Added 1981-1992 model years
Added 1979-1980 model years
Added various seat options
Added Elegance configurations
Added Chevrolet 305 CID V8 (base engine for 1991-1992 model years) and Chevrolet 350 CID V8 (optional engine for 1990-1992 model years) engines from its 1991-1996 Chevrolet Caprice variant
Added Landau roof options
Added 1987-1992 Brougham badges
Added 1990-1992 Aero/Caprice style front end
Added various door panel options
Changed interior options
Added Premier vinyl roof option (1987-1992 model years, optional for 1987-1989 model years, standard for 1990-1992 model years)
Added trunk reflectors for 1987-1989 model years
Turn signal lights now work
Added standing Cadillac crest "skeleton" ornament that was used exclusively on 1977-1979 models. Deville d'Elegance sedan
Improved engine models.
Quality model of both exterior and interior
Detailed engine and space under the hood
Materials with PBR technology
Animated gauges, pedals and gear lever
Functional lighting
Working mirrors
Ability to open doors
Unique wheels
10 different configurations.

Credits: John Tanner, Horton907, SAEN.