{"id":188103,"date":"2026-04-22T21:12:46","date_gmt":"2026-04-23T04:12:46","guid":{"rendered":"https:\/\/www.carparts.com\/blog\/?p=188103"},"modified":"2026-04-22T21:12:49","modified_gmt":"2026-04-23T04:12:49","slug":"what-kind-of-oil-does-my-car-take-plus-how-to-find-the-exact-viscosity-and-spec-quickref","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/what-kind-of-oil-does-my-car-take-plus-how-to-find-the-exact-viscosity-and-spec-quickref\/","title":{"rendered":"What Kind of Oil Does My Car Take? Plus How to Find the Exact Viscosity and Spec"},"content":{"rendered":"\nReading Time: <\/span> 7<\/span> minutes<\/span><\/span>\n

The answer to what motor oil<\/a> your car takes is the viscosity grade<\/a> and performance specification listed for your exact engine in the owner’s manual, with the oil filler cap<\/a> serving as a quick cross-check. Match both on the bottle, then fill to the specified capacity<\/a>.<\/p>\n\n\n\n

What kind of oil does my car take?<\/h2>\n\n\n\n

Your car takes the oil the manufacturer specified for your specific engine and model year, not a generic viscosity that seems close enough. To find the right one, you need to match both the viscosity and the required performance standard listed in your manual.<\/p>\n\n\n\n

Follow this quick process:<\/p>\n\n\n\n

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  1. Identify the engine. Different engine options and mid-year production changes can affect the oil spec.<\/li>\n\n\n\n
  2. Read the oil filler cap. Many caps show the viscosity directly, which tells you the oil weight your car needs.<\/li>\n\n\n\n
  3. Confirm the requirement in the manual. Look for the viscosity grade, any temperature chart, and the required API, ILSAC, ACEA, or OEM approval.<\/li>\n\n\n\n
  4. Check the bottle markings. Two oils can share the same viscosity and still be wrong for your car if they meet different performance standards.<\/li>\n\n\n\n
  5. Buy the correct amount and an oil filter<\/a>. Follow the capacity listed for your specific engine and filter combination.<\/li>\n<\/ol>\n\n\n\n

    One important warning:<\/strong> do not reach for heavier oil as a quick fix for engine noise or oil consumption. Diagnose the problem first, because using the wrong viscosity can increase cold-start wear and interfere with oil-fed components like variable valve timing actuators.<\/em><\/p>\n\n\n\n

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    Pro Tips<\/strong> are nuggets of information direct from ASE-certified automobile technicians working with CarParts.com, which may include unique, personal insights based on their years of experience working in the automotive industry. These can help you make more informed decisions about your car.<\/p>\n <\/div>\n

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    \n Pro Tip:<\/strong>\n A caveat might be if it’s an old vehicle that’s on its last legs and isn’t worth spending a lot of money on, you may feel you have nothing to lose. But if you’re experiencing oil consumption, sometimes simply changing the oil brand while maintaining the same viscosity will make a difference, believe it or not. <\/p>\n <\/div>\n <\/div>\n\n<\/div>\n\n\n\n\n

    One anecdotal example involved a high-mileage 1974 Ford Ranchero that was regularly driven 150 miles a day and was using a quart of oil every two days. After switching to a different oil brand while maintaining the same viscosity, the oil consumption reportedly went from a quart every two days to a quart every two weeks.<\/p>\n\n\n\n

    How viscosity grades work in real engines<\/h2>\n\n\n\n

    Viscosity controls how easily oil flows when the engine is cold and how much protective film it forms when the engine is hot. It also determines how quickly oil reaches critical components like bearings and cam surfaces after a cold start. For these reasons, the manufacturer’s viscosity rating is part of the engine’s design, not simply a preference.<\/p>\n\n\n\n

    Note<\/strong>: “W” stands for Winter, not Weight.<\/em><\/p>\n\n\n\n

    A multi-grade oil like 5W-30 works as follows:<\/p>\n\n\n\n