1984 BMW M6 vs. 2005 BMW M3
To start off, 2005 BMW M3 is newer by 21 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, 2005 BMW M3 (323 HP @ 7900 RPM) has 41 more horse power than 1984 BMW M6. (282 HP @ 6500 RPM) In normal driving conditions, 2005 BMW M3 should accelerate faster than 1984 BMW M6. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW M3 weights approximately 195 kg more than 1984 BMW M6. 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, 2005 BMW M3 (372 Nm @ 4900 RPM) has 38 more torque (in Nm) than 1984 BMW M6. (334 Nm @ 4500 RPM). This means 2005 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 1984 BMW M6.
Compare all specifications:
| 1984 BMW M6 | 2005 BMW M3 | |
| Make | BMW | BMW |
| Model | M6 | M3 |
| Year Released | 1984 | 2005 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 3246 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 323 HP |
| Engine RPM | 6500 RPM | 7900 RPM |
| Torque | 334 Nm | 372 Nm |
| Torque RPM | 4500 RPM | 4900 RPM |
| Engine Compression Ratio | 10.5:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1505 kg | 1700 kg |
| Vehicle Length | 4760 mm | 4490 mm |
| Vehicle Width | 1730 mm | 1790 mm |
| Vehicle Height | 1360 mm | 1340 mm |
| Wheelbase Size | 2630 mm | 2730 mm |
| Fuel Tank Capacity | 70 L | 63 L |
