Question about 2003 Kia Optima
Any oil will work. pennzoil ,castrol etc just depends on what brand you want to use.
( my opinion is that they're all the same) what you need to do is get the oil "viscosity" that kia recommends. its probably gonna be 5w-30 or 10w-30. it's also gonna be listed on a sticker under your hood.
any oil will work any viscosity. it really does not matter ( as long as you have some oil )
*but the guidelines for each vehicle say that if you use the viscosity they tell you to ( your car should perform the best it can with that grade oil )
Posted on Jul 31, 2010
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Posted on Jan 02, 2017
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