The 65 and 66 A-body GS cars came standard with the 10.25:1, 325hp 401. Only a very limited number of 66s were ordered with an optional 340hp 401 fitted with 11:1 pistons and a Quadrajet carb in ...

Rare Buick GS 400 Convertible joins Hagerty Marketplace auction with fresh upgrades and a Power Tour appearance.

Our goal is to help you discover additional cars that match your search preferences. As a benefit to some of our dealer customers, we display their listings first. The Buick GS price depends on ...

Buick. The fifth-gen GS came equipped with General Motors’ (GM) LHU Ecotec (later LTG with slightly less power) turbocharged 2.0-liter four-cylinder engine that produced 270 horsepower and 295 ...

As far as American automakers go, Buick should be one of the most celebrated. Not only was it one of the first brands in the States, it led to the establishment of the automotive giant, General ...

The addition of the prestigious Gran Sport badge refers back to the Buick muscle cars of the mid-Sixties, including the Skylark GS and the Riviera GS. It since has been applied to other Buicks ...

A recent trademark filing hints that General Motors will keep the sporty Buick GS badge for future electric cars. GM on Oct. 4 filed a trademark application for the Electra GS name, combining the ...