The 2020 Lexus NX 300 is available as a 4-door, 5-seat sport utility. Starting at $36,870, the 2020 Lexus NX 300 Base FWD is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 28-mpg on the highway. The top of the line 2020 Lexus NX 300 F SPORT AWD, priced at $40,510, is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 27-mpg on the highway.