The 2019 Infiniti QX30 is available as a 4-door, 5-seat sport utility. Starting at $30,250, the 2019 Infiniti QX30 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 33-mpg on the highway. The top of the line 2019InfinitiQX30ESSENTIAL AWD , priced at $ 41,500 , is powered by a 2.0L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 21-mpg in the city and 30-mpg on the highway.