The 2020 Genesis G80 is available as a 4-door, 5-seat sedan. Starting at $42,550, the 2020 Genesis G80 3.8 RWD is powered by a 3.8L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 26-mpg on the highway. The top of the line 2020GenesisG805.0 Ultimate AWD , priced at $ 60,000 , is powered by a 5.0L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 23-mpg on the highway.