1992 BMW M3 vs. 1979 BMW 633
To start off, 1992 BMW M3 is newer by 13 year(s). Which means there will be less support and parts availability for 1979 BMW 633. In addition, the cost of maintenance, including insurance, on 1979 BMW 633 would be higher. At 3,210 cc (6 cylinders), 1979 BMW 633 is equipped with a bigger engine. In terms of performance, 1992 BMW M3 (282 HP @ 7000 RPM) has 88 more horse power than 1979 BMW 633. (194 HP @ 5500 RPM). In normal driving conditions, 1992 BMW M3 should accelerate faster than 1979 BMW 633. With that said, vehicle weight also plays an important factor in acceleration. 1979 BMW 633 weights approximately 5 kg more than 1992 BMW M3.
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, 1992 BMW M3 (320 Nm @ 3400 RPM) has 35 more torque (in Nm) than 1979 BMW 633. (285 Nm @ 4300 RPM). This means 1992 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 1979 BMW 633.
Compare all specifications:
| 1992 BMW M3 | 1979 BMW 633 | |
| Make | BMW | BMW |
| Model | M3 | 633 |
| Year Released | 1992 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 2990 cc | 3210 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 282 HP | 194 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 320 Nm | 285 Nm |
| Torque RPM | 3400 RPM | 4300 RPM |
| Engine Bore Size | 86 mm | 89 mm |
| Engine Stroke Size | 85.8 mm | 86 mm |
| Engine Compression Ratio | 10.8:1 | 9.3:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1465 kg | 1470 kg |
| Vehicle Length | 4440 mm | 4760 mm |
| Vehicle Width | 1710 mm | 1760 mm |
| Vehicle Height | 1370 mm | 1390 mm |
| Wheelbase Size | 2710 mm | 2640 mm |
| Fuel Tank Capacity | 65 L | 70 L |
