should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 253 kg more than 2003 Infiniti I.

Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Infiniti I. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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, 2007 BMW X3 (480 Nm @ 1750 RPM) has 210 more torque (in Nm) than 2003 Infiniti I. (270 Nm @ 4800 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Infiniti I. 2007 BMW X3 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. 2007 BMW X3 will be easier to drive especially in heavy traffic.

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