1)Winnebago unknown.
2)SAAB-something Turbo, possibly a 900 Turbo.
3)Volkswagen Beetle of the late-1960's(originally a red-X),
4)Some kind of Mercedes-Benz from the 1970's.
5)Mazda B-something, possibly a B-2000
6)Cadillac from the mid-1970's.