1985 Alfa Romeo 90 vs. 1972 BMW 520
To start off, 1985 Alfa Romeo 90 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 2,492 cc (4 cylinders), 1985 Alfa Romeo 90 is equipped with a bigger engine. In terms of performance, 1972 BMW 520 (150 HP @ 5900 RPM) has 41 more horse power than 1985 Alfa Romeo 90. (109 HP @ 4200 RPM) In normal driving conditions, 1972 BMW 520 should accelerate faster than 1985 Alfa Romeo 90. With that said, vehicle weight also plays an important factor in acceleration. 1972 BMW 520 weights approximately 195 kg more than 1985 Alfa Romeo 90. 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 90 (246 Nm @ 2300 RPM) has 56 more torque (in Nm) than 1972 BMW 520. (190 Nm @ 4200 RPM). This means 1985 Alfa Romeo 90 will have an easier job in driving up hills or pulling heavy equipment than 1972 BMW 520.
Compare all specifications:
| 1985 Alfa Romeo 90 | 1972 BMW 520 | |
| Make | Alfa Romeo | BMW |
| Model | 90 | 520 |
| Year Released | 1985 | 1972 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 109 HP | 150 HP |
| Engine RPM | 4200 RPM | 5900 RPM |
| Torque | 246 Nm | 190 Nm |
| Torque RPM | 2300 RPM | 4200 RPM |
| Engine Bore Size | 92 mm | 80 mm |
| Engine Stroke Size | 90 mm | 66 mm |
| Engine Compression Ratio | 22.0:1 | 11.0:1 |
| Top Speed | 178 km/hour | 211 km/hour |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1445 kg |
| Vehicle Length | 4400 mm | 4630 mm |
| Vehicle Width | 1650 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2460 mm | 2770 mm |
| Fuel Consumption Overall | 5.4 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 49 L | 80 L |
