WhatClassAmIAutocross Classing Guide

SCCA® Solo classing — unofficial guide

What autocross class is a BMW M3/M4 (G80/G82, MP Sports Suspension)?

SSStreet

A stock 2023–2026 BMW M3/M4 (G80/G82, MP Sports Suspension) runs in SS (Street) under the 2026 SCCA Solo Rules.

From the 2026 rulebook (Appendix A)

Street: 'M3 (with MP Sports Suspension) (G80) (2023-2026)' / 'M4 (with MP Sports Suspension) (G82) (excl. CSL, CS) (2023-2026)' = SS. Without MP suspension = AS.

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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.