Cadillac Reviews | Cadillac News | Driving -First drive: 2017 audi a4 | driving, The 2017 a4 is incredibly important for audi. it takes the best of the a8 and bundles it into a more affordable package..Gm semi-autonomous tech debut 2017 cadillac - motor, Gm ceo mary barra revealed that an all-new 2017 cadillac will feature semi-autonomous tech, and that the 2017 cts will feature v2v tech..