https://www.live-feeds.com/feed/costco-raises-price-of-kirkland-motor-oil-and-limits-how-much-shoppers-can-buyContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/costco-raises-price-of-kirkland-motor-oil-and-limits-how-much-shoppers-can-buyhttps://www.live-feeds.com/feed/costco-raises-price-of-kirkland-motor-oil-and-limits-how-much-shoppers-can-buy#u70006Wed, 16 Sep 2026 08:11:14 +0000Costco has increased the price of its Kirkland Signature full-synthetic motor oil and imposed strict purchase limits for shoppers. A 10-quart case that previously cost roughly $30 now runs $57.99. Warehouse club members face a cap of two units per member per week. The changes affect shoppers across multiple locations as a global shortage impacts the motor oil aisle. Experts warn that the supply shortage is not expected to end soon, prompting widespread rationing at the retail level.Why it mattersThe sudden price hike and rationing measures reflect broader supply chain strains affecting petrole