1984 BMW 725 vs. 2005 BMW 525
To start off, 2005 BMW 525 is newer by 21 year(s). Which means there will be less support and parts availability for 1984 BMW 725. In addition, the cost of maintenance, including insurance, on 1984 BMW 725 would be higher. Both 1984 BMW 725 and 2005 BMW 525 are equipped with a 2,495 cc engine. In terms of performance, 2005 BMW 525 (215 HP @ 6500 RPM) has 67 more horse power than 1984 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 2005 BMW 525 should accelerate faster than 1984 BMW 725.
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, 2005 BMW 525 (250 Nm @ 2750 RPM) has 35 more torque (in Nm) than 1984 BMW 725. (215 Nm @ 4000 RPM). This means 2005 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1984 BMW 725.
Compare all specifications:
| 1984 BMW 725 | 2005 BMW 525 | |
| Make | BMW | BMW |
| Model | 725 | 525 |
| Year Released | 1984 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 2495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 215 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 215 Nm | 250 Nm |
| Torque RPM | 4000 RPM | 2750 RPM |
| Engine Bore Size | 86 mm | 82 mm |
| Engine Stroke Size | 71.6 mm | 78.8 mm |
| Engine Compression Ratio | 9.6:1 | 11.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4870 mm | 4780 mm |
| Vehicle Width | 1810 mm | 1810 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2810 mm | 3000 mm |
