1990 BMW 520 vs. 1977 BMW 732
To start off, 1990 BMW 520 is newer by 13 year(s). Which means there will be less support and parts availability for 1977 BMW 732. In addition, the cost of maintenance, including insurance, on 1977 BMW 732 would be higher. At 3,210 cc (6 cylinders), 1977 BMW 732 is equipped with a bigger engine. In terms of performance, 1977 BMW 732 (194 HP @ 5500 RPM) has 49 more horse power than 1990 BMW 520. (145 HP @ 5900 RPM) In normal driving conditions, 1977 BMW 732 should accelerate faster than 1990 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1990 BMW 520 weights approximately 2 kg more than 1977 BMW 732.
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, 1977 BMW 732 (290 Nm @ 4300 RPM) has 104 more torque (in Nm) than 1990 BMW 520. (186 Nm @ 4700 RPM). This means 1977 BMW 732 will have an easier job in driving up hills or pulling heavy equipment than 1990 BMW 520.
Compare all specifications:
| 1990 BMW 520 | 1977 BMW 732 | |
| Make | BMW | BMW |
| Model | 520 | 732 |
| Year Released | 1990 | 1977 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 3210 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 145 HP | 194 HP |
| Engine RPM | 5900 RPM | 5500 RPM |
| Torque | 186 Nm | 290 Nm |
| Torque RPM | 4700 RPM | 4300 RPM |
| Engine Bore Size | 80 mm | 89 mm |
| Engine Stroke Size | 66 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 9.3:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1542 kg | 1540 kg |
| Vehicle Length | 4730 mm | 4870 mm |
| Vehicle Width | 1760 mm | 1810 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2770 mm | 2800 mm |
