2019 Acura RDX & 2018 Porsche 911 GT2 RS

This week, Acura gives the all-new RDX better bones, brawn and beauty. Pat Goss decodes the signs of what your tires are telling you. Stephanie Hart has the latest on autonomous driving as it gets closer to reality. Finally, Porsche raises the bar on rare and fast with the 911 GT2 RS.