SCCA® Solo classing — unofficial guide
What autocross class is a Fiat 124 Spider (incl. Abarth)?
CSStreetASTStreet TouringFPPrepared
A stock 2017–2020 Fiat 124 Spider (incl. Abarth) runs in CS (Street) under the 2026 SCCA Solo Rules. Built to Street Touring allowances (within AST tire and wheel limits), it runs AST.
Class by preparation level
| Stock (Street) | CS |
| Street Touring | AST |
| Street Prepared | — |
| 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
XA/XBXtreme StreetXPX Prepared (open)
From the 2026 rulebook (Appendix A)
Street: '124 Spider (incl. Abarth) (2017-20)' = CS. ST: 'Spider (2016-20)' = AST. P: '124 Spider (2017-19)' = FP.
Other CS 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.