Exhibit 23.5

Consent of Independent Auditors

We consent to the reference to our firm under the caption “Experts” and to the use of our report dated January 23, 2019 (except Note 30, as to which the date is April 5, 2019), with respect to the financial statements of APCO Oil & Gas International Inc. Argentina Branch included in the Registration Statement (Form F-1) and related Prospectus of Vista Oil & Gas, S.A.B. de C.V., for the registration of Series A shares of its common stock.

/s/ PISTRELLI, HENRY MARTIN Y ASOCIADOS S.R.L.

Member firm of Ernst & Young Global Limited

City of Buenos Aires, Argentina

July 2, 2019