The 2015 Buick Regal is a part of the fifth-generation Regal series introduced in 2010. Available in both FWD and AWD variants, the Regal comes with two engine options: the standard 2.0-liter turbocharged four-cylinder engine, offering impressive 259 horsepower, and the 2.4-liter four-cylinder in the eAssist mild hybrid capable of 182 horsepower. Equipped with a six-speed automatic transmission, the Regal ensures a serene ride, mirroring Buick's commitment to comfortable, quiet cruising. Available in four trims - Base, Premium I, Premium II and GS - it flaunts significant upgrades in its tech department with the OnStar system including 4G LTE and built-in Wi-Fi hotspot. Safety features include antilock brakes, stability control, front-seat side airbags, and full-length side curtain airbags. For the 2015 edition, the GS trim level introduces standard equipment including adaptive cruise control, collision mitigation braking, and lane departure warning.