1,712 New GMC Sierra for Sale Near Henderson, CO

There are 1,712 new GMC Sierra listings for sale from 43 dealerships, priced from $34,860 to $139,549.

The median asking price for a new GMC Sierra is $70,185. Listings range from $34,860 to $139,549. The average mileage is 110 miles.

The lowest-priced listing is a 2025 GMC Sierra 4WD Regular Cab Long Box Pro at $34,860 with 5,091 miles in Castle Rock, CO.

New GMC Sierra inventory spans model years 2024 to 2026. The 2024–2028 model years are the most available, with 1,712 listings.

The GMC Sierra is available in the following trim levels:

• GMC Sierra 4WD Crew Cab Standard Box Elevation for sale227 listings
• GMC Sierra 4WD Crew Cab Short Box SLT for sale133 listings
• GMC Sierra 4WD Crew Cab Standard Box AT4 for sale132 listings
• GMC Sierra 4WD Crew Cab Standard Box Denali for sale130 listings
• GMC Sierra 4WD Crew Cab Short Box Denali for sale104 listings
• GMC Sierra 4WD Crew Cab Short Box AT4 for sale81 listings
• GMC Sierra 4WD Crew Cab Standard Box Pro for sale77 listings
• GMC Sierra 4WD Crew Cab Short Box AT4X for sale72 listings
• GMC Sierra 4WD Crew Cab Standard Bx Denali Ultimate for sale68 listings
• GMC Sierra 4WD Crew Cab Long Box Pro for sale61 listings