I've got ~26K miles on a 2007 Honda Civic. Oil Can Henry's is upselling me on Castrol Syntec vs conventional oil. Should I bite?
I’ve used conventional oil for the last 25,000 miles and I’m not sure I can justify the cost. Still, it seems like I’d be naive to ignore the advice of an auto technician (although it means more money for them).
It synthetic oil worth it?
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