1998 BMW 728 vs. 2009 BMW 525
To start off, 2009 BMW 525 is newer by 11 year(s). Which means there will be less support and parts availability for 1998 BMW 728. In addition, the cost of maintenance, including insurance, on 1998 BMW 728 would be higher. At 5,495 cc (6 cylinders), 2009 BMW 525 is equipped with a bigger engine. In terms of performance, 2009 BMW 525 (215 HP @ 6500 RPM) has 25 more horse power than 1998 BMW 728. (190 HP @ 5500 RPM) In normal driving conditions, 2009 BMW 525 should accelerate faster than 1998 BMW 728. With that said, vehicle weight also plays an important factor in acceleration. 1998 BMW 728 weights approximately 280 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, 1998 BMW 728 (280 Nm @ 3500 RPM) has 30 more torque (in Nm) than 2009 BMW 525. (250 Nm @ 2900 RPM). This means 1998 BMW 728 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525.
Compare all specifications:
| 1998 BMW 728 | 2009 BMW 525 | |
| Make | BMW | BMW |
| Model | 728 | 525 |
| Year Released | 1998 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 5495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 190 HP | 215 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 280 Nm | 250 Nm |
| Torque RPM | 3500 RPM | 2900 RPM |
| Acceleration 0-100mph | 9.6 seconds | 7.9 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1805 kg | 1525 kg |
| Vehicle Length | 4990 mm | 4850 mm |
| Vehicle Width | 1870 mm | 1470 mm |
| Vehicle Height | 1440 mm | 1850 mm |
| Wheelbase Size | 2940 mm | 2890 mm |
| Fuel Tank Capacity | 85 L | 70 L |
