Itâ€™s new for the 2021 model year and its changes represent the largest shift for the brute ute in more than a decade. Itâ€™s larger, has a more sophisticated suspension in pricey versions, gets an optional turbodiesel engine, and sports more cameras and forward gears than ever. With the Yukon, GMC has another high-dollar hauler to add to its arsenal and one with more trims than before. We drove the effortlessly smooth and quick Denali edition. GMâ€™s powertrain skills show up in full force here; the big V-8 sounds unbothered as it hustles up to speed, estimated here for scoring at about seven seconds to 60 mph.