Costco Adjusts Pricing and Purchase Limits for Kirkland Signature Motor Oil
Costco has raised the price of its Kirkland Signature full-synthetic motor oil and imposed limits on the quantity shoppers can buy.
Seattle Tacoma, WA, September 15, 2026 — Costco Wholesale Corporation has implemented changes regarding its Kirkland Signature brand of full-synthetic motor oil, including a price increase and new purchase quantity limits. The warehouse club has raised the price for its Kirkland Signature full-synthetic motor oil. In addition to the price adjustment, the company has also put in place restrictions on how much of the product individual shoppers can purchase at one time.
The specific amount of the price increase for the Kirkland Signature full-synthetic motor oil was not provided. Similarly, the exact quantity limits imposed on shoppers for purchasing the motor oil were not detailed. The company’s decision to adjust pricing and introduce purchase limits on this particular product suggests a response to market conditions or supply chain factors. While the summary does not specify the exact product volume or type of oil affected, it indicates that these changes apply to the full-synthetic formulation under the Kirkland Signature brand. Further details regarding the extent of the price hike and the specific per-customer purchase cap have not been publicly disclosed. Costco has not provided an official statement detailing the reasons behind these changes. The contractor responsible for manufacturing or supplying the motor oil was not identified in the information available. The timeline for when these new pricing and quantity policies went into effect was not specified. No information was provided regarding any previous price adjustments or limits on this product.
Story summarized from the original created by Mark.Richardson@fox.com (Mark Richardson) on www.fox13seattle.com, see more information here.
