1976 BMW 633 vs. 1993 BMW 856
To start off, 1993 BMW 856 is newer by 17 year(s). Which means there will be less support and parts availability for 1976 BMW 633. In addition, the cost of maintenance, including insurance, on 1976 BMW 633 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 179 more horse power than 1976 BMW 633. (197 HP @ 5500 RPM) In normal driving conditions, 1993 BMW 856 should accelerate faster than 1976 BMW 633. With that said, vehicle weight also plays an important factor in acceleration. 1993 BMW 856 weights approximately 395 kg more than 1976 BMW 633. 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 265 more torque (in Nm) than 1976 BMW 633. (285 Nm @ 4250 RPM). This means 1993 BMW 856 will have an easier job in driving up hills or pulling heavy equipment than 1976 BMW 633.
Compare all specifications:
| 1976 BMW 633 | 1993 BMW 856 | |
| Make | BMW | BMW |
| Model | 633 | 856 |
| Year Released | 1976 | 1993 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3210 cc | 5576 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 197 HP | 376 HP |
| Engine RPM | 5500 RPM | 5300 RPM |
| Torque | 285 Nm | 550 Nm |
| Torque RPM | 4250 RPM | 4000 RPM |
| Engine Compression Ratio | 9.0:1 | 9.8:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1470 kg | 1865 kg |
| Vehicle Length | 4760 mm | 4790 mm |
| Vehicle Width | 1760 mm | 1860 mm |
| Vehicle Height | 1390 mm | 1350 mm |
| Wheelbase Size | 2630 mm | 2690 mm |
