1,357 New GMC Sierra for Sale Near Boise, ID

There are 1,357 new GMC Sierra listings for sale from 28 dealerships, priced from $36,879 to $139,449.

The median asking price for a new GMC Sierra is $71,304. Listings range from $36,879 to $139,449. The average mileage is 93 miles.

The lowest-priced listing is a 2026 GMC Sierra Pro 4WD Regular Cab Standard Box at $36,879 with 4 miles in Fruitland, ID.

New GMC Sierra inventory spans model years 2025 to 2026. The 2025–2029 model years are the most available, with 1,357 listings.

The GMC Sierra is available in the following trim levels:

• GMC Sierra AT4 4WD Crew Cab Standard Box for sale175 listings
• GMC Sierra Elevation 4WD Crew Cab Standard Box for sale153 listings
• GMC Sierra SLT 4WD Crew Cab Short Box for sale134 listings
• GMC Sierra Denali 4WD Crew Cab Short Box for sale120 listings
• GMC Sierra AT4X 4WD Crew Cab Standard Box for sale83 listings
• GMC Sierra AT4X 4WD Crew Cab Short Box for sale76 listings
• GMC Sierra SLT 4WD Crew Cab Standard Box for sale70 listings
• GMC Sierra Denali 4WD Crew Cab Standard Box for sale57 listings
• GMC Sierra Denali Ultimate 4WD Crew Cab Standard Box for sale54 listings
• GMC Sierra Denali Ultimate 4WD Crew Cab Long Box for sale49 listings