Sigma Auto Group

Sigma Auto Group is a used car dealer in Concord focused on helping East Bay drivers find the right vehicle at a fair price. Our team takes the time to understand what you need and works within your budget, so you never feel rushed or pressured into a purchase.

Many of our customers come back to us for their next car, including those looking for a used Tesla, and we're proud of the trust that builds. We're known for honest, transparent dealing, clear explanations at every step, and a smooth, hassle-free buying process from start to finish.

We also work hard to help customers get approved and into the vehicle they want, keeping them updated throughout.

If you're shopping for a used car in Concord or anywhere across the East Bay, visit our lot or stop by to talk with our team.