About Us

Welcome to Sinner Auto. We appreciate you for taking your time to visit us online.

Whether you're looking to buy or just looking, we've built a new web site that illustrates why our vehicles are ideal for your life, everyday.

Here at Sinner Auto, we have devoted ourselves to helping and serving our customers to the best of our ability. It is our honor to have you come in and drive the car of your dreams home. Our goal is to offer the most modern and convenient access for up-to-date and accurate information, which our customers have come to expect and rely on for their entire auto needs. Please call or email us with all of your automotive needs. We look forward to meeting and serving you.

If you'd like more information about Internet Sales, Certified Used Sales, Warranties, Service & Parts Specials or would just like for us to keep in touch, please feel free to call or email us.

We'd like to thank you, our customers, for your continued patronage. We are dedicated to satisfying our customers -- from the day that you buy a car and for as long as you own it.

If you would like more information about our sales and financing options, or you would just like for us to keep in touch, please feel free to call us at 605-947-4121 or email us at: sales@sinnerauto.com


Top 9 Reasons To Buy At Sinner Auto
1.                 Family owned business for over 50 years with many satisfied customers and many more yet to come.
2.                Almost every vehicle we sell is backed by a warranty. 
3.               Many quality hand picked vehicles to choose from! And if we don’t have what you are looking for, we will get it!
4.        We specialize in "Special Orders"
5.               Excellent service.
6.               Knowledgeable Staff.
7.              Financing Available.
8.       Became a SCORE 2016 Small Business Champion.
9.       All of our employees are very involved with the community and volunteer groups.


Telephone No.:
Contact Number:

Email Address:

Dealer Address

636 E. Hwy 12
Waubay, SD 57273

Dealership Hours:
Monday to Friday
from 8:00 AM to 5:30 PM
from 8:00 AM to 12:00 PM