We Ran Valvoline vs. Castrol vs. Royal Purple in the Same F-150 for 1 Year — A Clear Winner

Is your engine oil actually protecting your motor, or are you just paying for a fancy label? We compared Valvoline, Castrol, and Royal Purple.

Most drivers pick their oil based on brand loyalty or whatever is on sale, but the laboratory data tells a different story.

Stop guessing which oil is best for your vehicle. Watch to see if your favorite brand made the cut—or if it’s time to make a switch.

What oil do you pick for your daily driver? Let us know in the comments below! 👇

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