2004 BMW 320 vs. 2006 BMW 323
To start off, 2006 BMW 323 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 BMW 320. In addition, the cost of maintenance, including insurance, on 2004 BMW 320 would be higher. At 2,497 cc, 2006 BMW 323 is equipped with a bigger engine. In terms of performance, 2006 BMW 323 (175 HP @ 5800 RPM) has 33 more horse power than 2004 BMW 320. (142 HP @ 4000 RPM) In normal driving conditions, 2006 BMW 323 should accelerate faster than 2004 BMW 320.
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, 2004 BMW 320 (330 Nm) has 100 more torque (in Nm) than 2006 BMW 323. (230 Nm). This means 2004 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 323.
Compare all specifications:
| 2004 BMW 320 | 2006 BMW 323 | |
| Make | BMW | BMW |
| Model | 320 | 323 |
| Year Released | 2004 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2497 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 142 HP | 175 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 330 Nm | 230 Nm |
| Engine Bore Size | 84 mm | 78.8 mm |
| Engine Stroke Size | 90 mm | 82 mm |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 211 km/hour | 229 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 7.9 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Width | 1760 mm | 1850 mm |
| Fuel Consumption Overall | 6.3 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
