2003 BMW X5 vs. 2008 BMW 525
To start off, 2008 BMW 525 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 BMW X5. In addition, the cost of maintenance, including insurance, on 2003 BMW X5 would be higher. At 2,979 cc (6 cylinders), 2003 BMW X5 is equipped with a bigger engine. In terms of performance, both vehicles can yield 215 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X5 weights approximately 620 kg more than 2008 BMW 525.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2003 BMW X5 (500 Nm @ 2000 RPM) has 250 more torque (in Nm) than 2008 BMW 525. (250 Nm @ 2750 RPM). This means 2003 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 525.
Compare all specifications:
| 2003 BMW X5 | 2008 BMW 525 | |
| Make | BMW | BMW |
| Model | X5 | 525 |
| Year Released | 2003 | 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 | 215 HP | 215 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 500 Nm | 250 Nm |
| Torque RPM | 2000 RPM | 2750 RPM |
| Engine Bore Size | 84.1 mm | 78.9 mm |
| Engine Stroke Size | 90 mm | 82 mm |
| Engine Compression Ratio | 18.0:1 | 11.0:1 |
| Acceleration 0-100mph | 8.3 seconds | 8.5 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2170 kg | 1550 kg |
| Vehicle Length | 4670 mm | 4850 mm |
| Vehicle Width | 1880 mm | 1850 mm |
| Vehicle Height | 1720 mm | 1500 mm |
| Wheelbase Size | 2940 mm | 2840 mm |
| Fuel Consumption Overall | 8.6 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 93 L | 70 L |
