This turbocharged engine has amazing power that provides 259 hp, unless you decide to go with the eAssist gas/electric 4 -cylinder engine that provides 182 horsepower. Also, you can choose between FWD or AWD. Gas mileage on this vehicle is great with 19 MPG city and 27 MPG highway. Cavender Buick GMC West offers a large inventory of the Buick Regal, and can personalize it to match your style. We also offer many accessories such as premium all wheel floor mats, grille inserts, and headrests with a built in DVD player.