1998 BMW 728 vs. 2007 BMW 525
To start off, 2007 BMW 525 is newer by 9 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 2,926 cc (6 cylinders), 1998 BMW 728 is equipped with a bigger engine. In terms of performance, 2007 BMW 525 (215 HP @ 6500 RPM) has 25 more horse power than 1998 BMW 728. (190 HP @ 5500 RPM) In normal driving conditions, 2007 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 525 kg more than 2007 BMW 525.
Because 2007 BMW 525 is four wheel drive (4WD), it will have significant more traction and grip than 1998 BMW 728. In wet, icy, snow, or gravel driving conditions, 2007 BMW 525 will offer significantly more control. 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 29 more torque (in Nm) than 2007 BMW 525. (251 Nm @ 2750 RPM). This means 1998 BMW 728 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 525.
Compare all specifications:
| 1998 BMW 728 | 2007 BMW 525 | |
| Make | BMW | BMW |
| Model | 728 | 525 |
| Year Released | 1998 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 2497 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 | 251 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Acceleration 0-100mph | 9.6 seconds | 8.5 seconds |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1805 kg | 1280 kg |
| Vehicle Length | 4990 mm | 4850 mm |
| Vehicle Width | 1870 mm | 1850 mm |
| Vehicle Height | 1440 mm | 1500 mm |
| Wheelbase Size | 2940 mm | 2840 mm |
| Fuel Tank Capacity | 85 L | 70 L |
