2006 BMW X5 vs. 2007 BMW 550
To start off, 2007 BMW 550 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 BMW X5. In addition, the cost of maintenance, including insurance, on 2006 BMW X5 would be higher. At 4,797 cc, 2007 BMW 550 is equipped with a bigger engine. In terms of performance, 2007 BMW 550 (657 HP @ 3400 RPM) has 375 more horse power than 2006 BMW X5. (282 HP @ 3600 RPM) In normal driving conditions, 2007 BMW 550 should accelerate faster than 2006 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 535 kg more than 2007 BMW 550.
Because 2006 BMW X5 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, 2006 BMW X5 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 49 more torque (in Nm) than 2006 BMW X5. (441 Nm @ 3600 RPM). This means 2007 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5.
Compare all specifications:
| 2006 BMW X5 | 2007 BMW 550 | |
| Make | BMW | BMW |
| Model | X5 | 550 |
| Year Released | 2006 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4797 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 657 HP |
| Engine RPM | 3600 RPM | 3400 RPM |
| Torque | 441 Nm | 490 Nm |
| Torque RPM | 3600 RPM | 3400 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 206 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 5.6 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2195 kg | 1660 kg |
| Vehicle Length | 4670 mm | 4850 mm |
| Vehicle Width | 1880 mm | 1470 mm |
| Vehicle Height | 1710 mm | 1850 mm |
| Wheelbase Size | 2830 mm | 2890 mm |
| Fuel Consumption Overall | 13.9 L/100km | 10.8 L/100km |
| Fuel Tank Capacity | 93 L | 70 L |
