SCCA® Solo classing — unofficial guide
What autocross class is a Buick Grand National & Regal (V6 Turbo)?
FSStreet
A stock 1984–1987 Buick Grand National & Regal (V6 Turbo) runs in FS (Street) under the 2026 SCCA Solo Rules.
From the 2026 rulebook (Appendix A)
Street: 'Grand National & Regal (V6 Turbo)' = FS (years approximate; listing has none).
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.