The 2019 NASCAR PEAK Mexico Series was the twelfth season of the NASCAR PEAK Mexico Series and the fifteenth season organized by NASCAR Mexico.
It bean with the Gran Premio ARRIS at Autódromo Monterrey on 31 March and concluded at Autódromo Hermanos Rodríguez on 1 December.
Rubén García Jr. defended his Drivers' champion.
[1] On 16 January, it was announced that Monterrey, Guadalajara and the second race in Aguascalientes were moved one week.
[2] Monterrey and the first Puebla event were joint races for the PEAK Mexico Series and the NASCAR FedEx Challenge Series, a PEAK Mexico support series in which competitors use similar cars, forming grids of over forty cars.