Costco Wholesale Corp. said Feb. 20 that it sold more than 520,000 vehicles in 2017 through its Affinity Auto Program.

The sales represent over 6% increase against the total industry sales in 2016, which dropped 1.8%, Costco said, citing Automotive News.

Costco also said the promotion with General Motors in the last quarter of 2017 was up 50% compared to 2016, citing preliminary Holiday Sales Event data.