SCCA® Solo classing — unofficial guide
What autocross class is a Scion tC?
HSStreetESTStreet TouringFSPStreet Prepared
A stock 2005–2016 Scion tC runs in HS (Street) under the 2026 SCCA Solo Rules. Built to Street Touring allowances (within EST tire and wheel limits), it runs EST.
Class by preparation level
| Stock (Street) | HS |
| Street Touring | EST |
| Street Prepared | FSP |
| Street Modified | SMF |
| 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: 'tC (incl. Release Series 5.0 2009) (2005-16)' = HS. ST: 'tC' = EST. SP: 'tC' = FSP.
Other HS cars
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.