The 2016 Infiniti QX70 is available as a 4-door, 5-seat sport utility. Starting at $45,850, the 2016 Infiniti QX70 4x2 is powered by a 3.7L, 6-cylinder engine that returns an EPA estimated 17-mpg in the city and 24-mpg on the highway. The top of the line 2016 Infiniti QX70 AWD, priced at $47,300, is powered by a 3.7L, 6-cylinder engine that returns an EPA estimated 16-mpg in the city and 22-mpg on the highway.