Money Why SUVs are getting bigger and bigger: GM, Toyota, Ford enlarge hefty vehicles December 27, 2019Nathan Bomey, USA TODAYComments Off on Why SUVs are getting bigger and bigger: GM, Toyota, Ford enlarge hefty vehicles GM's decision to bulk up the Chevrolet Suburban and Tahoe makes the automaker the latest to enlarge already-big SUVs. Why? Americans want more space.