1987 BMW M6 vs. 1972 McLaren M21
To start off, 1987 BMW M6 is newer by 15 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 3,453 cc (6 cylinders), 1987 BMW M6 is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (283 HP @ 9000 RPM) has 1 more horse power than 1987 BMW M6. (282 HP @ 6500 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 1987 BMW M6. With that said, vehicle weight also plays an important factor in acceleration. 1987 BMW M6 weights approximately 1040 kg more than 1972 McLaren M21.
Compare all specifications:
| 1987 BMW M6 | 1972 McLaren M21 | |
| Make | BMW | McLaren |
| Model | M6 | M21 |
| Year Released | 1987 | 1972 |
| Engine Size | 3453 cc | 1927 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 282 HP | 283 HP |
| Engine RPM | 6500 RPM | 9000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1505 kg | 465 kg |
