No, the next-generation 2015 GMC Yukon, Yukon XL, and Yukon Denali, are not extreme departures from past models. Frankly, they don’t need to be. In the full-sized truck and SUV segment, evolutionary design is the name of the game, and in that regard, we feel the 2015 GMC Yukon family has evolved quite handsomely. However, many of you may not agree. In any case, voice your opinion on the matter, and cast your vote in the latest poll below.