Motor Trend got their hands on a Lexus GX550 Overtrail Prototype and put it through it's paces. They have a great, in depth writeup. I don't want to spoil the whole article by posting it here but one way to sum up their thoughts was that the GX550 was a Refind Rock-Crawler.
You can check out the full article here: https://www.motortrend.com/reviews/2024-lexus-gx550-overtrail-prototype-first-drive/