The term 'Big Name in Upscale Wheels' can be summarized as Mercedes, an 8-letter word. Mercedes is a German luxury car manufacturer that has been producing vehicles since the late 1800s. It is known for its high-end cars and SUVs, which are popular among those who want to make a statement with their vehicle. Mercedes is one of the most recognizable names in the automotive industry and is often associated with luxury and quality.