According to General Motors, the Regal GS is officially the fastest Buick ever made. The sedan's lead development engineer, Bill Rietow, and powertrain drive quality engineer, John Townsend ...

However, when we spotted this 1971 Buick GS Convertible (and yes, Buick considered Convertible to be part of the model’s name for 1971) on Hemmings.com, we wondered if this one might possibly ...

New automatic transmission for Regal GS and eAssist to be standard on 2013 Regal DETROIT – Coming off strong sales year in which it outsold the Audi A4, Lexus IS250, and Acura TSX, Buick's ...

Prices shown are the prices you can expect to pay for a 1998 Buick Regal GS 4 Door Sedan across different levels of condition. Edit options.

Prices shown are the prices you can expect to pay for a 1997 Buick Regal GS 4 Door Sedan across different levels of condition. Edit options.

For 2012, Buick added two new Regal variants, the eAssist mild hybrid and the high-performance GS. The eAssist paired the 2.4-liter engine with a small electric motor for improved fuel economy ...