Which company has the most powerful hybrid vehicle for sale in the United States?



  1. 0 Votes

    BMW.  Their 2010 BMW X6 xDrive50i hybrid features a 4.4 liter V8 engine, giving 478 horsepower and 575 foot-pounds of torque.  Although a hybrid, its power drags down its efficiency, getting only 22.8 miles per gallon. 

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