SCCA® Solo classing — unofficial guide
What autocross class is a Pontiac Firebird Trans Am & Formula (WS6)?
FSStreetBSTStreet Touring
A stock 1998–2002 Pontiac Firebird Trans Am & Formula (WS6) runs in FS (Street) under the 2026 SCCA Solo Rules. Built to Street Touring allowances (within BST tire and wheel limits), it runs BST.
From the 2026 rulebook (Appendix A)
Street: 'Firebird Trans Am & Formula (WS6, base car only, incl. GM-installed 1LE) (1998-2002)' = FS. ST: 'Firebird (N/A)' = BST.
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.