SCCA® Solo classing — unofficial guide
What autocross class is a Honda CR-Z?
HSStreetESTStreet Touring
A stock 2011–2016 Honda CR-Z 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 | — |
| 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: 'CR-Z' = HS (years approximate). ST: 'CR-Z' = EST.
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.