I do all of mine at 5K intervals with OEM oil filters and full synthetic oil of the appropriate wt. Runs about $30-$35 per vehicle except for my diesel.

Last edited by SockPuppet; 01/17/20.
Mercy ceases to be a virtue when it enables further injustice. -Brent Weeks

~Molɔ̀ːn Labé Skýla~