1985 Alfa Romeo 75 vs. 1981 BMW 520
To start off, 1985 Alfa Romeo 75 is newer by 4 year(s). Which means there will be less support and parts availability for 1981 BMW 520. In addition, the cost of maintenance, including insurance, on 1981 BMW 520 would be higher. At 2,492 cc (6 cylinders), 1985 Alfa Romeo 75 is equipped with a bigger engine. In terms of performance, 1985 Alfa Romeo 75 (154 HP @ 5600 RPM) has 31 more horse power than 1981 BMW 520. (123 HP @ 5800 RPM). In normal driving conditions, 1985 Alfa Romeo 75 should accelerate faster than 1981 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 520 weights approximately 60 kg more than 1985 Alfa Romeo 75.
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 75 (214 Nm @ 4000 RPM) has 44 more torque (in Nm) than 1981 BMW 520. (170 Nm @ 4000 RPM). This means 1985 Alfa Romeo 75 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 520.
Compare all specifications:
| 1985 Alfa Romeo 75 | 1981 BMW 520 | |
| Make | Alfa Romeo | BMW |
| Model | 75 | 520 |
| Year Released | 1985 | 1981 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 154 HP | 123 HP |
| Engine RPM | 5600 RPM | 5800 RPM |
| Torque | 214 Nm | 170 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 88 mm | 80 mm |
| Engine Stroke Size | 68.3 mm | 66 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1160 kg | 1220 kg |
| Vehicle Length | 4340 mm | 4630 mm |
| Vehicle Width | 1670 mm | 1710 mm |
| Vehicle Height | 1410 mm | 1430 mm |
| Wheelbase Size | 2520 mm | 2630 mm |
| Fuel Tank Capacity | 49 L | 70 L |
