WhatClassAmIAutocross Classing Guide

SCCA® Solo classing — unofficial guide

What autocross class is a Chevrolet Corvette (C6 base/Z51)?

BSStreetSSTStreet Touring

A stock 2005–2013 Chevrolet Corvette (C6 base/Z51) 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: 'Corvette (C6, base and Z51) (2005-13)' = BS. ST: 'Corvette (C6, C6Zo6 non-ZR1) (2005-13)' = 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.