2012 Buick Regal gains Hybrid System

Buick today standard 2011 Regal fitted with a four-cylinder gasoline engine and six-speed transmission is 25%. This is enough to beat competing models such as the Acura TSX, which returns 22 mpg in the city and 31 mpg on the highway. The eAssist system comprises a 115V lithium-ion battery and 15-kilowatt induction motor-generator, which is mounted to 2.4-liter direct injection four-cylinder