1972 McLaren M21 vs. 2012 Mercedes-Benz CLS
To start off, 2012 Mercedes-Benz CLS is newer by 40 year(s). Which means there will be less support and parts availability for 1972 McLaren M21. In addition, the cost of maintenance, including insurance, on 1972 McLaren M21 would be higher. At 4,663 cc (8 cylinders), 2012 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz CLS (402 HP @ 5000 RPM) has 119 more horse power than 1972 McLaren M21. (283 HP @ 9000 RPM) In normal driving conditions, 2012 Mercedes-Benz CLS should accelerate faster than 1972 McLaren M21. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz CLS weights approximately 1425 kg more than 1972 McLaren M21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1972 McLaren M21 | 2012 Mercedes-Benz CLS | |
| Make | McLaren | Mercedes-Benz |
| Model | M21 | CLS |
| Year Released | 1972 | 2012 |
| Engine Size | 1927 cc | 4663 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 283 HP | 402 HP |
| Engine RPM | 9000 RPM | 5000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 465 kg | 1890 kg |
