1977 Peugeot 504 vs. 1975 Peugeot 604
To start off, 1977 Peugeot 504 is newer by 2 year(s). Which means there will be less support and parts availability for 1975 Peugeot 604. In addition, the cost of maintenance, including insurance, on 1975 Peugeot 604 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 (136 HP @ 5750 RPM) has 45 more horse power than 1977 Peugeot 504. (91 HP @ 5200 RPM) In normal driving conditions, 1975 Peugeot 604 should accelerate faster than 1977 Peugeot 504. With that said, vehicle weight also plays an important factor in acceleration. 1975 Peugeot 604 weights approximately 125 kg more than 1977 Peugeot 504. 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, 1975 Peugeot 604 (206 Nm @ 3500 RPM) has 45 more torque (in Nm) than 1977 Peugeot 504. (161 Nm @ 3000 RPM). This means 1975 Peugeot 604 will have an easier job in driving up hills or pulling heavy equipment than 1977 Peugeot 504.
Compare all specifications:
| 1977 Peugeot 504 | 1975 Peugeot 604 | |
| Make | Peugeot | Peugeot |
| Model | 504 | 604 |
| Year Released | 1977 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 2664 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 91 HP | 136 HP |
| Engine RPM | 5200 RPM | 5750 RPM |
| Torque | 161 Nm | 206 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 88 mm | 88 mm |
| Engine Stroke Size | 81 mm | 73 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1330 kg | 1455 kg |
| Vehicle Length | 4810 mm | 4730 mm |
| Vehicle Width | 1700 mm | 1780 mm |
| Vehicle Height | 1560 mm | 1440 mm |
| Wheelbase Size | 2910 mm | 2810 mm |
