SCCA® Solo classing — unofficial guide
What autocross class is a Mazda RX-8?
CSStreetDSTStreet TouringDSPStreet Prepared
A stock 2004–2011 Mazda RX-8 runs in CS (Street) under the 2026 SCCA Solo Rules. Built to Street Touring allowances (within DST tire and wheel limits), it runs DST.
From the 2026 rulebook (Appendix A)
Street: 'RX-8' under Mazda in C Street. ST: 'RX-8' in DST. SP: 'RX-8' = DSP.
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.