1966 Austin-Healey 3000 Mk III 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 Austin-Healey 3000 Mk III. In addition, the cost of maintenance, including insurance, on 1966 Austin-Healey 3000 Mk III would be higher. At 2,912 cc (6 cylinders), 1966 Austin-Healey 3000 Mk III is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (267 HP @ 10000 RPM) has 121 more horse power than 1966 Austin-Healey 3000 Mk III. (146 HP @ 5250 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 1966 Austin-Healey 3000 Mk III. With that said, vehicle weight also plays an important factor in acceleration. 1966 Austin-Healey 3000 Mk III weights approximately 715 kg more than 1972 McLaren M21.
Compare all specifications:
| 1966 Austin-Healey 3000 Mk III | 1972 McLaren M21 | |
| Make | Austin-Healey | McLaren |
| Model | 3000 Mk III | M21 |
| Year Released | 1966 | 1972 |
| Engine Size | 2912 cc | 1897 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 146 HP | 267 HP |
| Engine RPM | 5250 RPM | 10000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1180 kg | 465 kg |
