2007 BMW 523 vs. 2005 Mercury Mountaineer
To start off, 2007 BMW 523 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercury Mountaineer. In addition, the cost of maintenance, including insurance, on 2005 Mercury Mountaineer would be higher. At 4,015 cc (6 cylinders), 2005 Mercury Mountaineer is equipped with a bigger engine. In terms of performance, 2005 Mercury Mountaineer (210 HP) has 35 more horse power than 2007 BMW 523. (175 HP) In normal driving conditions, 2005 Mercury Mountaineer should accelerate faster than 2007 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercury Mountaineer weights approximately 511 kg more than 2007 BMW 523. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercury Mountaineer is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 523. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Mercury Mountaineer (345 Nm) has 115 more torque (in Nm) than 2007 BMW 523. (230 Nm). This means 2005 Mercury Mountaineer will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523.
Compare all specifications:
| 2007 BMW 523 | 2005 Mercury Mountaineer | |
| Make | BMW | Mercury |
| Model | 523 | Mountaineer |
| Year Released | 2007 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4015 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 175 HP | 210 HP |
| Torque | 230 Nm | 345 Nm |
| Engine Bore Size | 82 mm | 100 mm |
| Engine Stroke Size | 78.8 mm | 84 mm |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1500 kg | 2011 kg |
| Vehicle Length | 4850 mm | 4860 mm |
| Vehicle Width | 1470 mm | 1840 mm |
| Vehicle Height | 1850 mm | 1850 mm |
| Wheelbase Size | 2890 mm | 2920 mm |
| Fuel Consumption Overall | 9.3 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 85 L |
