2008 BMW 525 vs. 1977 BMW 520
To start off, 2008 BMW 525 is newer by 31 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 2,494 cc (6 cylinders), 2008 BMW 525 is equipped with a bigger engine. In terms of performance, 2008 BMW 525 (215 HP @ 6500 RPM) has 81 more horse power than 1977 BMW 520. (134 HP @ 4000 RPM). In normal driving conditions, 2008 BMW 525 should accelerate faster than 1977 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 520 weights approximately 71 kg more than 2008 BMW 525.
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 30 more torque (in Nm) than 2008 BMW 525. (250 Nm @ 2900 RPM). This means 1977 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 525.
Compare all specifications:
| 2008 BMW 525 | 1977 BMW 520 | |
| Make | BMW | BMW |
| Model | 525 | 520 |
| Year Released | 2008 | 1977 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1951 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 134 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 250 Nm | 280 Nm |
| Torque RPM | 2900 RPM | 1750 RPM |
| Engine Compression Ratio | 10.5:1 | 19.0:1 |
| Top Speed | 235 km/hour | 206 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 10.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1494 kg | 1565 kg |
| Vehicle Length | 4850 mm | 4780 mm |
| Vehicle Width | 1850 mm | 1810 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2890 mm | 2840 mm |
| Fuel Consumption Overall | 9.4 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
