2003 BMW 520 vs. 2004 BMW 330
To start off, 2004 BMW 330 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 BMW 520. In addition, the cost of maintenance, including insurance, on 2003 BMW 520 would be higher. At 2,983 cc (6 cylinders), 2004 BMW 330 is equipped with a bigger engine. In terms of performance, 2004 BMW 330 (225 HP @ 7400 RPM) has 58 more horse power than 2003 BMW 520. (167 HP @ 6100 RPM) In normal driving conditions, 2004 BMW 330 should accelerate faster than 2003 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 520 weights approximately 210 kg more than 2004 BMW 330.
Let's talk about torque, 2004 BMW 330 (300 Nm) has 90 more torque (in Nm) than 2003 BMW 520. (210 Nm). This means 2004 BMW 330 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 520.
Compare all specifications:
| 2003 BMW 520 | 2004 BMW 330 | |
| Make | BMW | BMW |
| Model | 520 | 330 |
| Year Released | 2003 | 2004 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 2983 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 167 HP | 225 HP |
| Engine RPM | 6100 RPM | 7400 RPM |
| Torque | 210 Nm | 300 Nm |
| Engine Bore Size | 80 mm | 84 mm |
| Engine Stroke Size | 72 mm | 90 mm |
| Engine Compression Ratio | 10.7:1 | 10.2:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1700 kg | 1490 kg |
| Vehicle Length | 4810 mm | 4480 mm |
| Vehicle Width | 1810 mm | 1750 mm |
| Vehicle Height | 1450 mm | 1420 mm |
| Wheelbase Size | 2730 mm | 2730 mm |
| Fuel Consumption | 7.7 L/100km | 8 L/100km |
| Fuel Consumption City | 13 L/100km | 11.9 L/100km |
| Fuel Consumption Overall | 9.7 L/100km | 10.4 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
