When something is referred to as “the Cadillac of” its particular category, it usually means it’s the best of the best. That’s because, for decades, Cadillac was the rare American brand willing to go toe-to-toe (wheel-to-wheel?) with the more dominant German brands in competition for luxury car shoppers. (Ask your grandparents, kids.) And while those brands have occasionally outsold Cadillac , the Detroit automaker has won the lexiconic battle by becoming synonymous with style, class, and