1973 BMW 2004 vs. 1993 BMW 856
To start off, 1993 BMW 856 is newer by 20 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 5,576 cc (12 cylinders), 1993 BMW 856 is equipped with a bigger engine. In terms of performance, 1993 BMW 856 (376 HP @ 5300 RPM) has 279 more horse power than 1973 BMW 2004. (97 HP @ 5800 RPM) In normal driving conditions, 1993 BMW 856 should accelerate faster than 1973 BMW 2004. With that said, vehicle weight also plays an important factor in acceleration. 1993 BMW 856 weights approximately 845 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, 1993 BMW 856 (550 Nm @ 4000 RPM) has 393 more torque (in Nm) than 1973 BMW 2004. (157 Nm @ 3000 RPM). This means 1993 BMW 856 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 2004.
Compare all specifications:
| 1973 BMW 2004 | 1993 BMW 856 | |
| Make | BMW | BMW |
| Model | 2004 | 856 |
| Year Released | 1973 | 1993 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 5576 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 97 HP | 376 HP |
| Engine RPM | 5800 RPM | 5300 RPM |
| Torque | 157 Nm | 550 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 89 mm | 86 mm |
| Engine Stroke Size | 80 mm | 80 mm |
| Engine Compression Ratio | 8.5:1 | 9.8:1 |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1020 kg | 1865 kg |
| Vehicle Length | 4420 mm | 4790 mm |
| Vehicle Width | 1620 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1350 mm |
| Wheelbase Size | 2510 mm | 2690 mm |
