1975 BMW 520 vs. 1979 Porsche 928
To start off, 1979 Porsche 928 is newer by 4 year(s). Which means there will be less support and parts availability for 1975 BMW 520. In addition, the cost of maintenance, including insurance, on 1975 BMW 520 would be higher. At 4,664 cc (8 cylinders), 1979 Porsche 928 is equipped with a bigger engine. In terms of performance, 1979 Porsche 928 (295 HP @ 5900 RPM) has 172 more horse power than 1975 BMW 520. (123 HP @ 5700 RPM) In normal driving conditions, 1979 Porsche 928 should accelerate faster than 1975 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1979 Porsche 928 weights approximately 155 kg more than 1975 BMW 520. 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 Porsche 928 (380 Nm @ 4500 RPM) has 208 more torque (in Nm) than 1975 BMW 520. (172 Nm @ 4350 RPM). This means 1979 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 520.
Compare all specifications:
| 1975 BMW 520 | 1979 Porsche 928 | |
| Make | BMW | Porsche |
| Model | 520 | 928 |
| Year Released | 1975 | 1979 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 4664 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 123 HP | 295 HP |
| Engine RPM | 5700 RPM | 5900 RPM |
| Torque | 172 Nm | 380 Nm |
| Torque RPM | 4350 RPM | 4500 RPM |
| Engine Compression Ratio | 9.3:1 | 10.4:1 |
| Top Speed | 175 km/hour | 240 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1295 kg | 1450 kg |
| Vehicle Length | 4630 mm | 4450 mm |
| Vehicle Width | 1700 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1290 mm |
| Wheelbase Size | 2640 mm | 2510 mm |
| Fuel Tank Capacity | 70 L | 86 L |
