Top 10 10 Key Models to Celebrate 10 Years of “New GM” by Guillaume Rivard July 10, 2019 Photo: General Motors of Canada LtdCadillac XT6 In order to better serve North American customers, GM added a fourth SUV to the Cadillac lineup. Positioned between the XT5 and Escalade, the XT6 is a three-row midsize model with plenty of comfort and technology. « PreviousNext » Share on Facebook Share: