2004 BMW 525 vs. 2004 BMW 730
To start off, both 2004 BMW 525 and 2004 BMW 730 were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,979 cc (6 cylinders), 2004 BMW 730 is equipped with a bigger engine. In terms of performance, 2004 BMW 730 (225 HP @ 6000 RPM) has 51 more horse power than 2004 BMW 525. (174 HP @ 4000 RPM) In normal driving conditions, 2004 BMW 730 should accelerate faster than 2004 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 730 weights approximately 85 kg more than 2004 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, 2004 BMW 525 (410 Nm @ 2000 RPM) has 110 more torque (in Nm) than 2004 BMW 730. (300 Nm @ 3500 RPM). This means 2004 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 730.
Compare all specifications:
| 2004 BMW 525 | 2004 BMW 730 | |
| Make | BMW | BMW |
| Model | 525 | 730 |
| Year Released | 2004 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 225 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 410 Nm | 300 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 84.1 mm | 84 mm |
| Engine Stroke Size | 75.1 mm | 90 mm |
| Engine Compression Ratio | 17.0:1 | 10.2:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1705 kg | 1790 kg |
| Vehicle Length | 4850 mm | 5040 mm |
| Vehicle Width | 1850 mm | 1910 mm |
| Vehicle Height | 1470 mm | 1500 mm |
| Wheelbase Size | 2890 mm | 3000 mm |
| Fuel Tank Capacity | 70 L | 63 L |
