Vehicle: 2012 Buick LaCrosse eAssist Hybrid Engine: 2.4 liter inline four-cylinder with supplemental electric motor (EPA miles per gallon rating): 25 city / 36 highway MPG Host: Ross Rapoport

Vehicle: 2012 Buick LaCrosse eAssist Hybrid Engine: 2.4 liter inline four-cylinder with supplemental electric motor (EPA miles per gallon rating): 25 city / 36 highway MPG Host: Ross Rapoport