2009 BMW 550 vs. 2007 BMW X3
To start off, 2009 BMW 550 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW X3. In addition, the cost of maintenance, including insurance, on 2007 BMW X3 would be higher. At 4,798 cc, 2009 BMW 550 is equipped with a bigger engine. In terms of performance, 2009 BMW 550 (362 HP @ 6300 RPM) has 172 more horse power than 2007 BMW X3. (190 HP @ 6000 RPM). In normal driving conditions, 2009 BMW 550 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 105 kg more than 2009 BMW 550.
Because 2007 BMW X3 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, 2007 BMW X3 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 (490 Nm @ 3400 RPM) has 245 more torque (in Nm) than 2007 BMW X3. (245 Nm @ 3500 RPM). This means 2009 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2009 BMW 550 | 2007 BMW X3 | |
| Make | BMW | BMW |
| Model | 550 | X3 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4798 cc | 2494 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 190 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 490 Nm | 245 Nm |
| Torque RPM | 3400 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 84 mm |
| Engine Stroke Size | 88.3 mm | 75 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 250 km/hour | 196 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 10.5 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1660 kg | 1765 kg |
| Vehicle Length | 4850 mm | 4570 mm |
| Vehicle Width | 1470 mm | 1680 mm |
| Vehicle Height | 1850 mm | 1860 mm |
| Wheelbase Size | 2890 mm | 2800 mm |
| Fuel Consumption Overall | 7.8 L/100km | 14.1 L/100km |
| Fuel Tank Capacity | 70 L | 67 L |
