544 New GMC Sierra for Sale Near Spearfish, SD

There are 544 new GMC Sierra listings for sale from 22 dealerships, priced from $40,195 to $109,864.

The median asking price for a new GMC Sierra is $72,635. Listings range from $40,195 to $109,864. The average mileage is 212 miles.

The lowest-priced listing is a 2026 GMC Sierra Pro 4WD Regular Cab Standard Box at $40,195 in Casper, WY.

New GMC Sierra inventory spans model years 2025 to 2026. The 2025–2029 model years are the most available, with 544 listings.

The GMC Sierra is available in the following trim levels:

• GMC Sierra SLT 4WD Crew Cab Short Box for sale80 listings
• GMC Sierra Denali 4WD Crew Cab Short Box for sale58 listings
• GMC Sierra AT4 4WD Crew Cab Short Box for sale48 listings
• GMC Sierra Elevation 4WD Crew Cab Standard Box for sale39 listings
• GMC Sierra SLT 4WD Crew Cab Standard Box for sale34 listings
• GMC Sierra AT4 4WD Crew Cab Standard Box for sale33 listings
• GMC Sierra Denali 4WD Crew Cab Standard Box for sale33 listings
• GMC Sierra AT4X 4WD Crew Cab Short Box for sale23 listings
• GMC Sierra AT4X 4WD Crew Cab Standard Box for sale16 listings
• GMC Sierra Denali Ultimate 4WD Crew Cab Standard Box for sale14 listings