WhatClassAmIAutocross Classing Guide

SCCA® Solo classing — unofficial guide

What autocross class is a Mazda MX-5 Miata (NC)?

CSStreetCSTStreet TouringCSPStreet PreparedDPPrepared

A stock 2006–2015 Mazda MX-5 Miata (NC) runs in CS (Street) under the 2026 SCCA Solo Rules. Built to Street Touring allowances (within CST tire and wheel limits), it runs CST.

Class by preparation level

Stock (Street)CS
Street TouringCST
Street PreparedCSP
Street ModifiedSSM
PreparedDP

A “—” means the car isn’t listed at that level; a build lands in the least-prepared category its modifications allow.

Also eligible for

XA/XBXtreme StreetXPX Prepared (open)

From the 2026 rulebook (Appendix A)

Street: 'MX-5 Miata (NC chassis; non-MS-R 2007) (2006-15)' = CS; the 2007 MS-R = BS. ST: 'MX-5 Miata (2006-15)' = CST. SP: 'MX-5 (2006-15)' = CSP; DSP 'MX-5 (2006-2015) Limited Prep' also listed. P: 'MX-5 Miata (2006-15)' = DP.

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. Spot an error? Report it on GitHub.