Exhibit 32.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the annual report on Form 10-K of Lithium Americas Corp. (the “Company”) for the period ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned, Luke Colton, Chief Financial Officer of the Company, hereby certifies, pursuant to 18 U.S.C. Section 1350, that to the best of her knowledge and belief:

(1)the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

	/s/ Luke Colton
	Luke Colton
	Chief Financial Officer
Dated: March 28, 2025