The front-wheel drive Regal is available in three variants: Base, Turbo and GS. Available four-cylinder engines feature direct fuel injection, and include a 182-hp 2.4-liter, 220-hp 2.0-liter turbocharged and a 270-hp 2.0-liter High Output turbocharged; additionally, Buick's new eAssist mild hybrid technology is offered for Base variants. Drivers also have a choice between a six-speed automatic transmission with manual mode and a conventional six-speed manual transmission. Every Regal is outfitted with 18-inch aluminum wheels, leather upholstery, heated front seats, dual-zone automatic climate control, Bluetooth wireless connectivity, satellite radio and a USB port. Additional trim-dependent standard and optional equipment includes a power sunroof, Bi-Xenon adaptive headlights, passive entry/start, garage door opener, upgraded audio and a navigation system. The new GS model gets an exclusive treatment that includes GS-specific grille and front/rear fascia treatments, an adaptive performance-tuned suspension with Interactive Drive Control, 19-inch aluminum wheels, sport seats and piano black interior trim accents. Standard safety features include 4-wheel anti-lock disc brakes with brake assist, electronic stability and traction control systems, OnStar and a tire pressure monitor, as well as six airbags; rear side airbags and rear parking assist are also available. All-new last year, the Regal carries over with minor changes for 2012. Standard equipment, package and trim offerings have been adjusted. Additionally, new eAssist mild hybrid and enthusiast-oriented GS models debut.