... Earnest... Historically ....my wife's 2012 Equinox (3.0L) had a 4000 mile INTERVAL on the W/S sticker( by me)...well...when that came (and went) it STILL had 60+ % LEFT on the oil life INDEX... and at 5000 miles it had 40 (something) % LEFT... farthest we ... Login to read more.