1969 Mercedes-Benz W 111 vs. 1949 Rover P4
To start off, 1969 Mercedes-Benz W 111 is newer by 20 year(s). Which means there will be less support and parts availability for 1949 Rover P4. In addition, the cost of maintenance, including insurance, on 1949 Rover P4 would be higher. At 2,778 cc (6 cylinders), 1969 Mercedes-Benz W 111 is equipped with a bigger engine. In terms of performance, 1969 Mercedes-Benz W 111 (158 HP @ 5500 RPM) has 84 more horse power than 1949 Rover P4. (74 HP @ 4200 RPM). In normal driving conditions, 1969 Mercedes-Benz W 111 should accelerate faster than 1949 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1969 Mercedes-Benz W 111 weights approximately 59 kg more than 1949 Rover P4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1969 Mercedes-Benz W 111 (240 Nm @ 4250 RPM) has 90 more torque (in Nm) than 1949 Rover P4. (150 Nm @ 2500 RPM). This means 1969 Mercedes-Benz W 111 will have an easier job in driving up hills or pulling heavy equipment than 1949 Rover P4.
Compare all specifications:
| 1969 Mercedes-Benz W 111 | 1949 Rover P4 | |
| Make | Mercedes-Benz | Rover |
| Model | W 111 | P4 |
| Year Released | 1969 | 1949 |
| Engine Position | Front | Front |
| Engine Size | 2778 cc | 2102 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 158 HP | 74 HP |
| Engine RPM | 5500 RPM | 4200 RPM |
| Torque | 240 Nm | 150 Nm |
| Torque RPM | 4250 RPM | 2500 RPM |
| Engine Bore Size | 86 mm | 65.2 mm |
| Engine Stroke Size | 78.8 mm | 105 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1510 kg | 1451 kg |
| Vehicle Length | 4890 mm | 4590 mm |
| Vehicle Width | 1850 mm | 1680 mm |
| Vehicle Height | 1430 mm | 1620 mm |
| Wheelbase Size | 2760 mm | 2830 mm |
| Fuel Tank Capacity | 65 L | 52 L |
