1999 Mercury Mountaineer vs. 1998 Fiat Siena

To start off, 1999 Mercury Mountaineer is newer by 1 year(s). Which means there will be less support and parts availability for 1998 Fiat Siena. In addition, the cost of maintenance, including insurance, on 1998 Fiat Siena would be higher. At 4,012 cc (6 cylinders), 1999 Mercury Mountaineer is equipped with a bigger engine. In terms of performance, 1999 Mercury Mountaineer (208 HP @ 5250 RPM) has 157 more horse power than 1998 Fiat Siena. (51 HP @ 4000 RPM). In normal driving conditions, 1999 Mercury Mountaineer should accelerate faster than 1998 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1999 Mercury Mountaineer weights approximately 625 kg more than 1998 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 1999 Mercury Mountaineer is four wheel drive (4WD), it will have significant more traction and grip than 1998 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 1999 Mercury Mountaineer 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, 1999 Mercury Mountaineer (325 Nm) has 125 more torque (in Nm) than 1998 Fiat Siena. (200 Nm). This means 1999 Mercury Mountaineer will have an easier job in driving up hills or pulling heavy equipment than 1998 Fiat Siena. 1999 Mercury Mountaineer has automatic transmission and 1998 Fiat Siena has manual transmission. 1998 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Mercury Mountaineer will be easier to drive especially in heavy traffic.

Compare all specifications: