1963 Alfa Romeo Giulia vs. 1957 BMW 503
To start off, 1963 Alfa Romeo Giulia is newer by 6 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, 1957 BMW 503 (138 HP @ 4800 RPM) has 33 more horse power than 1963 Alfa Romeo Giulia. (105 HP @ 6200 RPM) In normal driving conditions, 1957 BMW 503 should accelerate faster than 1963 Alfa Romeo Giulia. With that said, vehicle weight also plays an important factor in acceleration. 1957 BMW 503 weights approximately 530 kg more than 1963 Alfa Romeo Giulia. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1957 BMW 503 (222 Nm @ 2500 RPM) has 89 more torque (in Nm) than 1963 Alfa Romeo Giulia. (133 Nm @ 4500 RPM). This means 1957 BMW 503 will have an easier job in driving up hills or pulling heavy equipment than 1963 Alfa Romeo Giulia.
Compare all specifications:
| 1963 Alfa Romeo Giulia | 1957 BMW 503 | |
| Make | Alfa Romeo | BMW |
| Model | Giulia | 503 |
| Year Released | 1963 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 1569 cc | 3168 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 105 HP | 138 HP |
| Engine RPM | 6200 RPM | 4800 RPM |
| Torque | 133 Nm | 222 Nm |
| Torque RPM | 4500 RPM | 2500 RPM |
| Engine Bore Size | 78 mm | 82 mm |
| Engine Stroke Size | 82 mm | 75 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 970 kg | 1500 kg |
| Vehicle Length | 4130 mm | 4760 mm |
| Vehicle Width | 1670 mm | 1710 mm |
| Vehicle Height | 1250 mm | 1400 mm |
| Wheelbase Size | 2260 mm | 2840 mm |
| Fuel Tank Capacity | 52 L | 75 L |
