1984 BMW M6 vs. 1972 BMW 520
To start off, 1984 BMW M6 is newer by 12 year(s). Which means there will be less support and parts availability for 1972 BMW 520. In addition, the cost of maintenance, including insurance, on 1972 BMW 520 would be higher. At 3,453 cc (6 cylinders), 1984 BMW M6 is equipped with a bigger engine. In terms of performance, 1984 BMW M6 (282 HP @ 6500 RPM) has 132 more horse power than 1972 BMW 520. (150 HP @ 5900 RPM). In normal driving conditions, 1984 BMW M6 should accelerate faster than 1972 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1984 BMW M6 weights approximately 60 kg more than 1972 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1984 BMW M6 (335 Nm @ 4500 RPM) has 145 more torque (in Nm) than 1972 BMW 520. (190 Nm @ 4200 RPM). This means 1984 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 1972 BMW 520.
Compare all specifications:
| 1984 BMW M6 | 1972 BMW 520 | |
| Make | BMW | BMW |
| Model | M6 | 520 |
| Year Released | 1984 | 1972 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 150 HP |
| Engine RPM | 6500 RPM | 5900 RPM |
| Torque | 335 Nm | 190 Nm |
| Torque RPM | 4500 RPM | 4200 RPM |
| Engine Bore Size | 93.4 mm | 80 mm |
| Engine Stroke Size | 84 mm | 66 mm |
| Top Speed | 254 km/hour | 211 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 10.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1505 kg | 1445 kg |
| Vehicle Length | 4760 mm | 4630 mm |
| Vehicle Width | 1730 mm | 1700 mm |
| Vehicle Height | 1360 mm | 1430 mm |
| Wheelbase Size | 2630 mm | 2770 mm |
| Fuel Tank Capacity | 70 L | 80 L |
