HOUSTON, Nov. 12, 2024 /PRNewswire/ -- Group 1 Automotive, Inc. (NYSE: GPI) ("Group 1" or the "Company"), a Fortune 250 automotive retailer with 260 dealerships located in the U.S. and U.K., today announced its board of directors approved a new share repurchase authorization of $500 million, and also declared a quarterly dividend.    Share Repurchase Authorization IncreaseThe Company announced that its board of directors increased the Company's common share repurchase authorization by $333 million to $500 m ...