Who Makes Costco's Kirkland Motor Oil?
Jalopnik • • business
Key Points:
- Rising oil prices have led many drivers to seek affordable car maintenance options, with Costco emerging as a popular destination for replacement key fobs, car batteries, tires, and Kirkland Signature motor oil.
- Kirkland Signature motor oils are supplied by Highline Warren, a reputable company with over 100 years of experience and a portfolio of more than 400 national automotive brands.
- Kirkland motor oils are comparable in quality to Mobil 1, though Mobil oils tend to have more anti-wear additives for longer intervals between oil changes.
- Costco offers competitive pricing, with a 12-pack of Kirkland Signature synthetic oils (5W-20 and 5W-30) priced at $44.99, providing more quarts for slightly more than the cost of a six-pack of Mobil 1 synthetic oil.
- Independent testing by the Petroleum Quality Institute of America confirms Kirkland Signature full-synthetic oil meets industry standards and API Service ratings, but consumers should always follow their vehicle manufacturer’s recommended oil specifications.
