Ratings & Reviews for Quaker State Engine Oil 10W-40 Conventional 5 Qt. Advanced Durability
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this motor oil for consistent performance and exceptional value, with nearly all reporting deep satisfaction and decades-long loyalty. Many cite generational use across multiple vehicles—from classic cars to modern high-mileage engines exceeding 200,000 miles—without mechanical issues. Reviewers consistently describe smooth engine operation, clean internals, and strong protection under heavy use. A significant number highlight the outstanding price-to-performance ratio, noting it works as well as more expensive brands at a lower cost. Despite one isolated negative review, the vast majority consider this their trusted choice for reliable engine care.
Customer review summary generated by AI, including incentivized reviews.Quaker state motor oil
I have been driving since I was 12 yrs old and the first thing my mom taught me was to always check my oil and I have always used quaker state motor oil and I always will. For me has been the most reliable oil for every car I have ever owned
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Great
Would RecommendHave older truck high mileage and needed good product
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Durable & always dependable for my vehicles!
Would RecommendThis is the only brand that I buy for all my vehicles & will never choose another brand because it's the most dependable name to trust to keep my car running!
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awesome
Would RecommendMy husband buys nothing but quaker state and craftman tools
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Great overall
Would RecommendI've used this product for many years and have never had any issues with it. Good product!
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many many miles of satisfaction
Would Recommendi use this in my 87 turbo coup thunderbird and I love it's durability keep doing what you do thanks a million
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Holds up to hard engine use and cars over used ane
Would RecommendFord Ranger 2000 235600.00 miles two daughters drove this truck to college oil held up under their abuse.
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Love this Oil
Would RecommendI and now using this for all of my vehicles. My engines are running smooth. Take care of your engine and it will take care of you.
From quakerstate.com
Great oil!!
Would RecommendI've run this in my work car since day one. I now have 281k on the car and it still doesn't burn any oil. I run this in all of my vehicles and always will.
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I am a mail carrier with a lot of stops and have used it in multiple vehicles never a problem
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Use in my '64 SS Impala
Would RecommendI've have been using Quaker State oil in all my cars since my youth when my uncle recommend it. I now use the 10w 30 in my 1964 Impala SS 327ci. Thanks for a great product.
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Stays looking clean
Would RecommendGood product. Stays looking clean for a while, price is reasonable also.
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Good oil for most everything
Would RecommendI use it in everything from lawnmowers to boats. Always been very satisfied.
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It works!!
Would RecommendGood oil for the price strong brand name you can trust
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All ill use
Would RecommendIve been using Qualer state oil in all my trucks, my old 1978 f150 ranger has ran Quaker state his whole life
From quakerstate.com
Clean
Would RecommendI bought this a month ago and it is the cleanest oil on the market.
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Go to product
Would RecommendI have been using this for quite some time now and is great. Recommend to anyone.
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Quaker State is Great!
Would RecommendI have been using Quaker State engine oil for 31 years and it just keeps getting better and better! Thanks for a great product Quaker State!
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Durability
Would RecommendDurability in engine life is extremely important to me
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