WhatClassAmIAutocross Classing Guide

SCCA® Solo classing — unofficial guide

What autocross class is a Datsun 240Z?

ESStreetCSTStreet Touring

A stock 1970–1973 Datsun 240Z 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: '240Z' = ES (years approximate; listing has none). ST: '240Z' = 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.