WhatClassAmIAutocross Classing Guide

SCCA® Solo classing — unofficial guide

What autocross class is a Toyota MR2 Supercharged (AW11)?

ESStreetCSTStreet Touring

A stock 1988–1989 Toyota MR2 Supercharged (AW11) runs in ES (Street) under the 2026 SCCA Solo Rules. Built to Street Touring allowances (within CST tire and wheel limits), it runs CST.

From the 2026 rulebook (Appendix A)

Street: 'MR2 Supercharged' = ES. ST: 'MR2 Supercharged (1988-89)' = CST.

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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.