Wegner Auto Company Serves Rapid City

Welcome to Wegner Auto Company of Pierre! We serve Rapid City Buick GMC drivers with new and used sales, service and financing. We are the oldest dealer in the U.S. under the same family name, and have been serving South Dakota for over 100 years.

Pierre, South Dakota Buick GMC dealer

As South Dakota's oldest auto dealer, Wegner is proud to offer quality Buick and GMC vehicles at our Pierre location. We carry Buick luxury vehicles like the Enclave SUV and Regal sedan. We also stock popular GMC models like the GMC Acadia, Sierra pickup and Yukon XL. And don't forget about our wide selection of pre-owned vehicles. View our complete inventory and contact us to schedule a test drive.

Pierre Buick GMC Service

Wegner Auto Co has the experienced and Certified Technicians to keep your car performing at its best. Need an oil change or brakes? Schedule a service appointment online! Our service center can perform a variety of maintenance and repairs, and we're open on Saturday so you don't have to miss work to service your vehicle!

Financing your next Buick or GMC

We invite you to take a look at factory incentives as you browse for a new car, truck or SUV. Calculate payments, request a quick quote, and even pre-qualify for financing. When you're ready to take a closer look at any of our vehicles, contact us or view our hours and directions to meet us here in Pierre!

Come visit us at 330 E. Sioux Avenue | Pierre, SD 57501