1985 Alfa Romeo Alfa 6 vs. 1972 BMW 520
To start off, 1985 Alfa Romeo Alfa 6 is newer by 13 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 1,997 cc (6 cylinders), 1985 Alfa Romeo Alfa 6 is equipped with a bigger engine. In terms of performance, 1985 Alfa Romeo Alfa 6 (133 HP @ 5600 RPM) has 20 more horse power than 1972 BMW 520. (113 HP @ 5800 RPM). In normal driving conditions, 1985 Alfa Romeo Alfa 6 should accelerate faster than 1972 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1985 Alfa Romeo Alfa 6 weights approximately 240 kg more than 1972 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, 1985 Alfa Romeo Alfa 6 (179 Nm @ 4500 RPM) has 14 more torque (in Nm) than 1972 BMW 520. (165 Nm @ 3700 RPM). This means 1985 Alfa Romeo Alfa 6 will have an easier job in driving up hills or pulling heavy equipment than 1972 BMW 520.
Compare all specifications:
| 1985 Alfa Romeo Alfa 6 | 1972 BMW 520 | |
| Make | Alfa Romeo | BMW |
| Model | Alfa 6 | 520 |
| Year Released | 1985 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 1989 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 133 HP | 113 HP |
| Engine RPM | 5600 RPM | 5800 RPM |
| Torque | 179 Nm | 165 Nm |
| Torque RPM | 4500 RPM | 3700 RPM |
| Engine Bore Size | 80 mm | 89 mm |
| Engine Stroke Size | 66.2 mm | 80 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1470 kg | 1230 kg |
| Vehicle Length | 4770 mm | 4630 mm |
| Vehicle Width | 1690 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2610 mm | 2640 mm |
