1956 Rover P4 vs. 1986 Alfa Romeo 90
To start off, 1986 Alfa Romeo 90 is newer by 30 year(s). Which means there will be less support and parts availability for 1956 Rover P4. In addition, the cost of maintenance, including insurance, on 1956 Rover P4 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 58 more horse power than 1956 Rover P4. (51 HP @ 4000 RPM) In normal driving conditions, 1986 Alfa Romeo 90 should accelerate faster than 1956 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1956 Rover P4 weights approximately 130 kg more than 1986 Alfa Romeo 90.
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 97 more torque (in Nm) than 1956 Rover P4. (138 Nm @ 2000 RPM). This means 1986 Alfa Romeo 90 will have an easier job in driving up hills or pulling heavy equipment than 1956 Rover P4.
Compare all specifications:
| 1956 Rover P4 | 1986 Alfa Romeo 90 | |
| Make | Rover | Alfa Romeo |
| Model | P4 | 90 |
| Year Released | 1956 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 2391 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 51 HP | 109 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 138 Nm | 235 Nm |
| Torque RPM | 2000 RPM | 2300 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1380 kg | 1250 kg |
| Vehicle Length | 4550 mm | 4400 mm |
| Vehicle Width | 1680 mm | 1650 mm |
| Vehicle Height | 1620 mm | 1430 mm |
| Wheelbase Size | 2830 mm | 2520 mm |
