1973 Peugeot 504 vs. 1986 Alfa Romeo 90
To start off, 1986 Alfa Romeo 90 is newer by 13 year(s). Which means there will be less support and parts availability for 1973 Peugeot 504. In addition, the cost of maintenance, including insurance, on 1973 Peugeot 504 would be higher. At 2,391 cc (4 cylinders), 1986 Alfa Romeo 90 is equipped with a bigger engine. In terms of performance, 1986 Alfa Romeo 90 (109 HP @ 4200 RPM) has 28 more horse power than 1973 Peugeot 504. (81 HP @ 5500 RPM) In normal driving conditions, 1986 Alfa Romeo 90 should accelerate faster than 1973 Peugeot 504. With that said, vehicle weight also plays an important factor in acceleration. 1986 Alfa Romeo 90 weights approximately 86 kg more than 1973 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, 1986 Alfa Romeo 90 (235 Nm @ 2300 RPM) has 101 more torque (in Nm) than 1973 Peugeot 504. (134 Nm @ 3000 RPM). This means 1986 Alfa Romeo 90 will have an easier job in driving up hills or pulling heavy equipment than 1973 Peugeot 504.
Compare all specifications:
| 1973 Peugeot 504 | 1986 Alfa Romeo 90 | |
| Make | Peugeot | Alfa Romeo |
| Model | 504 | 90 |
| Year Released | 1973 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 2391 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 81 HP | 109 HP |
| Engine RPM | 5500 RPM | 4200 RPM |
| Torque | 134 Nm | 235 Nm |
| Torque RPM | 3000 RPM | 2300 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 81 mm | 90 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1164 kg | 1250 kg |
| Vehicle Length | 4500 mm | 4400 mm |
| Vehicle Width | 1700 mm | 1650 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2750 mm | 2520 mm |
| Fuel Tank Capacity | 55 L | 49 L |
