1995 Alfa Romeo 155 vs. 1956 Rover P4
To start off, 1995 Alfa Romeo 155 is newer by 39 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 2,499 cc (6 cylinders), 1995 Alfa Romeo 155 is equipped with a bigger engine. In terms of performance, 1995 Alfa Romeo 155 (493 HP @ 11700 RPM) has 442 more horse power than 1956 Rover P4. (51 HP @ 4000 RPM). In normal driving conditions, 1995 Alfa Romeo 155 should accelerate faster than 1956 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1956 Rover P4 weights approximately 340 kg more than 1995 Alfa Romeo 155.
Let's talk about torque, 1995 Alfa Romeo 155 (300 Nm @ 9500 RPM) has 162 more torque (in Nm) than 1956 Rover P4. (138 Nm @ 2000 RPM). This means 1995 Alfa Romeo 155 will have an easier job in driving up hills or pulling heavy equipment than 1956 Rover P4.
Compare all specifications:
| 1995 Alfa Romeo 155 | 1956 Rover P4 | |
| Make | Alfa Romeo | Rover |
| Model | 155 | P4 |
| Year Released | 1995 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 493 HP | 51 HP |
| Engine RPM | 11700 RPM | 4000 RPM |
| Torque | 300 Nm | 138 Nm |
| Torque RPM | 9500 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1040 kg | 1380 kg |
