2008 BMW 550 vs. 2008 BMW X5
To start off, both 2008 BMW 550 and 2008 BMW X5 were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 132 more horse power than 2008 BMW X5. (228 HP @ 5900 RPM). In normal driving conditions, 2008 BMW 550 should accelerate faster than 2008 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 410 kg more than 2008 BMW 550.
Because 2008 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, 2008 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 190 more torque (in Nm) than 2008 BMW X5. (300 Nm @ 3500 RPM). This means 2008 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X5.
Compare all specifications:
| 2008 BMW 550 | 2008 BMW X5 | |
| Make | BMW | BMW |
| Model | 550 | X5 |
| Year Released | 2008 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 2979 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 360 HP | 228 HP |
| Engine RPM | 6300 RPM | 5900 RPM |
| Torque | 490 Nm | 300 Nm |
| Torque RPM | 3400 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 84.1 mm |
| Engine Stroke Size | 88.3 mm | 89.6 mm |
| Engine Compression Ratio | 10.5:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 5.9 seconds | 8.5 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1660 kg | 2070 kg |
| Vehicle Length | 4870 mm | 4670 mm |
| Vehicle Height | 1470 mm | 1720 mm |
| Wheelbase Size | 2890 mm | 2830 mm |
| Fuel Consumption Overall | 11.1 L/100km | 12.7 L/100km |
| Fuel Tank Capacity | 70 L | 93 L |
