SCCA® Solo classing — unofficial guide
What autocross class is a Porsche 928?
CSStreet
A stock 1978–1995 Porsche 928 runs in CS (Street) under the 2026 SCCA Solo Rules.
From the 2026 rulebook (Appendix A)
Street: '928 (all)' = CS.
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.