SCCA® Solo classing — unofficial guide
What autocross class is a Kia Stinger (4-cyl Turbo)?
GSStreet
A stock 2018–2023 Kia Stinger (4-cyl Turbo) runs in GS (Street) under the 2026 SCCA Solo Rules.
From the 2026 rulebook (Appendix A)
Street: 'Stinger (4-cyl Turbo) (2018-23)' = GS. No ST listing found (V6 = BST).
Unofficial guidance verified against the 2026 SCCA® Solo® Rules — always confirm against the current rulebook before competing. Classing data cites the exact Appendix A wording it relies on.