A kart-racing game should be judged as a game. For SuperTuxKart, the useful questions are whether the handling is enjoyable, your devices run it smoothly, and your group can actually play together.
Try several tracks with different difficulty, race against AI, and run the local or online multiplayer mode you intend to use. Check controller support, frame rate during crowded scenes, camera comfort, and accessibility settings. If children will play, review account, chat, and content controls. The official SuperTuxKart site and documentation can help identify available modes, but a hands-on session is the real test.
When comparing another racer, keep hardware, controller, and race length the same. Record what felt frustrating and what invited another round. Save data portability or store terms may matter, but they should not obscure the basic result: a game people want to play.
Akousa