2006 Fiat Siena vs. 2008 Mercury Mountaineer
To start off, 2008 Mercury Mountaineer is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2006 Fiat Siena would be higher. At 4,015 cc (6 cylinders), 2008 Mercury Mountaineer is equipped with a bigger engine. In terms of performance, 2008 Mercury Mountaineer (210 HP @ 5100 RPM) has 142 more horse power than 2006 Fiat Siena. (68 HP @ 4600 RPM) In normal driving conditions, 2008 Mercury Mountaineer should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercury Mountaineer weights approximately 366 kg more than 2006 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Mercury Mountaineer is four wheel drive (4WD), it will have significant more traction and grip than 2006 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Mercury Mountaineer (344 Nm @ 3700 RPM) has 208 more torque (in Nm) than 2006 Fiat Siena. (136 Nm @ 2500 RPM). This means 2008 Mercury Mountaineer will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena. 2008 Mercury Mountaineer has automatic transmission and 2006 Fiat Siena has manual transmission. 2006 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Mercury Mountaineer will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Fiat Siena | 2008 Mercury Mountaineer | |
| Make | Fiat | Mercury |
| Model | Siena | Mountaineer |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1697 cc | 4015 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 68 HP | 210 HP |
| Engine RPM | 4600 RPM | 5100 RPM |
| Torque | 136 Nm | 344 Nm |
| Torque RPM | 2500 RPM | 3700 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1645 kg | 2011 kg |
| Vehicle Length | 4000 mm | 4920 mm |
| Vehicle Height | 1700 mm | 1860 mm |
| Wheelbase Size | 2550 mm | 2890 mm |
| Fuel Consumption Overall | 6.9 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 47 L | 85 L |
