SCCA® Solo classing — unofficial guide
What autocross class is a TVR 4-cyl & inline-6?
ESStreet
A stock 1958–1977 TVR 4-cyl & inline-6 runs in ES (Street) under the 2026 SCCA Solo Rules.
From the 2026 rulebook (Appendix A)
Street: '4-cyl' / 'inline-6' = ES (years approximate); TVR 8-cyl & V6 = BS.
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.