2007 BMW M6 vs. 1972 BMW 520
To start off, 2007 BMW M6 is newer by 35 year(s). Which means there will be less support and parts availability for 1972 BMW 520. In addition, the cost of maintenance, including insurance, on 1972 BMW 520 would be higher. At 4,999 cc (10 cylinders), 2007 BMW M6 is equipped with a bigger engine. In terms of performance, 2007 BMW M6 (500 HP @ 7750 RPM) has 350 more horse power than 1972 BMW 520. (150 HP @ 5900 RPM). In normal driving conditions, 2007 BMW M6 should accelerate faster than 1972 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1972 BMW 520 weights approximately 165 kg more than 2007 BMW M6.
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, 2007 BMW M6 (520 Nm @ 6100 RPM) has 330 more torque (in Nm) than 1972 BMW 520. (190 Nm @ 4200 RPM). This means 2007 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 1972 BMW 520.
Compare all specifications:
| 2007 BMW M6 | 1972 BMW 520 | |
| Make | BMW | BMW |
| Model | M6 | 520 |
| Year Released | 2007 | 1972 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 1991 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 150 HP |
| Engine RPM | 7750 RPM | 5900 RPM |
| Torque | 520 Nm | 190 Nm |
| Torque RPM | 6100 RPM | 4200 RPM |
| Engine Bore Size | 92 mm | 80 mm |
| Engine Stroke Size | 75.2 mm | 66 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1280 kg | 1445 kg |
| Vehicle Length | 4880 mm | 4630 mm |
| Vehicle Width | 1860 mm | 1700 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2790 mm | 2770 mm |
| Fuel Consumption Highway | 13.1 L/100km | 7.3 L/100km |
| Fuel Consumption City | 19.6 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 16.8 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
