2004 Alfa Romeo 156 vs. 1975 Peugeot 604
To start off, 2004 Alfa Romeo 156 is newer by 29 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 (144 HP @ 5500 RPM) has 31 more horse power than 2004 Alfa Romeo 156. (113 HP @ 4000 RPM) In normal driving conditions, 1975 Peugeot 604 should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 1975 Peugeot 604 weights approximately 70 kg more than 2004 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Peugeot 604 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1975 Peugeot 604. However, in wet, icy, snow, or gravel driving conditions, 2004 Alfa Romeo 156, being front wheel drive (FWD), will offer much better control with better grip. 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, 2004 Alfa Romeo 156 (275 Nm @ 2000 RPM) has 60 more torque (in Nm) than 1975 Peugeot 604. (215 Nm @ 3750 RPM). This means 2004 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1975 Peugeot 604.
Compare all specifications:
| 2004 Alfa Romeo 156 | 1975 Peugeot 604 | |
| Make | Alfa Romeo | Peugeot |
| Model | 156 | 604 |
| Year Released | 2004 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1969 cc | 2664 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 113 HP | 144 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 275 Nm | 215 Nm |
| Torque RPM | 2000 RPM | 3750 RPM |
| Engine Bore Size | 82 mm | 88 mm |
| Engine Stroke Size | 90.4 mm | 73 mm |
| Engine Compression Ratio | 18.4:1 | 8.7:1 |
| Top Speed | 191 km/hour | 193 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1405 kg | 1475 kg |
| Vehicle Length | 4440 mm | 4730 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2550 mm | 2810 mm |
| Fuel Tank Capacity | 63 L | 70 L |
