1973 BMW 2004 vs. 2005 BMW 730
To start off, 2005 BMW 730 is newer by 32 year(s). Which means there will be less support and parts availability for 1973 BMW 2004. In addition, the cost of maintenance, including insurance, on 1973 BMW 2004 would be higher. At 2,977 cc (6 cylinders), 2005 BMW 730 is equipped with a bigger engine. In terms of performance, 2005 BMW 730 (254 HP @ 6600 RPM) has 157 more horse power than 1973 BMW 2004. (97 HP @ 5800 RPM) In normal driving conditions, 2005 BMW 730 should accelerate faster than 1973 BMW 2004. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 915 kg more than 1973 BMW 2004. 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 730 (300 Nm @ 2500 RPM) has 143 more torque (in Nm) than 1973 BMW 2004. (157 Nm @ 3000 RPM). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 2004.
Compare all specifications:
| 1973 BMW 2004 | 2005 BMW 730 | |
| Make | BMW | BMW |
| Model | 2004 | 730 |
| Year Released | 1973 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 2977 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 97 HP | 254 HP |
| Engine RPM | 5800 RPM | 6600 RPM |
| Torque | 157 Nm | 300 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Engine Bore Size | 89 mm | 85 mm |
| Engine Stroke Size | 80 mm | 88 mm |
| Engine Compression Ratio | 8.5:1 | 10.7:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1020 kg | 1935 kg |
| Vehicle Length | 4420 mm | 5040 mm |
| Vehicle Width | 1620 mm | 1910 mm |
| Vehicle Height | 1400 mm | 1500 mm |
| Wheelbase Size | 2510 mm | 2840 mm |
