2003 BMW 325 vs. 2005 BMW 525
To start off, 2005 BMW 525 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 BMW 325. In addition, the cost of maintenance, including insurance, on 2003 BMW 325 would be higher. At 2,496 cc (6 cylinders), 2005 BMW 525 is equipped with a bigger engine. In terms of performance, 2005 BMW 525 (225 HP @ 6500 RPM) has 33 more horse power than 2003 BMW 325. (192 HP @ 6000 RPM) In normal driving conditions, 2005 BMW 525 should accelerate faster than 2003 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 525 weights approximately 280 kg more than 2003 BMW 325. 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 525 (250 Nm @ 2750 RPM) has 5 more torque (in Nm) than 2003 BMW 325. (245 Nm @ 3500 RPM). This means 2005 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 325.
Compare all specifications:
| 2003 BMW 325 | 2005 BMW 525 | |
| Make | BMW | BMW |
| Model | 325 | 525 |
| Year Released | 2003 | 2005 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2496 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 192 HP | 225 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 245 Nm | 250 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Engine Bore Size | 84.1 mm | 82 mm |
| Engine Stroke Size | 75 mm | 78.8 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Acceleration 0-100mph | 7.1 seconds | 8.5 seconds |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1480 kg | 1760 kg |
| Vehicle Length | 4270 mm | 4850 mm |
| Vehicle Width | 1760 mm | 1850 mm |
| Vehicle Height | 1410 mm | 1500 mm |
| Wheelbase Size | 2730 mm | 2890 mm |
| Fuel Consumption | 7 L/100km | 7.2 L/100km |
| Fuel Consumption City | 12.3 L/100km | 13.7 L/100km |
| Fuel Consumption Overall | 8.9 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
