1986 Alfa Romeo 75 vs. 1977 BMW 520
To start off, 1986 Alfa Romeo 75 is newer by 9 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 1,990 cc (6 cylinders), 1977 BMW 520 is equipped with a bigger engine. In terms of performance, 1977 BMW 520 (120 HP @ 6000 RPM) has 12 more horse power than 1986 Alfa Romeo 75. (108 HP @ 6000 RPM) In normal driving conditions, 1977 BMW 520 should accelerate faster than 1986 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 520 weights approximately 230 kg more than 1986 Alfa Romeo 75. 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, 1977 BMW 520 (160 Nm @ 4000 RPM) has 11 more torque (in Nm) than 1986 Alfa Romeo 75. (149 Nm @ 4000 RPM). This means 1977 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1986 Alfa Romeo 75.
Compare all specifications:
| 1986 Alfa Romeo 75 | 1977 BMW 520 | |
| Make | Alfa Romeo | BMW |
| Model | 75 | 520 |
| Year Released | 1986 | 1977 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1566 cc | 1990 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 108 HP | 120 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 149 Nm | 160 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 78 mm | 80 mm |
| Engine Stroke Size | 82 mm | 66 mm |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 10.7 seconds | 12 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 | 1080 kg | 1310 kg |
| Vehicle Length | 4340 mm | 4630 mm |
| Vehicle Width | 1670 mm | 1700 mm |
| Vehicle Height | 1410 mm | 1430 mm |
| Wheelbase Size | 2520 mm | 2640 mm |
| Fuel Tank Capacity | 49 L | 70 L |
