..anyone's taken their Nox off the beaten track and how it went..
They are very capable off-road. They are limited by ground clearance, but you will be pleased by the amount of suspension travel and available traction.
One thing prior to going off the beaten path is to disable StabiliTrak and traction control completely. Press and hold the StabiliTrak button for about 5 seconds until both of these lights show up on the dash.
Ground clearance (6.9 inches) and sad approach/departure/breakover angles will be the limiting factors (15/23/17 degrees). A Subaru Outback beats all those numbers by a considerable margin.
But for flat ground "off roading" it should do decently. For beach driving airing down tires is the biggest thing you can do to help it out, but I'm not certain how much improvement you'll get with 19" wheels, or where the system gets angry at low tire pressure.
I haven't done a lot of off roading with our car, but am generally of opinion this is not something I would not want to do much of. Both the front and rear overhangs appear flimsy and have a lot of easily damaged plastic. The 19 inch tires are highway tires, and the and the low profile 19 inch rims would be very subject to damage. Also, the all wheel drive system itself is not really set up for good performance in off road conditions.
We have an 18 2.0 AWD LT. This summer we traveled from Elko NV to Hawthorne NV 300 miles by paved highway, we traveled it on back dirt roads and trails. Ground clearance is really the only draw back. It forces a person to know how to drive off-road. I have 55 years of driving off-road and I like our Equinox all around.
If you are in deep mud or snow/slush the StabiliTrak tries to keep the vehicle straight. It really overworks the brakes and makes it difficult to navigate in those conditions. There was one stretch on a muddy two-track that when I got through it the brakes were very hot. If you are on an old service road that is dry, there really isn't a need to turn them off. But with them off it makes doing doughnuts easier.