2004 Mercedes-Benz SL vs. 1999 Fiat Siena

To start off, 2004 Mercedes-Benz SL is newer by 5 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 4,966 cc (8 cylinders), 2004 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz SL (302 HP @ 4200 RPM) has 251 more horse power than 1999 Fiat Siena. (51 HP @ 4000 RPM). In normal driving conditions, 2004 Mercedes-Benz SL should accelerate faster than 1999 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mercedes-Benz SL weights approximately 548 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 2004 Mercedes-Benz SL 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 2004 Mercedes-Benz SL. 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, 2004 Mercedes-Benz SL (460 Nm) has 260 more torque (in Nm) than 1999 Fiat Siena. (200 Nm). This means 2004 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1999 Fiat Siena.

Compare all specifications: