WhatClassAmIAutocross Classing Guide

SCCA® Solo classing — unofficial guide

What autocross class is a Buick Grand National & Regal (V6 Turbo)?

FSStreetCPPrepared

A stock 1984–1987 Buick Grand National & Regal (V6 Turbo) runs in FS (Street) under the 2026 SCCA Solo Rules.

Class by preparation level

Stock (Street)FS
Street Touring
Street Prepared
Street ModifiedSM
PreparedCP

A “—” means the car isn’t listed at that level; a build lands in the least-prepared category its modifications allow.

Also eligible for

CAM-TClassic American MuscleXPX Prepared (open)

From the 2026 rulebook (Appendix A)

Street: 'Grand National & Regal (V6 Turbo)' = FS (years approximate; listing has none). P: 'Monte Carlo, Grand Prix, Regal, El Camino, etc. (A-body) (1982-88)' = CP.

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.