2009 BMW X6 vs. 1999 Fiat Siena

To start off, 2009 BMW X6 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Fiat Siena. In addition, the cost of maintenance, including insurance, on 1999 Fiat Siena would be higher. At 4,395 cc (8 cylinders), 2009 BMW X6 is equipped with a bigger engine. In terms of performance, 2009 BMW X6 (401 HP @ 5500 RPM) has 350 more horse power than 1999 Fiat Siena. (51 HP @ 4000 RPM). In normal driving conditions, 2009 BMW X6 should accelerate faster than 1999 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 965 kg more than 1999 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2009 BMW X6 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2009 BMW X6 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, 2009 BMW X6 (610 Nm) has 410 more torque (in Nm) than 1999 Fiat Siena. (200 Nm). This means 2009 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Fiat Siena. 2009 BMW X6 has automatic transmission and 1999 Fiat Siena has manual transmission. 1999 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW X6 will be easier to drive especially in heavy traffic.

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