2004 BMW M6 vs. 1990 BMW 730
To start off, 2004 BMW M6 is newer by 14 year(s). Which means there will be less support and parts availability for 1990 BMW 730. In addition, the cost of maintenance, including insurance, on 1990 BMW 730 would be higher. At 4,998 cc (10 cylinders), 2004 BMW M6 is equipped with a bigger engine. In terms of performance, 2004 BMW M6 (500 HP @ 7750 RPM) has 319 more horse power than 1990 BMW 730. (181 HP @ 5800 RPM). In normal driving conditions, 2004 BMW M6 should accelerate faster than 1990 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW M6 weights approximately 185 kg more than 1990 BMW 730. 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, 2004 BMW M6 (520 Nm @ 6100 RPM) has 260 more torque (in Nm) than 1990 BMW 730. (260 Nm @ 4000 RPM). This means 2004 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 1990 BMW 730.
Compare all specifications:
| 2004 BMW M6 | 1990 BMW 730 | |
| Make | BMW | BMW |
| Model | M6 | 730 |
| Year Released | 2004 | 1990 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4998 cc | 2986 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 500 HP | 181 HP |
| Engine RPM | 7750 RPM | 5800 RPM |
| Torque | 520 Nm | 260 Nm |
| Torque RPM | 6100 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 89 mm |
| Engine Stroke Size | 75.2 mm | 80 mm |
| Engine Compression Ratio | 12.0:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1785 kg | 1600 kg |
| Vehicle Length | 4880 mm | 4920 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2790 mm | 2840 mm |
| Fuel Tank Capacity | 70 L | 90 L |
