The Lexus GX 550 Overtrail blends luxury and tough bark with a powerful V6, advanced off-road tech, and customizable adventure-ready features.

In the largest unit, the 1.9-million-acre (7,689-square-kilometer) national monument Grand Staircase-Escalante, created only in 1996, off-road vehicles plow tracks that won't disappear for decades.

That’s exactly where Toyota (Lexus in this case) has always excelled, with its SUVs long trusted by off-road racing teams and enthusiasts alike. Now, the automaker has taken its off-road prowess ...