2007 BMW 525 vs. 2003 BMW 545
To start off, 2007 BMW 525 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW 545. In addition, the cost of maintenance, including insurance, on 2003 BMW 545 would be higher. At 5,497 cc (6 cylinders), 2007 BMW 525 is equipped with a bigger engine. In terms of performance, 2003 BMW 545 (328 HP @ 6100 RPM) has 112 more horse power than 2007 BMW 525. (216 HP @ 6500 RPM) In normal driving conditions, 2003 BMW 545 should accelerate faster than 2007 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 545 weights approximately 175 kg more than 2007 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2003 BMW 545 (451 Nm @ 3600 RPM) has 201 more torque (in Nm) than 2007 BMW 525. (250 Nm @ 2900 RPM). This means 2003 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 525.
Compare all specifications:
| 2007 BMW 525 | 2003 BMW 545 | |
| Make | BMW | BMW |
| Model | 525 | 545 |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5497 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 216 HP | 328 HP |
| Engine RPM | 6500 RPM | 6100 RPM |
| Torque | 250 Nm | 451 Nm |
| Torque RPM | 2900 RPM | 3600 RPM |
| Acceleration 0-100mph | 7.9 seconds | 5.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1495 kg | 1670 kg |
| Vehicle Length | 4850 mm | 4850 mm |
| Vehicle Width | 1470 mm | 1850 mm |
| Vehicle Height | 1850 mm | 1470 mm |
| Wheelbase Size | 2890 mm | 2890 mm |
| Fuel Consumption Overall | 7 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
