2009 BMW 525 vs. 1999 BMW 730
To start off, 2009 BMW 525 is newer by 10 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, 2009 BMW 525 (215 HP @ 6500 RPM) has 25 more horse power than 1999 BMW 730. (190 HP @ 5300 RPM). In normal driving conditions, 2009 BMW 525 should accelerate faster than 1999 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW 730 weights approximately 361 kg more than 2009 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 30 more torque (in Nm) than 2009 BMW 525. (250 Nm @ 2900 RPM). This means 1999 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525. 1999 BMW 730 has automatic transmission and 2009 BMW 525 has manual transmission. 2009 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW 525 | 1999 BMW 730 | |
| Make | BMW | BMW |
| Model | 525 | 730 |
| Year Released | 2009 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2793 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 190 HP |
| Engine RPM | 6500 RPM | 5300 RPM |
| Torque | 250 Nm | 280 Nm |
| Torque RPM | 2900 RPM | 3950 RPM |
| Engine Compression Ratio | 11.0:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1385 kg | 1746 kg |
| Vehicle Length | 4850 mm | 5130 mm |
| Vehicle Width | 1470 mm | 1870 mm |
| Vehicle Height | 1850 mm | 1430 mm |
| Wheelbase Size | 2890 mm | 2940 mm |
| Fuel Tank Capacity | 70 L | 90 L |
