1972 McLaren M21 vs. 1971 McLaren M8E
To start off, 1972 McLaren M21 is newer by 1 year(s). Which means there will be less support and parts availability for 1971 McLaren M8E. In addition, the cost of maintenance, including insurance, on 1971 McLaren M8E would be higher. At 6,997 cc (8 cylinders), 1971 McLaren M8E is equipped with a bigger engine. In terms of performance, 1971 McLaren M8E (622 HP @ 7000 RPM) has 339 more horse power than 1972 McLaren M21. (283 HP @ 9000 RPM) In normal driving conditions, 1971 McLaren M8E should accelerate faster than 1972 McLaren M21. With that said, vehicle weight also plays an important factor in acceleration. 1971 McLaren M8E weights approximately 357 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 | 1971 McLaren M8E | |
| Make | McLaren | McLaren |
| Model | M21 | M8E |
| Year Released | 1972 | 1971 |
| Engine Size | 1927 cc | 6997 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 283 HP | 622 HP |
| Engine RPM | 9000 RPM | 7000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 465 kg | 822 kg |
