1984 BMW M6 vs. 1986 BMW 730
To start off, 1986 BMW 730 is newer by 2 year(s). Which means there will be less support and parts availability for 1984 BMW M6. In addition, the cost of maintenance, including insurance, on 1984 BMW M6 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 85 more horse power than 1986 BMW 730. (197 HP @ 5800 RPM). In normal driving conditions, 1984 BMW M6 should accelerate faster than 1986 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1986 BMW 730 weights approximately 95 kg more than 1984 BMW M6.
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 60 more torque (in Nm) than 1986 BMW 730. (275 Nm @ 4000 RPM). This means 1984 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 1986 BMW 730.
Compare all specifications:
| 1984 BMW M6 | 1986 BMW 730 | |
| Make | BMW | BMW |
| Model | M6 | 730 |
| Year Released | 1984 | 1986 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 2986 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 282 HP | 197 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 335 Nm | 275 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 93.4 mm | 89 mm |
| Engine Stroke Size | 84 mm | 80 mm |
| Top Speed | 254 km/hour | 225 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 9.3 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 | 1600 kg |
| Vehicle Length | 4760 mm | 4920 mm |
| Vehicle Width | 1730 mm | 1850 mm |
| Vehicle Height | 1360 mm | 1420 mm |
| Wheelbase Size | 2630 mm | 2800 mm |
