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 January 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  ¨

INFORMATION CONTAINEDIN THIS REPORT ON FORM 6-K

On January 18, 2024, VinFast Auto Ltd. announced its total vehicle deliveries for the fourth quarter and the full year 2023, and the release date for its fourth quarter 2023 financial results. A copy of that press release is furnished as Exhibit 99.1 to this Report on Form 6-K.

EXHIBIT INDEX

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.

Exhibit 99.1

PRESS RELEASE

VinFast Announces 4Q23 Deliveries and Sets Datefor the Release of 4Q23 Results

January 18, 2024 – VinFast Auto Ltd. (“VinFast” or the “Company”) today announced its total vehicle deliveries for the fourth quarter and full-year 2023. The Company delivered 13,513 electric vehicles (“EVs”) in 4Q23, which represents a 35% increase quarter-over-quarter. The Company has delivered a total of 42,291 EVs globally since its first deliveries in 2021 through the end of 2023, including a total of 34,855 EVs in 2023.

Ms. Tran Mai Hoa, VinFast’s Deputy CEOof Sales and Marketing said: “Our 4Q23 saw a jump in vehicle deliveries compared to prior quarters. However, amid economicheadwinds, slow EV adoption rate in certain regions has adversely affected deliveries plan.”

The Company also announced that it will release its 4Q23 financial results before the market opens on February 22, 2024. On the same day, VinFast’s management will hold a live webcast to discuss the Company’s business performance and strategy. Details for the call are below:

A replay of the webcast will also be made available on the Company’s website.

For additional information, please visit ir.vinfastauto.us.

About VinFast

VinFast – asubsidiary of Vingroup JSC – is Vietnam’s leading automotive manufacturer committed to its mission of creating a green futurefor everyone. VinFast manufactures a portfolio of electric SUVs, e-scooters and e-buses in Vietnam and exports to the United States, andsoon, Europe. Learn more at www.vinfastauto.us.

***

VinFastdeliveries represent only one measure of the company’s financial performance and should not be relied on as an indicator of quarterlyfinancial results, which depend on a variety of factors, including the average selling price and various cost components.

1

Forward-Looking Statements

Forward-looking statements in this announcement,which are not historical facts, are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1955.These statements include statements regarding our future results of operations and financial position, planned products and services,business strategy and plans, objectives of management for future operations of VinFast, market size and growth opportunities, competitiveposition and technological and market trends and involve known and unknown risks that are difficult to predict. As a result, our actualresults, performance or achievements may differ materially from those expressed or implied by these forward-looking statements. In somecases, you can identify forward-looking statements because they contain words such as “may,” “will,” “shall,” “should,” “expects,” “plans,” “anticipates,” “could,” “intends,” “target,” “projects,” “contemplates,” “believes,” “estimates,” “predicts,” “potential,” “goal,” “objective,” “seeks,” or “continue” or the negative ofthese words or other similar terms or expressions that concern our expectations, strategy, plans, or intentions. Such forward-lookingstatements are necessarily based upon estimates and assumptions that, while considered reasonable by us and our management, are inherentlyuncertain. Factors that may cause actual results to differ materially from current expectations include, but are not limited to: (i) theeffect of the consummation of the business combination and the public listing of the Company’s securities on its business relationships,performance, financial condition and business generally, (ii) the risk that the Company’s securities may experience a materialprice decline and volatility in the price of such securities due to a variety of factors, (iii) the adverse impact of any legal proceedingsand regulatory inquiries and investigations on the Company’s business, (iv) the Company’s potential inability to maintainthe listing of its securities on Nasdaq, (v) the risk associated with the Company’s limited operating history, (vi) theability of the Company to achieve profitability, positive cash flows from operating activities and a net working capital surplus, (vii) theability of the Company to fund its capital requirements through additional debt and equity financing under commercially reasonable termsand the risk of shareholding dilution as a result of additional capital raising, if applicable, (viii) risks associated with beinga new entrant in the EV industry, (ix) the risks of the Company’s brand, reputation, public credibility and consumer confidencein its business being harmed by negative publicity, (x) the Company’s ability to successfully introduce and market new productsand services, (xi) competition in the automotive industry, (xii) the Company’s ability to adequately control the costsassociated with its operations, (xiii) the ability of the Company to obtain components and raw materials according to schedule atacceptable prices, quality and volumes acceptable from its suppliers, (xiv) the Company’s ability to maintain relationshipswith existing suppliers who are critical and necessary to the output and production of its vehicles and to create relationships with newsuppliers, (xv) the Company’s ability to establish manufacturing facilities outside of Vietnam and expand capacity in a timelymanner and within budget, (xvi) the risk that the Company’s actual vehicle sales and revenue could differ materially from expectedlevels based on the number of reservations received, (xvii) the demand for, and consumers’ willingness to adopt, EVs, (xiii) theavailability and accessibility of EV charging stations or related infrastructure, (xix) the unavailability, reduction or eliminationof government and economic incentives or government policies which are favorable for EV manufacturers and buyers, (xx) failure tomaintain an effective system of internal control over financial reporting and to accurately and timely report the Company’s financialcondition, results of operations or cash flows, (xxi) battery pack failures in the Company or its competitor’s EVs, (xxii) failureof the Company’s business partners to deliver their services, (xxiii) errors, bugs, vulnerabilities, design defects or otherissues related to technology used or involved in the Company’s EVs or operations, (xxiv) the risk that the Company’sresearch and development efforts may not yield expected results, (xxv) risks associated with autonomous driving technologies, (xxvi) productrecalls that the Company may be required to make, (xxvii) the ability of the Company’s controlling shareholder to control andexert significant influence on the Company, (xxiii) the Company’s reliance on financial and other support from Vingroup andits affiliates and the close association between the Company and Vingroup and its affiliates, (xxix) conflicts of interests withor any events impacting the reputation of Vingroup affiliates or unfavorable market conditions or adverse business operations of Vingroupand Vingroup affiliates and (xxx) other risks discussed in our reports filed or furnished to the Securities and Exchange Commission.

All forward-looking statements attributable to us or persons acting on our behalf are expressly qualified in their entirety by the cautionary statements set forth above. You are cautioned not to place undue reliance on any forward-looking statements, which are made only as of the date of this announcement. VinFast does not undertake or assume any obligation to update publicly any of these forward-looking statements to reflect actual results, new information or future events, changes in assumptions or changes in other factors affecting forward-looking statements, except to the extent required by applicable law. If VinFast updates one or more forward-looking statements, no inference should be drawn that it will make additional updates with respect to those or other forward-looking statements. The inclusion of any statement in this announcement does not constitute an admission by VinFast or any other person that the events or circumstances described in such statement are material. Undue reliance should not be placed upon the forward-looking statements.

2