1964 Alfa Romeo Spider vs. 1950 Rover P4
To start off, 1964 Alfa Romeo Spider is newer by 14 year(s). Which means there will be less support and parts availability for 1950 Rover P4. In addition, the cost of maintenance, including insurance, on 1950 Rover P4 would be higher. At 2,582 cc (6 cylinders), 1964 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1964 Alfa Romeo Spider (163 HP @ 5900 RPM) has 89 more horse power than 1950 Rover P4. (74 HP @ 4200 RPM). In normal driving conditions, 1964 Alfa Romeo Spider should accelerate faster than 1950 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1950 Rover P4 weights approximately 60 kg more than 1964 Alfa Romeo Spider.
Let's talk about torque, 1964 Alfa Romeo Spider (221 Nm @ 4000 RPM) has 71 more torque (in Nm) than 1950 Rover P4. (150 Nm @ 2500 RPM). This means 1964 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 1950 Rover P4.
Compare all specifications:
| 1964 Alfa Romeo Spider | 1950 Rover P4 | |
| Make | Alfa Romeo | Rover |
| Model | Spider | P4 |
| Year Released | 1964 | 1950 |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 2103 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 163 HP | 74 HP |
| Engine RPM | 5900 RPM | 4200 RPM |
| Torque | 221 Nm | 150 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 83 mm | 65.2 mm |
| Engine Stroke Size | 79.6 mm | 105 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1330 kg | 1390 kg |
| Vehicle Length | 4510 mm | 4530 mm |
| Vehicle Width | 1610 mm | 1670 mm |
| Vehicle Height | 1390 mm | 1620 mm |
| Wheelbase Size | 2510 mm | 2830 mm |
| Fuel Tank Capacity | 100 L | 52 L |
