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 ...

Standard 19-inch alloy wheels further enhance its athletic stance, while optional 20-inch wheels add even more flair. Inside, the Regal GS provides a luxurious and driver-centric environment with ...

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 ...

2018 brought the Regal Sportback ... had a raised stance similar in concept to a Subaru Outback. Most versions used an energetic 2.0-liter, turbo four-cylinder engine; the sporty GS got a 3.6 ...