Q What is the difference between a Land Rover and a Range Rover?

Much has been written on this subject. But a short answer is that the original company was Land Rover while Range Rover is a brand name of that company. 

Both Land Rover and Range Rover brands are renowned for offering a blend of luxurious urban and suburban driving with practical off-road ruggedness, the Land Rover leans more towards the practical ruggedness, while the Range Rover favours the luxurious urban drive.