WhatClassAmIAutocross Classing Guide

SCCA® Solo classing — unofficial guide

What autocross class is a Kia Stinger (V6 Turbo)?

FSStreetBSTStreet Touring

A stock 2018–2022 Kia Stinger (V6 Turbo) runs in FS (Street) under the 2026 SCCA Solo Rules. Built to Street Touring allowances (within BST tire and wheel limits), it runs BST.

Class by preparation level

Stock (Street)FS
Street TouringBST
Street Prepared
Street ModifiedSM
Prepared

A “—” means the car isn’t listed at that level; a build lands in the least-prepared category its modifications allow.

Also eligible for

XA/XBXtreme Street

From the 2026 rulebook (Appendix A)

Street: 'Stinger (V6 Turbo) (2018-22)' = FS. ST: 'Stinger (V6 Turbo) (2018-2023)' = 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. Spot an error? Report it on GitHub.