2004 BMW 525 vs. 2006 BMW 320
To start off, 2006 BMW 320 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 BMW 525. In addition, the cost of maintenance, including insurance, on 2004 BMW 525 would be higher. At 2,494 cc (6 cylinders), 2004 BMW 525 is equipped with a bigger engine. In terms of performance, 2004 BMW 525 (193 HP @ 6100 RPM) has 32 more horse power than 2006 BMW 320. (161 HP @ 4000 RPM). In normal driving conditions, 2004 BMW 525 should accelerate faster than 2006 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 320 weights approximately 29 kg more than 2004 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, 2006 BMW 320 (340 Nm @ 2000 RPM) has 95 more torque (in Nm) than 2004 BMW 525. (245 Nm @ 3500 RPM). This means 2006 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 525.
Compare all specifications:
| 2004 BMW 525 | 2006 BMW 320 | |
| Make | BMW | BMW |
| Model | 525 | 320 |
| Year Released | 2004 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 193 HP | 161 HP |
| Engine RPM | 6100 RPM | 4000 RPM |
| Torque | 245 Nm | 340 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 75 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 17.0:1 |
| Top Speed | 232 km/hour | 225 km/hour |
| Acceleration 0-100mph | 8.2 seconds | 8.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1656 kg | 1685 kg |
| Vehicle Length | 4810 mm | 4530 mm |
| Vehicle Width | 1810 mm | 1820 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2730 mm | 2770 mm |
| Fuel Consumption Overall | 9.8 L/100km | 5.7 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
