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Prices shown for the used 2005 Buick Park Avenue Sedan 4D Ultra with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit options.

The Buick Park Avenue Ultra is one of those luxury cars with looks that could let it pass for a full-sized and well-kept early 1970s sedan. It's fairly large and has styling that can be summed up in ...

Buick has reached back into its design heritage in designing the 2003 Park Avenue Ultra, creating a modern interpretation of a classic Buick for the division's centennial year celebration. The Park ...