WhatClassAmIAutocross Classing Guide

SCCA® Solo classing — unofficial guide

What autocross class is a Ford Focus RS (2018)?

BSStreetBSTStreet Touring

A stock 2018–2018 Ford Focus RS (2018) runs in BS (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: 'Focus RS (2018)' = BS; 2016-17 = DS. ST: 'Focus RS (2016-18)' = BST.

Check this car with your mods →Browse all cars

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.