The term 'Big Name in Luxury Cars' can be summarized by two crossword solutions: Royce (5 letters) and BENZ (4 letters). Royce is a British luxury car brand founded in 1904 by Charles Rolls and Henry Royce. The company is known for its high-end cars, which are often considered to be the epitome of luxury. BENZ, on the other hand, is a German luxury car brand founded in 1926 by Karl BENZ. It is renowned for its innovative designs and cutting-edge technology, making it one of the most sought-after luxury car brands in the world.