6-K

UNITED STATES

SECURITIES AND EXCHANGECOMMISSION

WASHINGTON, DC 20549

FORM 6-K

REPORT OF FOREIGNPRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

OF THE SECURITIES EXCHANGEACT OF 1934

For the month of December 2024

Commission File Number: 001-41782

VinFast Auto Ltd.

Dinh Vu – CatHai Economic Zone

Cat Hai Islands, CatHai Town, Cat Hai District

Hai Phong City, Vietnam

(Address of principalexecutive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.    Form 20-F x   Form 40-F    ¨

INFORMATIONCONTAINED IN THIS REPORT ON FORM 6-K

VINFAST ACHIEVES NEWMONTHLY DELIVERY RECORD IN NOVEMBER

VinFast Auto Ltd. (“VinFast”) delivered more than 16,000 electric vehicles (“EVs”) to customers in Vietnam during November, representing a more than 40% increase compared to October and bringing VinFast’s deliveries to more than 67,000 EVs in Vietnam alone since the beginning of the year. This solidifies VinFast’s leading position in the Vietnam market.

Marketand industry statements in this document are based on data from the Vietnam Automobile Manufacturers' Association, Thanh Cong Group andCompany internal data (for VinFast only).

This Form 6-K shall be deemed to be incorporated by reference into the registration statement on Form S-8 (File No. 333-278251) of VinFast Auto Ltd. (including any prospectuses forming a part of such registration statement) and to be a part thereof from the date on which this report is furnished, to the extent not superseded by documents or reports subsequently filed or furnished.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.