looking at a 2010 GX 460 with 155K the maintenance records seem pretty solid and it drives well. Carfax indicates 4 previous owners. We happened to be at the dealer when they first started it up to show to another customer and she seemed to be a bit loud. I was told it was sold then came back...
I bought one there a few months back for $49ish and it started a dead dodge ram 1500 5.7 not sure how long it will hold the charge or if it will last as long, but I'm now carrying it with me on those kind of trips...
Best as I know LX's never came with a factory locker, FWIW I have taken it up a few decent, not extreme trails and the only time the ATRAC has kicked on was leaving my neighborhood with a heavy load of ice and snow.