Malibu Landau vs Non-Landau

LandauMost Landau Malibus were equipped with a vinyl top but they could have been special ordered without the vinyl. Many re-painted cars will have the vinyl removed as well.
Landau cars have a wide exterior b-pillar post and will usually say "Landau" under the side emblem

Non-Landau cars have a thin exterior b-pillar post.