2006 BMW 525 vs. 1977 BMW 520
To start off, 2006 BMW 525 is newer by 29 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 2,999 cc, 2006 BMW 525 is equipped with a bigger engine. In terms of performance, 2006 BMW 525 (215 HP @ 6250 RPM) has 81 more horse power than 1977 BMW 520. (134 HP @ 4000 RPM). In normal driving conditions, 2006 BMW 525 should accelerate faster than 1977 BMW 520.
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 29 more torque (in Nm) than 2006 BMW 525. (251 Nm @ 2750 RPM). This means 1977 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 525.
Compare all specifications:
| 2006 BMW 525 | 1977 BMW 520 | |
| Make | BMW | BMW |
| Model | 525 | 520 |
| Year Released | 2006 | 1977 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 1951 cc |
| Horse Power | 215 HP | 134 HP |
| Engine RPM | 6250 RPM | 4000 RPM |
| Torque | 251 Nm | 280 Nm |
| Torque RPM | 2750 RPM | 1750 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4860 mm | 4780 mm |
| Vehicle Width | 1850 mm | 1810 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2890 mm | 2840 mm |
| Fuel Consumption Highway | 7.8 L/100km | 4.7 L/100km |
| Fuel Consumption City | 11.8 L/100km | 7.8 L/100km |
| Fuel Consumption Overall | 9.8 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
