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 ...

It was called the Buick Regal GS, and it boasted some impressive specs for an affordable sedan. Additionally, the 2020 Regal GS, carrying the chassis code E2XX, could very well be a future ...

For 2013, the Regal's standard engine is the 2.4-liter eAssit powerplant – a mill that, according to the EPA, is good for up to 36 miles per gallon on the highway. Buick pulled a similar stunt ...