WhatClassAmIAutocross Classing Guide

SCCA® Solo classing — unofficial guide

What autocross class is a Toyota Supra Turbo (Mk4)?

BSStreetSSTStreet Touring

A stock 1993–1998 Toyota Supra Turbo (Mk4) runs in BS (Street) under the 2026 SCCA Solo Rules. Built to Street Touring allowances (within SST tire and wheel limits), it runs SST.

From the 2026 rulebook (Appendix A)

Street: 'Supra Turbo (1993½-98)' = BS. ST: 'Supra Turbo (1993½-98)' = SST.

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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.