2006 BMW 550 vs. 2008 BMW X5
To start off, 2008 BMW X5 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW 550. In addition, the cost of maintenance, including insurance, on 2006 BMW 550 would be higher. At 4,799 cc (8 cylinders), 2006 BMW 550 is equipped with a bigger engine. In terms of performance, 2006 BMW 550 (360 HP @ 6300 RPM) has 100 more horse power than 2008 BMW X5. (260 HP @ 6600 RPM). In normal driving conditions, 2006 BMW 550 should accelerate faster than 2008 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 550 weights approximately 175 kg more than 2008 BMW X5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2006 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, 2006 BMW 550 (488 Nm @ 3400 RPM) has 183 more torque (in Nm) than 2008 BMW X5. (305 Nm @ 2750 RPM). This means 2006 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X5. 2008 BMW X5 has automatic transmission and 2006 BMW 550 has manual transmission. 2006 BMW 550 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 550 | 2008 BMW X5 | |
| Make | BMW | BMW |
| Model | 550 | X5 |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 360 HP | 260 HP |
| Engine RPM | 6300 RPM | 6600 RPM |
| Torque | 488 Nm | 305 Nm |
| Torque RPM | 3400 RPM | 2750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1725 kg | 1550 kg |
| Vehicle Length | 4880 mm | 4860 mm |
| Vehicle Width | 1850 mm | 1940 mm |
| Vehicle Height | 1470 mm | 1770 mm |
| Wheelbase Size | 2890 mm | 2940 mm |
| Fuel Consumption | 10.2 L/100km | 11.4 L/100km |
| Fuel Consumption City | 14.7 L/100km | 15.8 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 70 L | 85 L |
