2005 BMW 730 vs. 1986 BMW M6
To start off, 2005 BMW 730 is newer by 19 year(s). Which means there will be less support and parts availability for 1986 BMW M6. In addition, the cost of maintenance, including insurance, on 1986 BMW M6 would be higher. At 3,453 cc (6 cylinders), 1986 BMW M6 is equipped with a bigger engine. In terms of performance, 1986 BMW M6 (282 HP @ 6500 RPM) has 57 more horse power than 2005 BMW 730. (225 HP @ 4000 RPM) In normal driving conditions, 1986 BMW M6 should accelerate faster than 2005 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 470 kg more than 1986 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, 2005 BMW 730 (500 Nm @ 2000 RPM) has 165 more torque (in Nm) than 1986 BMW M6. (335 Nm @ 4500 RPM). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1986 BMW M6. 2005 BMW 730 has automatic transmission and 1986 BMW M6 has manual transmission. 1986 BMW M6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW 730 | 1986 BMW M6 | |
| Make | BMW | BMW |
| Model | 730 | M6 |
| Year Released | 2005 | 1986 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 3453 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 225 HP | 282 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 500 Nm | 335 Nm |
| Torque RPM | 2000 RPM | 4500 RPM |
| Engine Bore Size | 84.1 mm | 93.4 mm |
| Engine Stroke Size | 90 mm | 84 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1975 kg | 1505 kg |
| Vehicle Length | 5050 mm | 4760 mm |
| Vehicle Width | 1910 mm | 1730 mm |
| Vehicle Height | 1500 mm | 1360 mm |
| Wheelbase Size | 2890 mm | 2630 mm |
| Fuel Tank Capacity | 88 L | 70 L |
