WhatClassAmIAutocross Classing Guide

SCCA® Solo classing — unofficial guide

What autocross class is a Saab 9-2X Aero (2.0L Turbo)?

HSStreetGSTStreet Touring

A stock 2005–2006 Saab 9-2X Aero (2.0L Turbo) runs in HS (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: '9-2X Aero (2.0L Turbo) (2005-06)' = HS. ST: '9-2X (2005-06)' = 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.