1975 McLaren M23 vs. 1957 Mercedes-Benz 300D
To start off, 1975 McLaren M23 is newer by 18 year(s). Which means there will be less support and parts availability for 1957 Mercedes-Benz 300D. In addition, the cost of maintenance, including insurance, on 1957 Mercedes-Benz 300D would be higher. At 2,994 cc (6 cylinders), 1957 Mercedes-Benz 300D is equipped with a bigger engine. In terms of performance, 1975 McLaren M23 (455 HP @ 10250 RPM) has 297 more horse power than 1957 Mercedes-Benz 300D. (158 HP @ 5300 RPM). In normal driving conditions, 1975 McLaren M23 should accelerate faster than 1957 Mercedes-Benz 300D. With that said, vehicle weight also plays an important factor in acceleration. 1957 Mercedes-Benz 300D weights approximately 1360 kg more than 1975 McLaren M23.
Compare all specifications:
| 1975 McLaren M23 | 1957 Mercedes-Benz 300D | |
| Make | McLaren | Mercedes-Benz |
| Model | M23 | 300D |
| Year Released | 1975 | 1957 |
| Engine Position | Middle | Front |
| Engine Size | 2993 cc | 2994 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 455 HP | 158 HP |
| Engine RPM | 10250 RPM | 5300 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 570 kg | 1930 kg |
