WhatClassAmIAutocross Classing Guide

SCCA® Solo classing — unofficial guide

What autocross class is a Lexus IS 500 F Sport Performance?

FSStreet

A stock 2022–2025 Lexus IS 500 F Sport Performance runs in FS (Street) under the 2026 SCCA Solo Rules.

From the 2026 rulebook (Appendix A)

Street: 'IS 500 F Sport Performance (2022-25)' = FS.

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.