2006 BMW 525 vs. 2011 BMW 325
To start off, 2011 BMW 325 is newer by 5 year(s). Which means there will be less support and parts availability for 2006 BMW 525. In addition, the cost of maintenance, including insurance, on 2006 BMW 525 would be higher. At 2,999 cc (6 cylinders), 2006 BMW 525 is equipped with a bigger engine. In terms of performance, both vehicles can yield 215 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 525 weights approximately 135 kg more than 2011 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, 2011 BMW 325 (270 Nm @ 2400 RPM) has 19 more torque (in Nm) than 2006 BMW 525. (251 Nm @ 2750 RPM). This means 2011 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 525.
Compare all specifications:
| 2006 BMW 525 | 2011 BMW 325 | |
| Make | BMW | BMW |
| Model | 525 | 325 |
| Year Released | 2006 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 215 HP |
| Engine RPM | 6250 RPM | 6100 RPM |
| Torque | 251 Nm | 270 Nm |
| Torque RPM | 2750 RPM | 2400 RPM |
| Engine Bore Size | 85.1 mm | 85 mm |
| Engine Stroke Size | 88.1 mm | 88 mm |
| Engine Compression Ratio | 10.7:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 241 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 6.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1630 kg | 1495 kg |
| Vehicle Length | 4860 mm | 4590 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2890 mm | 2770 mm |
| Fuel Consumption Overall | 7.8 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
