The 2021 Kia Sedona is available as a 4-door, 7-seat passenger van. Starting at $30,400, the 2021 Kia Sedona LX is powered by a 3.3LL , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 24-mpg on the highway. The top of the line 2021KiaSedonaSX , priced at $ 41,500 , is powered by a 3.3LL , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 24-mpg on the highway.