This page covers franchised GMC dealers in South Dakota. Some operate as part of multi-franchise stores that carry additional brands under the same roof. They are included here because they hold an active GMC franchise. GMC dealers in South Dakota average 4.62 stars across 4 stores and 3,700 reviews. That 4.62-star average is 0.10 stars above the national GMC average (4.52) and 0.09 stars above the overall South Dakota dealer average across all brands (4.53). Of the 4 GMC stores in South Dakota, 4 rate 4.5 stars or higher.
| Dealer | City | Rating | Reviews |
|---|---|---|---|
| Billion Auto - Buick GMC in Sioux Falls | Sioux Falls | 4.50 | 2,006 |
| Northtown Automotive Buick GMC | Yankton | 4.60 | 665 |
| Billion Auto - Southtown (Chevrolet Buick) | Worthing | 4.70 | 578 |
| Jerry's Chevrolet GMC - Service | Vermillion | 4.70 | 451 |
The top-rated GMC dealer in South Dakota is Billion Auto - Buick GMC in Sioux Falls at 4.50 stars on 2,006 reviews.
GMC dealers in South Dakota have logged 3,700 total Google reviews across 4 stores, an average of 925 reviews per store.
GMC dealers in other states: GMC in North Dakota | GMC in West Virginia | GMC in Idaho | GMC in Montana | GMC in Nebraska | GMC in New Jersey | GMC in Illinois | GMC in Maryland
Other brands in South Dakota: Honda in South Dakota | Subaru in South Dakota | Ford in South Dakota | Chevrolet in South Dakota | Hyundai in South Dakota | Jeep in South Dakota | Dodge in South Dakota | Nissan in South Dakota
GMC overview | South Dakota overview
Source: DGActual Dealer Reviews Index, public Google ratings for 17,051 franchised dealers. Data as of 2026-10-10. Author: Daniel Govaer. Research support: Perplexity. Reuse with attribution and written consent, terms at dgactual.com/terms.html. See data.dgactual.com and reviews.dgactual.com. Open the live interactive scoreboard.