1992 BMW 525 vs. 1978 BMW 730
To start off, 1992 BMW 525 is newer by 14 year(s). Which means there will be less support and parts availability for 1978 BMW 730. In addition, the cost of maintenance, including insurance, on 1978 BMW 730 would be higher. At 2,788 cc (6 cylinders), 1978 BMW 730 is equipped with a bigger engine. In terms of performance, 1978 BMW 730 (185 HP @ 5800 RPM) has 44 more horse power than 1992 BMW 525. (141 HP @ 4800 RPM) In normal driving conditions, 1978 BMW 730 should accelerate faster than 1992 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1992 BMW 525 weights approximately 50 kg more than 1978 BMW 730.
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, 1992 BMW 525 (260 Nm @ 2200 RPM) has 30 more torque (in Nm) than 1978 BMW 730. (230 Nm @ 4000 RPM). This means 1992 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1978 BMW 730.
Compare all specifications:
| 1992 BMW 525 | 1978 BMW 730 | |
| Make | BMW | BMW |
| Model | 525 | 730 |
| Year Released | 1992 | 1978 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2498 cc | 2788 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 141 HP | 185 HP |
| Engine RPM | 4800 RPM | 5800 RPM |
| Torque | 260 Nm | 230 Nm |
| Torque RPM | 2200 RPM | 4000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1560 kg | 1510 kg |
| Vehicle Length | 4730 mm | 4870 mm |
| Vehicle Width | 1810 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1440 mm |
