Top 10 Top 10 Slowest Cars From 0-100 km/h by The Car Guide April 1, 2023 Photo: Dominic Boucher8. Kia Sportage Also new for 2023, the Sportage shares its 187-hp engine with the Tucson, needing 10.3 seconds to top 100 km/h. « PreviousNext » Share on Facebook Share: