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 ...

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.

Compared to the base Regal, the GS boasts a sportier design, a more powerful turbocharged engine, and exclusive performance-tuned components. It introduces Buick's Interactive Drive Control System ...