HIGH PERFORMANCE
MUSTANGS AND sHELBY’s
We buy, sell, and restore rare & limited production muscle cars
About Us
Founded in the fall of 1999, Signature Auto / Bosscars.com is celebrating 25 years of excellence as a premier destination for rare American muscle. Specializing in iconic big block Mustangs, Shelbys, and other unique, high-performance classics, we’ve built a reputation for delivering extraordinary service and quality. Our team lives and breathes cars, treating every restoration, sale, and interaction as a chance to share our passion for automotive history.
From meticulously restored showpieces to rare project finds, we’re committed to connecting enthusiasts with the cars that fuel their dreams. If you’re looking for something unique, explore our site—whether to buy, sell, restore, or discover your next project, Signature Auto is here to make it happen.
What We’ve Got
Current Inventory
LEARN FROM THE EXPERTS
Video Library
Embark on a journey with Rick Parker, our nationally acclaimed Mustang enthusiast and an award-winning Big Block restoration expert. In these must-watch how-to videos, Rick shares his unparalleled expertise, garnered from 45 years of dedicated passion for all things Mustang.