Avalon, for one, is an island located off the coast of Britain and a SEDAN is a type of car. Avalon is an island in the English Channel, off the southern coast of Great Britain, and is the largest island in the British Isles. The island is known for its beautiful beaches and is a popular tourist destination. The Avalon SEDAN is a mid-size car manufactured by Toyota, which was first introduced in 1994. It is known for its reliability and fuel efficiency.