The 2016 Infiniti Q50 Hybrid is available as a 4-door, 5-seat sedan. Starting at $47,050, the 2016 Infiniti Q50 Hybrid RWD is powered by a 3.5L , 6 -cylinder engine that returns an EPA estimated 28-mpg in the city and 34-mpg on the highway. The top of the line 2016InfinitiQ50 HybridAWD , priced at $ 49,050 , is powered by a 3.5L , 6 - cylinder engine that returns an EPA estimated 27-mpg in the city and 31-mpg on the highway.