Exhibit 5.1
CONSENT OF INDEPENDENT AUDITOR
We hereby consent to the incorporation by reference in the Registration Statement on FormF-10 of Lithium Americas Corp. of our report dated March 28, 2017, relating to the consolidated financial statements for the fifteen month period ended December 31, 2016 and the year ended September 30, 2015 of Lithium Americas Corp., which appears in its Registration Statement onForm 40-F.
/s/ PricewaterhouseCoopers LLP
Chartered Professional Accountants
Vancouver, BC
January 18, 2018
