Cars used in marketing context (advertising some brand) are definitely not gray :-) People generally like color in some measure and it obviously serves as send

Cars used in marketing context (advertising some brand) are definitely not gray :-) People generally like color in some measure and it obviously serves as sending a more intense signal. But in various contexts other factors may prevail (e.g maximizing the market for eventual sale) The interesting question is when does color get used more extensively (above average) and why.