Cars.com has long pitted three-row SUVs against each other, as recently as last year with the Three-Row SUV Challenge. But we've always concentrated on light-duty people haulers — "crossovers," if you must. So how about SUVs that can tow and haul much heavier loads and tackle off-road terrain while seating up to nine? For the first time, we're finding out how the Chevrolet Tahoe, Ford Expedition, Nissan Armada and Toyota Sequoia fare against each other in this 2018 Full-Size SUV Challenge. Watch the video to see which one comes out on top.