5 Reasons You Shouldn’t Buy a Crossover SUV You may think you need a crossover for practicality or winter driving. You probably don’t. Photo by Tyler Duffy for Gear Patrol Share SUVs are no longer a craze or a trend. In fact, they’ve subsumed the (non-truck portion of the) car market. That’s especially true of crossover forms, which have come to dominate the category far more than the body-on-frame truck-based vehicles that pioneered the class.