2006 BMW 525 vs. 1999 BMW 730
To start off, 2006 BMW 525 is newer by 7 year(s). Which means there will be less support and parts availability for 1999 BMW 730. In addition, the cost of maintenance, including insurance, on 1999 BMW 730 would be higher. At 2,793 cc (6 cylinders), 1999 BMW 730 is equipped with a bigger engine. In terms of performance, both vehicles can yield 190 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW 730 weights approximately 386 kg more than 2006 BMW 525.
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, 1999 BMW 730 (280 Nm @ 3950 RPM) has 35 more torque (in Nm) than 2006 BMW 525. (245 Nm @ 3500 RPM). This means 1999 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 525.
Compare all specifications:
| 2006 BMW 525 | 1999 BMW 730 | |
| Make | BMW | BMW |
| Model | 525 | 730 |
| Year Released | 2006 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2793 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 190 HP | 190 HP |
| Engine RPM | 6000 RPM | 5300 RPM |
| Torque | 245 Nm | 280 Nm |
| Torque RPM | 3500 RPM | 3950 RPM |
| Engine Compression Ratio | 10.5:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1360 kg | 1746 kg |
| Vehicle Length | 4780 mm | 5130 mm |
| Vehicle Width | 1810 mm | 1870 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2940 mm |
| Fuel Tank Capacity | 70 L | 90 L |
