The term 'Beetle Cousin' refers to the Volkswagen Jetta, a five-letter compact car manufactured by German automaker Volkswagen. The Jetta is a cousin of the Volkswagen Beetle, a two-door economy car produced from 1938 to 2003. The Jetta was introduced in 1979 and has since become one of the most popular cars in the Volkswagen lineup. It is known for its affordability, reliability, and fuel efficiency.