Rolls Royce is an iconic brand of luxury cars, often associated with prestige and exclusivity. While the name "Rolls Royce" is unique and instantly recognizable, there are a few synonyms that can be used to describe this classic automobile. One term that comes to mind is "luxury car," which encompasses the high-end features and refined quality that Rolls Royce is known for. Another term is "high-end auto," which emphasizes the top-of-the-line craftsmanship and luxurious amenities. Overall, any word that conveys elegance, sophistication, and premium quality can be used as a synonym for Rolls Royce.