That’s because ’77 was the arrival of the downsized big GM cars, from the lowest-priced ... which Rob’s wagon has. Per the 1978 Buick brochure, the Estate Wagon Limited included ...

To celebrate its 75th anniversary, Buick wanted to build a special Riviera. This LXXV Edition will soon cross the Mecum Auctions block at its Arizona event.

Prices shown are the prices you can expect to pay for a 1978 Buick Regal Limited 2 Door Coupe across different levels of condition. Edit options.

Prices shown are the prices you can expect to pay for a 1978 Buick Riviera 2 Door Hardtop Coupe across different levels of condition. Edit options.