The 2021 Kia Niro is available as a 4-door, 5-seat sport utility. Starting at $24,690, the 2021 Kia Niro LX is powered by a 1.6L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 53-mpg in the city and 48-mpg on the highway. The top of the line 2021 Kia Niro EX Premium, priced at $32,950, is powered by a 1.6L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 51-mpg in the city and 46-mpg on the highway.