WhatClassAmIAutocross Classing Guide

SCCA® Solo classing — unofficial guide

What autocross class is a Ford Fiesta ST?

HSStreetGSTStreet TouringESPStreet Prepared

A stock 2014–2019 Ford Fiesta ST 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: 'Fiesta ST (2014-19)' = HS. ST: 'Fiesta ST' = GST. SP: 'Fiesta ST (2014-18)' = ESP.

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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.