1995 BMW S3 vs. 1979 BMW 633
To start off, 1995 BMW S3 is newer by 16 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, 1995 BMW S3 (338 HP @ 4800 RPM) has 144 more horse power than 1979 BMW 633. (194 HP @ 5500 RPM). In normal driving conditions, 1995 BMW S3 should accelerate faster than 1979 BMW 633. With that said, vehicle weight also plays an important factor in acceleration. 1995 BMW S3 weights approximately 255 kg more than 1979 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, 1979 BMW 633 (285 Nm) has 25 more torque (in Nm) than 1995 BMW S3. (260 Nm). This means 1979 BMW 633 will have an easier job in driving up hills or pulling heavy equipment than 1995 BMW S3.
Compare all specifications:
| 1995 BMW S3 | 1979 BMW 633 | |
| Make | BMW | BMW |
| Model | S3 | 633 |
| Year Released | 1995 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3210 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 338 HP | 194 HP |
| Engine RPM | 4800 RPM | 5500 RPM |
| Torque | 260 Nm | 285 Nm |
| Engine Compression Ratio | 10.5:1 | 9.3:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 1725 kg | 1470 kg |
| Vehicle Length | 4440 mm | 4760 mm |
| Vehicle Width | 1720 mm | 1760 mm |
| Vehicle Height | 1370 mm | 1390 mm |
| Wheelbase Size | 2770 mm | 2640 mm |
