1969 Mercedes-Benz W 111 vs. 1966 Rover P5
To start off, 1969 Mercedes-Benz W 111 is newer by 3 year(s). Which means there will be less support and parts availability for 1966 Rover P5. In addition, the cost of maintenance, including insurance, on 1966 Rover P5 would be higher. At 2,995 cc (6 cylinders), 1966 Rover P5 is equipped with a bigger engine. In terms of performance, 1969 Mercedes-Benz W 111 (158 HP @ 5500 RPM) has 36 more horse power than 1966 Rover P5. (122 HP @ 4800 RPM). In normal driving conditions, 1969 Mercedes-Benz W 111 should accelerate faster than 1966 Rover P5. With that said, vehicle weight also plays an important factor in acceleration. 1966 Rover P5 weights approximately 220 kg more than 1969 Mercedes-Benz W 111.
Let's talk about torque, 1969 Mercedes-Benz W 111 (240 Nm @ 4250 RPM) has 23 more torque (in Nm) than 1966 Rover P5. (217 Nm @ 2650 RPM). This means 1969 Mercedes-Benz W 111 will have an easier job in driving up hills or pulling heavy equipment than 1966 Rover P5.
Compare all specifications:
| 1969 Mercedes-Benz W 111 | 1966 Rover P5 | |
| Make | Mercedes-Benz | Rover |
| Model | W 111 | P5 |
| Year Released | 1969 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 2778 cc | 2995 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 158 HP | 122 HP |
| Engine RPM | 5500 RPM | 4800 RPM |
| Torque | 240 Nm | 217 Nm |
| Torque RPM | 4250 RPM | 2650 RPM |
| Engine Bore Size | 86 mm | 85.7 mm |
| Engine Stroke Size | 78.8 mm | 85.7 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1510 kg | 1730 kg |
| Vehicle Length | 4890 mm | 4750 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1480 mm |
| Wheelbase Size | 2760 mm | 2820 mm |
| Fuel Tank Capacity | 65 L | 54 L |
