2004 BMW 325 vs. 2006 BMW 523
To start off, 2006 BMW 523 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 BMW 325. In addition, the cost of maintenance, including insurance, on 2004 BMW 325 would be higher. At 2,497 cc (6 cylinders), 2006 BMW 523 is equipped with a bigger engine. In terms of performance, 2006 BMW 523 (175 HP @ 5800 RPM) has 59 more horse power than 2004 BMW 325. (116 HP @ 4800 RPM) In normal driving conditions, 2006 BMW 523 should accelerate faster than 2004 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 523 weights approximately 302 kg more than 2004 BMW 325. 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, 2006 BMW 523 (230 Nm @ 3500 RPM) has 10 more torque (in Nm) than 2004 BMW 325. (220 Nm @ 2400 RPM). This means 2006 BMW 523 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 325.
Compare all specifications:
| 2004 BMW 325 | 2006 BMW 523 | |
| Make | BMW | BMW |
| Model | 325 | 523 |
| Year Released | 2004 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 116 HP | 175 HP |
| Engine RPM | 4800 RPM | 5800 RPM |
| Torque | 220 Nm | 230 Nm |
| Torque RPM | 2400 RPM | 3500 RPM |
| Engine Bore Size | 80 mm | 78.8 mm |
| Engine Stroke Size | 83 mm | 82 mm |
| Engine Compression Ratio | 22.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 187 km/hour | 230 km/hour |
| Acceleration 0-100mph | 12.3 seconds | 9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1330 kg | 1632 kg |
| Vehicle Length | 4330 mm | 4850 mm |
| Vehicle Width | 1650 mm | 1850 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2890 mm |
| Fuel Consumption Overall | 5.7 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
