With Acura retiring the "powerplenum" grille, the "diamondpentagon" front end makes its first appearance on the bestselling MDX for 2017. Along with some new cabin materials and optional second rowcaptains chairs. It should make the latest 2017 MDX a viable choice in the midsize luxury crossover segment. Just know that some rivals offer far better interior tech and cabin furnishings but expect to pay a lot more for that.