With a more European-style chassis, the 2013 Buick Regal is not yet the best-selling ... 2.4-liter with eAssist—a battery-powered electric motor that acts like a hybrid to improve fuel economy ...

And its luxurious and understated interior better fit Buick's more upscale image. The 2011 Buick Regal is based on the ... release system also are standard. Rear-seat thorax airbags are an extra ...