2008 BMW 550 vs. 2007 BMW X5
To start off, 2008 BMW 550 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW X5. In addition, the cost of maintenance, including insurance, on 2007 BMW X5 would be higher. At 4,799 cc, 2008 BMW 550 is equipped with a bigger engine. In terms of performance, 2008 BMW 550 (360 HP @ 6300 RPM) has 77 more horse power than 2007 BMW X5. (283 HP @ 3600 RPM). In normal driving conditions, 2008 BMW 550 should accelerate faster than 2007 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 520 kg more than 2008 BMW 550.
Because 2007 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 550. In wet, icy, snow, or gravel driving conditions, 2007 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, 2008 BMW 550 (490 Nm @ 3400 RPM) has 50 more torque (in Nm) than 2007 BMW X5. (440 Nm @ 5400 RPM). This means 2008 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X5.
Compare all specifications:
| 2008 BMW 550 | 2007 BMW X5 | |
| Make | BMW | BMW |
| Model | 550 | X5 |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 4398 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 360 HP | 283 HP |
| Engine RPM | 6300 RPM | 3600 RPM |
| Torque | 490 Nm | 440 Nm |
| Torque RPM | 3400 RPM | 5400 RPM |
| Engine Bore Size | 93.1 mm | 92 mm |
| Engine Stroke Size | 88.3 mm | 82.7 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 5.9 seconds | 8.1 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 | 2180 kg |
| Vehicle Length | 4860 mm | 4670 mm |
| Vehicle Width | 1850 mm | 1880 mm |
| Vehicle Height | 1470 mm | 1710 mm |
| Wheelbase Size | 2890 mm | 2830 mm |
| Fuel Consumption Overall | 7.8 L/100km | 13.9 L/100km |
| Fuel Tank Capacity | 70 L | 93 L |
