10 Synthetic Oils Ranked: The Cheap Store Brand That Beats a Cult Favorite

10 Synthetic Oils Ranked: The Cheap Store Brand That Beats a Cult Favorite In AAA's engine lab, synthetic oil beat conventional oil by an average of 47% across eight industry tests — yet some synthetic jugs cost more than twice as much as others carrying the exact same certification. In this video: 10 synthetic oil brands sold in America, ranked from #10 to #1 by specifications (API SQ / ILSAC GF-7), product range, value and how easy they are to find — plus the 6-step check to pick the right oil for YOUR engine. The short version: the spec in your owner's manual comes first, the viscosity second, and only then the brand. CHAPTERS 0:00 Intro 1:21 #10 Royal Purple 2:44 #9 Liqui Moly 3:50 #8 Kirkland 5:02 #7 Supertech 6:11 #6 Quaker State 7:29 #5 Havoline 8:35 #4 Castrol 9:49 #3 Valvoline 10:55 #2 Pennzoil 12:14 #1 Mobil 1 13:24 The 6-Step Oil Check 🔔 Subscribe to Drive Care Lab for practical car care tips, common driver mistakes, and money-saving maintenance — backed by real numbers. ⚠️ Disclaimer: This video is for general information only. Always check your owner's manual and consult a qualified mechanic for your specific vehicle. #CarCare #CarMaintenance #DriveCareLab