Though Buick didn't prioritize performance, its 455 Stage 1-equipped GS could run the quarter mile in 13.38 seconds, according to a test published by Motor Trend magazine in its January 1970 issue.

At the same time, Motor Trend Magazine took a Buick GS 455 Stage 1 for a full-send session and came to the following conclusions: 13.38 seconds at 105.5 mph - with a 1.8-ton Buick.

As prices climb on Chevelles, GTOs, and Road Runners, Buick’s flagship muscle car is earning renewed respect—and higher demand—on the auction block. 1969 Buick GS 400 Stage 1 Convertible ...

What The Stage 1 Offered Under The Hood Buick introduced the GSX in 1970 as an answer to cars like the Pontiac GTO Judge and Oldsmobile 442 W30, fitting its powerful GS 455 hardtop with exclusive ...

A Buick? The third-fastest muscle car ever made? Faster than a Hemi? Impossible! Check out this shootout footage from 1984 of the 1970 Plymouth Hemi GTX vs a 1970 Buick GS Stage 1 that sparked the ...

The 1969 Buick GS Stage 1 offered a high-performance 400-cube V8 making 340 horsepower. This one will soon cross the block at the Mecum Auctions Summer Special.

Some people think Buick makes upscale family cars, but they have produced some real ground-shakers—like the awesome '70-'71 455 GS Stage 1 cars. Minonk, Illinois', Mike Cunningham keeps a '71 alive.