Big Wave Auto

Big Wave Auto is a licensed, bonded, and insured auto dealer located in Sussex, WI with a mission to make car buying transparent, approachable, and enjoyable. Through access to dealer-only auctions and nationwide networks, we handle everything from registration paperwork to vehicle shipping — all while keeping overhead low so the savings go directly to you.

Our Values

Three Core Principles

Cars We'd Buy Ourselves

Every vehicle in our inventory is hand-selected like we're buying it for our own family. Transparent pricing, no gimmicks — just cars we genuinely stand behind and people you can actually trust.

Built Around You, Not the Lot

Most dealerships sell what they have. We find what you want. Tell us your must-haves and we'll search our nationwide network to track down your exact car — right make, model, color, and features. No settling.

We're in Your Corner

From your first question to long after you drive away, we're here. We listen, we guide, and we make sure the whole experience feels less like a transaction and more like buying a car with a friend who really knows cars.

Our Reach

Small Dealership. Rapidly Growing.