2007 BMW 523 vs. 2006 BMW 325
To start off, 2007 BMW 523 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 BMW 325. In addition, the cost of maintenance, including insurance, on 2006 BMW 325 would be higher. At 2,501 cc (6 cylinders), 2006 BMW 325 is equipped with a bigger engine. In terms of performance, 2006 BMW 325 (184 HP @ 6000 RPM) has 9 more horse power than 2007 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2006 BMW 325 should accelerate faster than 2007 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 523 weights approximately 5 kg more than 2006 BMW 325.
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 325 (238 Nm @ 3500 RPM) has 8 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 2006 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523.
Compare all specifications:
| 2007 BMW 523 | 2006 BMW 325 | |
| Make | BMW | BMW |
| Model | 523 | 325 |
| Year Released | 2007 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2501 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 184 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 230 Nm | 238 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 82 mm | 84.1 mm |
| Engine Stroke Size | 78.8 mm | 74.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 9.6 seconds | 7.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1500 kg | 1495 kg |
| Vehicle Length | 4850 mm | 4490 mm |
| Vehicle Width | 1470 mm | 1760 mm |
| Vehicle Height | 1850 mm | 1380 mm |
| Wheelbase Size | 2890 mm | 2730 mm |
| Fuel Consumption Overall | 9.3 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
