A majority of the reviews for Billion Auto in Rapid City on Yelp.com, cars.com and Edmunds.com tend to be negative, but there are mixed and positive reviews as well. Many people find the sales staff at this car dealership unprofessional, while others have received good customer service.
Several reviewers complain that their new cars became faulty soon after delivery, but Billion Auto in Rapid City made no effort to help them. One person notes that his car started to make squealing noise a week after he picked it up from the dealership. He took it back to the dealership, and the service staff told him that the noise was normal. In the end, he found out from another repair shop that the car had brake problem. It has a rating of one out of five stars on Cars.com.