The RS 5 Sportback was unveiled at the 2018 New York Auto Show. Say you're an upwardly mobile couple looking to embark on a multiday journey with a pile of luggage to haul around. Convenience is key, and there are no shortage vehicles on sale that would do the job. But say you also want something fast, fun, luxurious, and elegant that isn't some sort of crossover, and that list shrinks considerably to a handful of cars like the 2019 Audi RS5 Sportback. The Sportback's trick hatch-like rear ope