2007 BMW 550 vs. 2002 Fiat Siena

To start off, 2007 BMW 550 is newer by 5 year(s). Which means there will be less support and parts availability for 2002 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2002 Fiat Siena would be higher. At 4,799 cc (8 cylinders), 2007 BMW 550 is equipped with a bigger engine. In terms of performance, 2007 BMW 550 (360 HP @ 6300 RPM) has 238 more horse power than 2002 Fiat Siena. (122 HP @ 5250 RPM). In normal driving conditions, 2007 BMW 550 should accelerate faster than 2002 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 550 weights approximately 381 kg more than 2002 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2007 BMW 550 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 2007 BMW 550. However, in wet, icy, snow, or gravel driving conditions, 2002 Fiat Siena, 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, 2007 BMW 550 (489 Nm) has 402 more torque (in Nm) than 2002 Fiat Siena. (87 Nm). This means 2007 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2002 Fiat Siena.

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