The engine in the coming Porsche 911 GT3 RS will be the heart of the turbocharged ... and "if you look at euro per g/km, then it's turbo." We don't know what the engine lineup will look like ...

It starts with the current 992 911 GT3 as a base, but as with RS that have gone before its wider body is shared with the Turbo and from here Porsche’s gone to new extremes, replacing the bonnet ...