1966 AC Cobra vs. 1972 McLaren M21
To start off, 1972 McLaren M21 is newer by 6 year(s). Which means there will be less support and parts availability for 1966 AC Cobra. In addition, the cost of maintenance, including insurance, on 1966 AC Cobra would be higher. At 6,997 cc (8 cylinders), 1966 AC Cobra is equipped with a bigger engine. In terms of performance, 1966 AC Cobra (410 HP @ 6000 RPM) has 127 more horse power than 1972 McLaren M21. (283 HP @ 9000 RPM). In normal driving conditions, 1966 AC Cobra should accelerate faster than 1972 McLaren M21. With that said, vehicle weight also plays an important factor in acceleration. 1966 AC Cobra weights approximately 682 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:
| 1966 AC Cobra | 1972 McLaren M21 | |
| Make | AC | McLaren |
| Model | Cobra | M21 |
| Year Released | 1966 | 1972 |
| Engine Size | 6997 cc | 1927 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 410 HP | 283 HP |
| Engine RPM | 6000 RPM | 9000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1147 kg | 465 kg |
