1975 BMW 315 vs. 1995 BMW S3
To start off, 1995 BMW S3 is newer by 20 year(s). Which means there will be less support and parts availability for 1975 BMW 315. In addition, the cost of maintenance, including insurance, on 1975 BMW 315 would be higher. At 2,497 cc (6 cylinders), 1995 BMW S3 is equipped with a bigger engine. In terms of performance, 1995 BMW S3 (338 HP @ 4800 RPM) has 263 more horse power than 1975 BMW 315. (75 HP @ 5800 RPM) In normal driving conditions, 1995 BMW S3 should accelerate faster than 1975 BMW 315. With that said, vehicle weight also plays an important factor in acceleration. 1995 BMW S3 weights approximately 715 kg more than 1975 BMW 315. 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, 1995 BMW S3 (260 Nm) has 150 more torque (in Nm) than 1975 BMW 315. (110 Nm). This means 1995 BMW S3 will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 315.
Compare all specifications:
| 1975 BMW 315 | 1995 BMW S3 | |
| Make | BMW | BMW |
| Model | 315 | S3 |
| Year Released | 1975 | 1995 |
| Engine Position | Front | Front |
| Engine Size | 1574 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 338 HP |
| Engine RPM | 5800 RPM | 4800 RPM |
| Torque | 110 Nm | 260 Nm |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1010 kg | 1725 kg |
| Vehicle Length | 4360 mm | 4440 mm |
| Vehicle Width | 1620 mm | 1720 mm |
| Vehicle Height | 1390 mm | 1370 mm |
| Wheelbase Size | 2510 mm | 2770 mm |
