2009 BMW X3 vs. 2007 BMW 550
To start off, 2009 BMW X3 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 550. In addition, the cost of maintenance, including insurance, on 2007 BMW 550 would be higher. At 4,799 cc (8 cylinders), 2007 BMW 550 is equipped with a bigger engine. In terms of performance, 2007 BMW 550 (362 HP @ 6300 RPM) has 134 more horse power than 2009 BMW X3. (228 HP @ 5900 RPM) In normal driving conditions, 2007 BMW 550 should accelerate faster than 2009 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X3 weights approximately 176 kg more than 2007 BMW 550.
Because 2009 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 550. In wet, icy, snow, or gravel driving conditions, 2009 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, 2007 BMW 550 (490 Nm @ 3400 RPM) has 190 more torque (in Nm) than 2009 BMW X3. (300 Nm @ 3500 RPM). This means 2007 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW X3.
Compare all specifications:
2009 BMW X3 | 2007 BMW 550 | |
Make | BMW | BMW |
Model | X3 | 550 |
Year Released | 2009 | 2007 |
Engine Position | Front | Front |
Engine Size | 2979 cc | 4799 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 228 HP | 362 HP |
Engine RPM | 5900 RPM | 6300 RPM |
Torque | 300 Nm | 490 Nm |
Torque RPM | 3500 RPM | 3400 RPM |
Engine Bore Size | 84 mm | 93.1 mm |
Engine Stroke Size | 89.6 mm | 88.3 mm |
Engine Compression Ratio | 10.0:1 | 10.5:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Acceleration 0-100mph | 7.8 seconds | 5.9 seconds |
Drive Type | 4WD | Rear |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 5 doors | 5 doors |
Vehicle Weight | 1836 kg | 1660 kg |
Vehicle Length | 4570 mm | 4850 mm |
Vehicle Width | 1860 mm | 1470 mm |
Vehicle Height | 1680 mm | 1850 mm |
Wheelbase Size | 2800 mm | 2890 mm |
Fuel Consumption Overall | 11.4 L/100km | 11.1 L/100km |
Fuel Tank Capacity | 67 L | 70 L |