MAINTENANCE & DIY · KINJAMaintenance & DIY· Cover№ 144
Synthetic Oil vs. Conventional Oil: The $30 Question the Oil Change Industry Doesn't Want You to Answer Yourself
AAA tested synthetic vs. conventional oil across eight benchmarks. Synthetic won by 47%. But 30% of cars don't need it. Your owner's manual has the answer the oil change shop won't give you.
James Morrison·12 min
