1955 Rover P4 vs. 1985 Volvo 780
To start off, 1985 Volvo 780 is newer by 30 year(s). Which means there will be less support and parts availability for 1955 Rover P4. In addition, the cost of maintenance, including insurance, on 1955 Rover P4 would be higher. At 2,849 cc (6 cylinders), 1985 Volvo 780 is equipped with a bigger engine. In terms of performance, 1985 Volvo 780 (145 HP @ 5100 RPM) has 71 more horse power than 1955 Rover P4. (74 HP @ 4200 RPM) In normal driving conditions, 1985 Volvo 780 should accelerate faster than 1955 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1985 Volvo 780 weights approximately 30 kg more than 1955 Rover P4. 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, 1985 Volvo 780 (236 Nm) has 86 more torque (in Nm) than 1955 Rover P4. (150 Nm). This means 1985 Volvo 780 will have an easier job in driving up hills or pulling heavy equipment than 1955 Rover P4.
Compare all specifications:
| 1955 Rover P4 | 1985 Volvo 780 | |
| Make | Rover | Volvo |
| Model | P4 | 780 |
| Year Released | 1955 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 2102 cc | 2849 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 74 HP | 145 HP |
| Engine RPM | 4200 RPM | 5100 RPM |
| Torque | 150 Nm | 236 Nm |
| Engine Bore Size | 65.2 mm | 91 mm |
| Engine Stroke Size | 105 mm | 73 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1390 kg | 1420 kg |
| Vehicle Length | 4590 mm | 4800 mm |
| Vehicle Width | 1670 mm | 1760 mm |
| Vehicle Height | 1620 mm | 1410 mm |
| Wheelbase Size | 2830 mm | 2780 mm |
| Fuel Tank Capacity | 52 L | 80 L |
