2005 BMW 730 vs. 1999 Fiat Siena

To start off, 2005 BMW 730 is newer by 6 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 2,979 cc (6 cylinders), 2005 BMW 730 is equipped with a bigger engine. In terms of performance, 2005 BMW 730 (225 HP @ 4000 RPM) has 174 more horse power than 1999 Fiat Siena. (51 HP @ 4000 RPM). In normal driving conditions, 2005 BMW 730 should accelerate faster than 1999 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 675 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 2005 BMW 730 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 730. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 2005 BMW 730 (500 Nm) has 300 more torque (in Nm) than 1999 Fiat Siena. (200 Nm). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1999 Fiat Siena. 2005 BMW 730 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. 2005 BMW 730 will be easier to drive especially in heavy traffic.

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