WhatClassAmIAutocross Classing Guide

SCCA® Solo classing — unofficial guide

What autocross class is a Infiniti G35 Coupe?

DSStreetBSTStreet Touring

A stock 2003–2007 Infiniti G35 Coupe runs in DS (Street) under the 2026 SCCA Solo Rules. Built to Street Touring allowances (within BST tire and wheel limits), it runs BST.

From the 2026 rulebook (Appendix A)

Street: 'G35 Coupe (2003-07)' = DS. ST: 'G35 Coupe' = BST.

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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.