2009 BMW 550 vs. 2006 Mercury Mountaineer
To start off, 2009 BMW 550 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Mercury Mountaineer. In addition, the cost of maintenance, including insurance, on 2006 Mercury Mountaineer would be higher. At 4,799 cc (8 cylinders), 2009 BMW 550 is equipped with a bigger engine. In terms of performance, 2009 BMW 550 (360 HP @ 6300 RPM) has 150 more horse power than 2006 Mercury Mountaineer. (210 HP @ 5100 RPM). In normal driving conditions, 2009 BMW 550 should accelerate faster than 2006 Mercury Mountaineer. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercury Mountaineer weights approximately 346 kg more than 2009 BMW 550.
Because 2006 Mercury Mountaineer is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 550. In wet, icy, snow, or gravel driving conditions, 2006 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, 2009 BMW 550 (489 Nm @ 3400 RPM) has 145 more torque (in Nm) than 2006 Mercury Mountaineer. (344 Nm @ 3700 RPM). This means 2009 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercury Mountaineer.
Compare all specifications:
| 2009 BMW 550 | 2006 Mercury Mountaineer | |
| Make | BMW | Mercury |
| Model | 550 | Mountaineer |
| Year Released | 2009 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 4015 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 360 HP | 210 HP |
| Engine RPM | 6300 RPM | 5100 RPM |
| Torque | 489 Nm | 344 Nm |
| Torque RPM | 3400 RPM | 3700 RPM |
| Engine Bore Size | 93 mm | 100 mm |
| Engine Stroke Size | 88.3 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1730 kg | 2076 kg |
| Vehicle Length | 4850 mm | 4920 mm |
| Vehicle Width | 1470 mm | 1870 mm |
| Vehicle Height | 1850 mm | 1860 mm |
| Wheelbase Size | 2890 mm | 2890 mm |
| Fuel Consumption | 10.7 L/100km | 11.8 L/100km |
| Fuel Consumption City | 15.7 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 11.1 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 85 L |
