2003 BMW 525 vs. 2009 BMW 125
To start off, 2009 BMW 125 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 BMW 525. In addition, the cost of maintenance, including insurance, on 2003 BMW 525 would be higher. At 2,497 cc (6 cylinders), 2009 BMW 125 is equipped with a bigger engine. In terms of performance, 2009 BMW 125 (215 HP @ 6500 RPM) has 31 more horse power than 2003 BMW 525. (184 HP @ 6000 RPM) In normal driving conditions, 2009 BMW 125 should accelerate faster than 2003 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 525 weights approximately 239 kg more than 2009 BMW 125.
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, 2009 BMW 125 (250 Nm @ 2750 RPM) has 5 more torque (in Nm) than 2003 BMW 525. (245 Nm @ 3500 RPM). This means 2009 BMW 125 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 525.
Compare all specifications:
| 2003 BMW 525 | 2009 BMW 125 | |
| Make | BMW | BMW |
| Model | 525 | 125 |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 184 HP | 215 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 245 Nm | 250 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Engine Compression Ratio | 10.5:1 | 10.2:1 |
| Top Speed | 238 km/hour | 245 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 6.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1565 kg | 1326 kg |
| Vehicle Length | 4850 mm | 4370 mm |
| Vehicle Width | 1850 mm | 1430 mm |
| Vehicle Height | 1470 mm | 1760 mm |
| Wheelbase Size | 2890 mm | 2670 mm |
| Fuel Consumption Overall | 9.4 L/100km | 5.1 L/100km |
| Fuel Tank Capacity | 70 L | 53 L |
