2005 BMW 325 vs. 2007 BMW 523
To start off, 2007 BMW 523 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 325. In addition, the cost of maintenance, including insurance, on 2005 BMW 325 would be higher. Both 2005 BMW 325 and 2007 BMW 523 are equipped with a 2,497 cc engine. In terms of performance, 2005 BMW 325 (215 HP @ 6500 RPM) has 40 more horse power than 2007 BMW 523. (175 HP @ 5800 RPM). In normal driving conditions, 2005 BMW 325 should accelerate faster than 2007 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 325 weights approximately 4 kg more than 2007 BMW 523. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 BMW 325 (250 Nm @ 2750 RPM) has 20 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 2005 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523.
Compare all specifications:
| 2005 BMW 325 | 2007 BMW 523 | |
| Make | BMW | BMW |
| Model | 325 | 523 |
| Year Released | 2005 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 175 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 250 Nm | 230 Nm |
| Torque RPM | 2750 RPM | 3500 RPM |
| Engine Bore Size | 82 mm | 82.1 mm |
| Engine Stroke Size | 78.8 mm | 78.8 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1494 kg | 1490 kg |
| Vehicle Width | 1820 mm | 1470 mm |
| Vehicle Height | 1440 mm | 1850 mm |
| Wheelbase Size | 2730 mm | 2890 mm |
| Fuel Tank Capacity | 63 L | 70 L |
