1972 McLaren M21 vs. 2007 Mercedes-Benz SLK
To start off, 2007 Mercedes-Benz SLK is newer by 35 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 2,996 cc (6 cylinders), 2007 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (283 HP @ 9000 RPM) has 55 more horse power than 2007 Mercedes-Benz SLK. (228 HP @ 6100 RPM). In normal driving conditions, 1972 McLaren M21 should accelerate faster than 2007 Mercedes-Benz SLK.
Compare all specifications:
| 1972 McLaren M21 | 2007 Mercedes-Benz SLK | |
| Make | McLaren | Mercedes-Benz |
| Model | M21 | SLK |
| Year Released | 1972 | 2007 |
| Engine Size | 1927 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 283 HP | 228 HP |
| Engine RPM | 9000 RPM | 6100 RPM |
| Fuel Type | Gasoline | Diesel |
