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 4,800 cc (8 cylinders), 2008 BMW 550 is equipped with a bigger engine. In terms of performance, 2008 BMW 550 (360 HP @ 6300 RPM) has 44 more horse power than 2007 BMW X5. (316 HP @ 6100 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 466 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 (489 Nm @ 3400 RPM) has 49 more torque (in Nm) than 2007 BMW X5. (440 Nm @ 3700 RPM). This means 2008 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X5. 2007 BMW X5 has automatic transmission and 2008 BMW 550 has manual transmission. 2008 BMW 550 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW 550 | 2007 BMW X5 | |
| Make | BMW | BMW |
| Model | 550 | X5 |
| Year Released | 2008 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 4800 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 360 HP | 316 HP |
| Engine RPM | 6300 RPM | 6100 RPM |
| Torque | 489 Nm | 440 Nm |
| Torque RPM | 3400 RPM | 3700 RPM |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 241 km/hour | 229 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 7.7 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1730 kg | 2196 kg |
| Vehicle Length | 4860 mm | 4670 mm |
| Vehicle Width | 1850 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1880 mm |
| Wheelbase Size | 2890 mm | 2830 mm |
| Fuel Consumption Overall | 10.8 L/100km | 15.2 L/100km |
| Fuel Tank Capacity | 70 L | 85 L |
