The 2019 Infiniti QX50 is available as a 4-door, 5-seat sport utility. Starting at $36,650, the 2019 Infiniti QX50 PURE FWD is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 24-mpg in the city and 31-mpg on the highway. The top of the line 2019 Infiniti QX50 ESSENTIAL AWD, priced at $45,450, is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 24-mpg in the city and 30-mpg on the highway.