WhatClassAmIAutocross Classing Guide

SCCA® Solo classing — unofficial guide

What autocross class is a Chevrolet Cobalt SS (2.0L Turbo)?

GSStreetGSTStreet Touring

A stock 2008–2010 Chevrolet Cobalt SS (2.0L Turbo) runs in GS (Street) under the 2026 SCCA Solo Rules. Built to Street Touring allowances (within GST tire and wheel limits), it runs GST.

From the 2026 rulebook (Appendix A)

Street: 'Cobalt SS (2.0L Turbo) (2008-10)' = GS. ST: 'Cobalt (2.0T)' = GST.

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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.