The 1989 Cadillac Brougham d'Elegance was Cadillac's flagship luxury model from 30 years ago. Today I'm reviewing this Cadillac Brougham to show you all the ins and outs of the most luxurious Cadillac you could get in 1989 -- and I'm driving it to explain what it was like to drive this 1980s Cadillac luxury sedan.