1985 Alfa Romeo 90 vs. 1957 BMW 503
To start off, 1985 Alfa Romeo 90 is newer by 28 year(s). Which means there will be less support and parts availability for 1957 BMW 503. In addition, the cost of maintenance, including insurance, on 1957 BMW 503 would be higher. At 3,168 cc (8 cylinders), 1957 BMW 503 is equipped with a bigger engine. In terms of performance, 1985 Alfa Romeo 90 (154 HP @ 5600 RPM) has 16 more horse power than 1957 BMW 503. (138 HP @ 4800 RPM). In normal driving conditions, 1985 Alfa Romeo 90 should accelerate faster than 1957 BMW 503. With that said, vehicle weight also plays an important factor in acceleration. 1957 BMW 503 weights approximately 330 kg more than 1985 Alfa Romeo 90.
Let's talk about torque, 1957 BMW 503 (222 Nm @ 2500 RPM) has 8 more torque (in Nm) than 1985 Alfa Romeo 90. (214 Nm @ 4000 RPM). This means 1957 BMW 503 will have an easier job in driving up hills or pulling heavy equipment than 1985 Alfa Romeo 90.
Compare all specifications:
| 1985 Alfa Romeo 90 | 1957 BMW 503 | |
| Make | Alfa Romeo | BMW |
| Model | 90 | 503 |
| Year Released | 1985 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 3168 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 154 HP | 138 HP |
| Engine RPM | 5600 RPM | 4800 RPM |
| Torque | 214 Nm | 222 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 88 mm | 82 mm |
| Engine Stroke Size | 68.3 mm | 75 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1170 kg | 1500 kg |
| Vehicle Length | 4400 mm | 4760 mm |
| Vehicle Width | 1650 mm | 1710 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2520 mm | 2840 mm |
