| Engine Designation | Configuration | Horsepower | |
| P-51A | Allison V-1710-81 | Liquid-cooled V12 | 1200hp |
| P-51B | Packard Merlin V-1650-3 | Liquid-cooled, superturbocharged V12 | 1620hp |
| P-51C | Packard Merlin V-1650-7 | Liquid-cooled, superturbocharged V12 | 1695hp |
| P-51D | Packard Merlin V-1650-7 | Liquid-cooled, superturbocharged V12 | 1695hp |

Back to "The Performance Characteristics of the Mustang"