We're watching as a 1971 Plymouth Duster 340 and 1970 Buick GSX duke it out on the drag strip in the following video. Which ...

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.

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.

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.

Keeping its forefathers' tradition alive, the 1971 Buick Centurion was powered ... end muscle cars like the GS 455 Stage 1 and GSX, it was the best Buick had to offer in that price range.