DETROIT — With the 2018 Regal Sportback, Buick builds on its track record of making bold moves outside traditional vehicle segments to deliver unique customer offerings that fit modern lifestyles. The Regal Sportback provides a sleek, sporty, coupe-like design, the spirited performance of a premium sports sedan and unexpected versatility in one sophisticated package for a perfect balance of form and function. The coupe-like roofline captures the expressive style and passion customers want, while the five-door layout enables easier access to cargo space. With the split-folding second row seats in place, the new Regal Sportback offers 31.5 cubic feet of cargo space, more than twice as much as the 2017 Regal. In keeping with its sporting nature, the Regal Sportback’s cabin takes a driver-centric approach, with the center stack skewed towards the driver for a cockpit feel. The cabin’s craftsmanship is characterized by clean lines, uncluttered surfaces and premium seating materia...