1975 BMW 520 vs. 1956 BMW 503
To start off, 1975 BMW 520 is newer by 19 year(s). Which means there will be less support and parts availability for 1956 BMW 503. In addition, the cost of maintenance, including insurance, on 1956 BMW 503 would be higher. At 3,168 cc (8 cylinders), 1956 BMW 503 is equipped with a bigger engine. In terms of performance, 1956 BMW 503 (138 HP @ 4800 RPM) has 15 more horse power than 1975 BMW 520. (123 HP @ 5700 RPM) In normal driving conditions, 1956 BMW 503 should accelerate faster than 1975 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1956 BMW 503 weights approximately 205 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, 1956 BMW 503 (222 Nm @ 2500 RPM) has 50 more torque (in Nm) than 1975 BMW 520. (172 Nm @ 4350 RPM). This means 1956 BMW 503 will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 520.
Compare all specifications:
1975 BMW 520 | 1956 BMW 503 | |
Make | BMW | BMW |
Model | 520 | 503 |
Year Released | 1975 | 1956 |
Engine Position | Front | Front |
Engine Size | 1991 cc | 3168 cc |
Engine Cylinders | 4 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 123 HP | 138 HP |
Engine RPM | 5700 RPM | 4800 RPM |
Torque | 172 Nm | 222 Nm |
Torque RPM | 4350 RPM | 2500 RPM |
Engine Compression Ratio | 9.3:1 | 7.3:1 |
Top Speed | 175 km/hour | 190 km/hour |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1295 kg | 1500 kg |
Vehicle Length | 4630 mm | 4760 mm |
Vehicle Width | 1700 mm | 1710 mm |
Vehicle Height | 1430 mm | 1400 mm |
Wheelbase Size | 2640 mm | 2840 mm |
Fuel Tank Capacity | 70 L | 75 L |