Can Affalterbach’s newest supercar match the long-standing Porsche 911 GT3?
The hardcore Mercedes-AMG GT R is aimed squarely at the Porsche 911 GT3. For now, it’s the most focussed performance car Mercedes-AMG builds – more power, less weight and a stiffer chassis setup make it faster and more athletic than lesser AMG GTs.
But how does it cope with a bumpy British B-road, and is it completely out of its depth in wet weather? We spent two days on the best roads in South Wales finding out.