They made by the same company but they are not the same car.
There is no “Land Rover” model. The brand is Land Rover, made by the company Jaguar Land Rover Limited. They make different models of car, one of which is called “Range Rover” and none of which are called “Land Rover”.
There is no “Land Rover” model. The brand is Land Rover, made by the company Jaguar Land Rover Limited. They make different models of car, one of which is called “Range Rover” and none of which are called “Land Rover”.