Introduced in 1970 and built in only a few hundred units through 1972, the Buick GSX is one of the rarest muscle cars from the golden. Conversely, the Plymouth Duster 340 is a rather common rig.

One of the shortest-lived nameplates in Buick history, the Centurion was offered between 1971 and 1973, briefly replacing the ...

However, when we spotted this 1971 Buick GS Convertible (and yes ... though we’ve found that these often include data for GSX models, which is obviously skewing the results.

Prices shown are the prices you can expect to pay for a 1971 Buick GSX 2 Door Hardtop across different levels of condition. Edit options.