2007 BMW 525 vs. 2009 BMW 120
To start off, 2009 BMW 120 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 525. In addition, the cost of maintenance, including insurance, on 2007 BMW 525 would be higher. At 2,497 cc (6 cylinders), 2007 BMW 525 is equipped with a bigger engine. In terms of performance, 2007 BMW 525 (175 HP @ 4000 RPM) has 21 more horse power than 2009 BMW 120. (154 HP @ 6700 RPM). In normal driving conditions, 2007 BMW 525 should accelerate faster than 2009 BMW 120. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 525 weights approximately 227 kg more than 2009 BMW 120. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2007 BMW 525 (400 Nm @ 2000 RPM) has 200 more torque (in Nm) than 2009 BMW 120. (200 Nm @ 4250 RPM). This means 2007 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 120.
Compare all specifications:
| 2007 BMW 525 | 2009 BMW 120 | |
| Make | BMW | BMW |
| Model | 525 | 120 |
| Year Released | 2007 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 154 HP |
| Engine RPM | 4000 RPM | 6700 RPM |
| Torque | 400 Nm | 200 Nm |
| Torque RPM | 2000 RPM | 4250 RPM |
| Engine Bore Size | 84 mm | 84.1 mm |
| Engine Stroke Size | 75.1 mm | 90 mm |
| Engine Compression Ratio | 17.0:1 | 12.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1752 kg | 1525 kg |
| Vehicle Length | 4850 mm | 4250 mm |
| Vehicle Width | 1850 mm | 1430 mm |
| Vehicle Height | 1500 mm | 1750 mm |
| Wheelbase Size | 2840 mm | 2670 mm |
| Fuel Consumption Overall | 7.1 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 70 L | 53 L |
