When a car is redesigned, it's more likely to become larger than smaller. Understandably so: Extra space is an obvious selling point to justify the new model over its predecessor.
General Motors bucked this trend with the fully-redesigned 2017 GMC Acadia. Once a plus-sized crossover, the all-new 2017 model slimmed down into the midsize class, gaining fuel efficiency and handling agility, even if interior volume declined.
But the Acadia's former mechanical twins – the Chevrolet Traverse and the more luxurious Buick Enclave – didn't follow the same path. Redesigned for 2018, these two crossovers remain unapologetically massive, with among the best space for passengers and cargo in anything short of a minivan.