SCCA® Solo classing — unofficial guide
What autocross class is a Mazda RX-7 (non-turbo, FB/FC)?
A stock 1979–1991 Mazda RX-7 (non-turbo, FB/FC) runs in ES (Street) under the 2026 SCCA Solo Rules. Built to Street Touring allowances (within CST tire and wheel limits), it runs CST.
Class by preparation level
| Stock (Street) | ES |
| Street Touring | CST |
| Street Prepared | CSP |
| Street Modified | SSM |
| Prepared | FP |
A “—” means the car isn’t listed at that level; a build lands in the least-prepared category its modifications allow.
Also eligible for
From the 2026 rulebook (Appendix A)
Street: 'RX-7 (non-turbo)' = ES (years approximate). ST: 'RX-7 GSL/GSL-SE/GXL/GTU (1988)' trims = CST; 'RX-7 (non-turbo, NOC)' = EST. SP: 'RX-7 (non-turbo) (1978-85)'/'(1986-92)' = CSP. P: 'RX-7 (1979-85) / (1986-91)' = FP.
Other ES 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.