The legendary Texas-sized car show and live music fest - April 17 & 18th, 2026 in Austin, TX! It's a huge gathering of vintage hot rods & custom cars driven to Austin from all over the country. The weekend features an incredible outdoor car show and swap meet along with amazing live music onstage, unique artists & vendors, great food & drinks and much more for the whole family! complete details at lonestarroundup.com