2003 BMW 525 vs. 2009 BMW 320
To start off, 2009 BMW 320 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 2,492 cc (6 cylinders), 2003 BMW 525 is equipped with a bigger engine. In terms of performance, 2003 BMW 525 (184 HP @ 6000 RPM) has 36 more horse power than 2009 BMW 320. (148 HP @ 4000 RPM). In normal driving conditions, 2003 BMW 525 should accelerate faster than 2009 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 320 weights approximately 15 kg more than 2003 BMW 525.
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 320 (331 Nm @ 2000 RPM) has 86 more torque (in Nm) than 2003 BMW 525. (245 Nm @ 3500 RPM). This means 2009 BMW 320 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 320 | |
| Make | BMW | BMW |
| Model | 525 | 320 |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 184 HP | 148 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 245 Nm | 331 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 75 mm | 90 mm |
| Top Speed | 238 km/hour | 216 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 9.2 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1565 kg | 1580 kg |
| Vehicle Length | 4850 mm | 4480 mm |
| Vehicle Width | 1850 mm | 1750 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2730 mm |
| Fuel Consumption Overall | 9.4 L/100km | 6 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
