1985 Audi 90 vs. 1955 Rover P4
To start off, 1985 Audi 90 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 2,230 cc (6 cylinders), 1955 Rover P4 is equipped with a bigger engine. In terms of performance, 1985 Audi 90 (114 HP @ 5700 RPM) has 44 more horse power than 1955 Rover P4. (70 HP @ 4500 RPM). In normal driving conditions, 1985 Audi 90 should accelerate faster than 1955 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1955 Rover P4 weights approximately 350 kg more than 1985 Audi 90.
Let's talk about torque, 1985 Audi 90 (168 Nm @ 3200 RPM) has 15 more torque (in Nm) than 1955 Rover P4. (153 Nm @ 1750 RPM). This means 1985 Audi 90 will have an easier job in driving up hills or pulling heavy equipment than 1955 Rover P4.
Compare all specifications:
| 1985 Audi 90 | 1955 Rover P4 | |
| Make | Audi | Rover |
| Model | 90 | P4 |
| Year Released | 1985 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 1992 cc | 2230 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 70 HP |
| Engine RPM | 5700 RPM | 4500 RPM |
| Torque | 168 Nm | 153 Nm |
| Torque RPM | 3200 RPM | 1750 RPM |
| Engine Bore Size | 81 mm | 73.1 mm |
| Engine Stroke Size | 77.4 mm | 88.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1050 kg | 1400 kg |
| Vehicle Length | 4470 mm | 4540 mm |
| Vehicle Width | 1690 mm | 1680 mm |
| Vehicle Height | 1370 mm | 1620 mm |
| Wheelbase Size | 2550 mm | 2830 mm |
