2008 BMW 525 vs. 2009 BMW X5
To start off, 2009 BMW X5 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW 525. In addition, the cost of maintenance, including insurance, on 2008 BMW 525 would be higher. At 4,799 cc (8 cylinders), 2009 BMW X5 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X5 weights approximately 30 kg more than 2008 BMW 525.
Because 2009 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, 2009 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, 2009 BMW X5 (476 Nm @ 3400 RPM) has 226 more torque (in Nm) than 2008 BMW 525. (250 Nm @ 2900 RPM). This means 2009 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 525.
Compare all specifications:
| 2008 BMW 525 | 2009 BMW X5 | |
| Make | BMW | BMW |
| Model | 525 | X5 |
| Year Released | 2008 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 0 HP | 350 HP |
| Torque | 250 Nm | 476 Nm |
| Torque RPM | 2900 RPM | 3400 RPM |
| Engine Bore Size | 82.1 mm | 93 mm |
| Engine Stroke Size | 78.8 mm | 88.3 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 7.9 seconds | 6.5 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1495 kg | 1525 kg |
| Vehicle Length | 4870 mm | 4860 mm |
| Vehicle Height | 1470 mm | 1740 mm |
| Wheelbase Size | 2890 mm | 2940 mm |
| Fuel Consumption Overall | 7 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 70 L | 85 L |
