For the 2021 Kia Sportage, both the low-beam and high-beam headlights use a 9005 bulb. The supplied fitment data does not list separate bulb sizes for different headlight designs, so confirm the housing and existing bulb before ordering.
The fog lights use a 9006 LED bulb. At the front, the turn signals and parking lights use 2357A, while the front side markers use 2825. The daytime running lights use 7528.
At the rear, the brake lights use 7443, the rear turn signals use 1156A, and the tail-light fitment includes both 7528 and 2357R. Rear side markers use 2825. For other lighting, the license plate lights use 2825, dome and trunk lights use 6461, and vanity lights use 6418. No reverse-light bulb fitment is listed in the supplied data.