The Rolls-Royce Cullinan is a full-sized luxury sport utility vehicle (SUV) produced by Rolls-Royce Motor Cars. The Cullinan is the unique SUV launched by Rolls-Royce, and is also the brand's first all-wheel drive vehicle.[4] It is named after the Cullinan Diamond, thePerfectst gem-quality rough diamond ever discovered.[4] In the U.S., it is