1966 Alfa Romeo Giulia vs. 1975 Peugeot 604
To start off, 1975 Peugeot 604 is newer by 9 year(s). Which means there will be less support and parts availability for 1966 Alfa Romeo Giulia. In addition, the cost of maintenance, including insurance, on 1966 Alfa Romeo Giulia would be higher. At 2,664 cc (6 cylinders), 1975 Peugeot 604 is equipped with a bigger engine. In terms of performance, 1975 Peugeot 604 (144 HP @ 5500 RPM) has 39 more horse power than 1966 Alfa Romeo Giulia. (105 HP @ 6200 RPM) In normal driving conditions, 1975 Peugeot 604 should accelerate faster than 1966 Alfa Romeo Giulia. With that said, vehicle weight also plays an important factor in acceleration. 1975 Peugeot 604 weights approximately 503 kg more than 1966 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, 1975 Peugeot 604 (215 Nm @ 3750 RPM) has 82 more torque (in Nm) than 1966 Alfa Romeo Giulia. (133 Nm @ 4500 RPM). This means 1975 Peugeot 604 will have an easier job in driving up hills or pulling heavy equipment than 1966 Alfa Romeo Giulia.
Compare all specifications:
| 1966 Alfa Romeo Giulia | 1975 Peugeot 604 | |
| Make | Alfa Romeo | Peugeot |
| Model | Giulia | 604 |
| Year Released | 1966 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 2664 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 105 HP | 144 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 133 Nm | 215 Nm |
| Torque RPM | 4500 RPM | 3750 RPM |
| Engine Bore Size | 78 mm | 88 mm |
| Engine Stroke Size | 82 mm | 73 mm |
| Engine Compression Ratio | 9.2:1 | 8.7:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 972 kg | 1475 kg |
| Vehicle Length | 4130 mm | 4730 mm |
| Vehicle Width | 1670 mm | 1780 mm |
| Vehicle Height | 1250 mm | 1440 mm |
| Wheelbase Size | 2260 mm | 2810 mm |
| Fuel Tank Capacity | 100 L | 70 L |
