Top Gear – Mercedes AMG GT R vs Porsche 911 GT3 RS vs BMW M4 GTS Chris Harris Review – Video

 

The Porsche 911GT3 RS has been the king of the fast road track weapon category but a German civil war is brewing. Could the new Mercedes AMG GT R and BMW’s M4 GTS give the Porsche a run for its money? It’s time for Chris Harris to find out.