2006 BMW X5 vs. 2008 BMW 525
To start off, 2008 BMW 525 is newer by 2 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 2,979 cc (6 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (228 HP @ 3500 RPM) has 13 more horse power than 2008 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 2006 BMW X5 should accelerate faster than 2008 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 525 weights approximately 50 kg more than 2006 BMW X5.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 525. 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, 2006 BMW X5 (300 Nm @ 3500 RPM) has 50 more torque (in Nm) than 2008 BMW 525. (250 Nm @ 2750 RPM). This means 2006 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 525.
Compare all specifications:
| 2006 BMW X5 | 2008 BMW 525 | |
| Make | BMW | BMW |
| Model | X5 | 525 |
| Year Released | 2006 | 2008 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 215 HP |
| Engine RPM | 3500 RPM | 6500 RPM |
| Torque | 300 Nm | 250 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Engine Bore Size | 84 mm | 78.8 mm |
| Engine Stroke Size | 89.6 mm | 82 mm |
| Engine Compression Ratio | 10.2:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 202 km/hour | 240 km/hour |
| Acceleration 0-100mph | 8.5 seconds | 7.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1630 kg | 1680 kg |
| Vehicle Length | 4670 mm | 4850 mm |
| Vehicle Width | 1880 mm | 1850 mm |
| Vehicle Height | 1720 mm | 1500 mm |
| Wheelbase Size | 2830 mm | 2840 mm |
| Fuel Consumption Overall | 12.7 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 93 L | 70 L |
