1977 BMW 520 vs. 1982 BMW 628
To start off, 1982 BMW 628 is newer by 5 year(s). Which means there will be less support and parts availability for 1977 BMW 520. In addition, the cost of maintenance, including insurance, on 1977 BMW 520 would be higher. At 2,788 cc (6 cylinders), 1982 BMW 628 is equipped with a bigger engine. In terms of performance, 1982 BMW 628 (181 HP @ 6000 RPM) has 47 more horse power than 1977 BMW 520. (134 HP @ 4000 RPM) In normal driving conditions, 1982 BMW 628 should accelerate faster than 1977 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 520 weights approximately 95 kg more than 1982 BMW 628.
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, 1977 BMW 520 (280 Nm @ 1750 RPM) has 40 more torque (in Nm) than 1982 BMW 628. (240 Nm @ 4000 RPM). This means 1977 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1982 BMW 628.
Compare all specifications:
| 1977 BMW 520 | 1982 BMW 628 | |
| Make | BMW | BMW |
| Model | 520 | 628 |
| Year Released | 1977 | 1982 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1951 cc | 2788 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 134 HP | 181 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 280 Nm | 240 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 86.1 mm |
| Engine Stroke Size | 88 mm | 80 mm |
| Engine Compression Ratio | 19.0:1 | 9.3:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1565 kg | 1470 kg |
| Vehicle Length | 4780 mm | 4760 mm |
| Vehicle Width | 1810 mm | 1730 mm |
| Vehicle Height | 1440 mm | 1370 mm |
| Wheelbase Size | 2840 mm | 2640 mm |
| Fuel Tank Capacity | 70 L | 70 L |
