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 2016 Infiniti Q50 Hybrid AWD, 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.