2005 BMW 325 vs. 2007 BMW 545
To start off, 2007 BMW 545 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. At 4,398 cc (8 cylinders), 2007 BMW 545 is equipped with a bigger engine. In terms of performance, 2007 BMW 545 (328 HP @ 6100 RPM) has 113 more horse power than 2005 BMW 325. (215 HP @ 6500 RPM) In normal driving conditions, 2007 BMW 545 should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 545 weights approximately 211 kg more than 2005 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, 2007 BMW 545 (450 Nm @ 3600 RPM) has 200 more torque (in Nm) than 2005 BMW 325. (250 Nm @ 2750 RPM). This means 2007 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2005 BMW 325 | 2007 BMW 545 | |
| Make | BMW | BMW |
| Model | 325 | 545 |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 328 HP |
| Engine RPM | 6500 RPM | 6100 RPM |
| Torque | 250 Nm | 450 Nm |
| Torque RPM | 2750 RPM | 3600 RPM |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1494 kg | 1705 kg |
| Vehicle Length | 4480 mm | 4850 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2890 mm |
| Fuel Tank Capacity | 63 L | 70 L |
