2007 BMW 525 vs. 2007 BMW X3
To start off, both 2007 BMW 525 and 2007 BMW X3 were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,979 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (260 HP @ 6600 RPM) has 70 more horse power than 2007 BMW 525. (190 HP @ 3500 RPM) In normal driving conditions, 2007 BMW X3 should accelerate faster than 2007 BMW 525.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 525. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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, 2007 BMW X3 (305 Nm @ 2750 RPM) has 60 more torque (in Nm) than 2007 BMW 525. (245 Nm @ 3500 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 525.
Compare all specifications:
| 2007 BMW 525 | 2007 BMW X3 | |
| Make | BMW | BMW |
| Model | 525 | X3 |
| Year Released | 2007 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2979 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 190 HP | 260 HP |
| Engine RPM | 3500 RPM | 6600 RPM |
| Torque | 245 Nm | 305 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Engine Bore Size | 84 mm | 85.1 mm |
| Engine Stroke Size | 75 mm | 87.9 mm |
| Engine Compression Ratio | 10.5:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 238 km/hour | 209 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 5 doors |
