|Chile joins WRC||New event in Chile is included in 2019 calendar, which retains all previous events and expands to 14 events.|
|Permanent competition numbers||Except number 1, which will always be reserved for the reigning World Rally Champion, all other Priority 1 drivers will be free to choose their permanent car number. This is done to give consistent identity to drivers and assist with promotion.|
|Rally 2 restart order||P1 competitors restarting under Rally 2 regulations will restart before the other P1 competitors.|
|Reduction of maximum rally distance||The total distance of special stages has been reduced from a maximum of 500 to a maximum of 350 kilometres. Change is mostly theoretical, only three rallies exceeded 350 kilometers in 2018 and only one of them by any significant amount.|
|Support championships||WRC2 championship is divided into WRC 2 Pro and WRC 2 (regular). Former is for manufacturer backed and registered entries, latter is for all other WRC2 entries.|
At the same time, WRC 3 championship is scrapped.