The 2018 Lexus RC 300 is available as a 2-door, 4-seat coupe. Starting at $40,640, the 2018 Lexus RC 300 RWD 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 32-mpg on the highway. The top of the line 2018LexusRC 300AWD , priced at $ 43,330 , is powered by a 3.5L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 24-mpg on the highway.