671 Used GMC Sierra for Sale Near Great Falls, MT

There are 671 used GMC Sierra listings for sale from 138 dealerships, priced from $5,777 to $96,598.

The median asking price for a used GMC Sierra is $44,379. Listings range from $5,777 to $96,598. The average mileage is 73,331 miles.

The lowest-priced listing is a 2013 GMC Sierra SL 4WD Extended Cab MWB at $5,777 with 185,212 miles in Lewistown, MT.

Used GMC Sierra inventory spans model years 1994 to 2026. The 2021–2025 model years are the most available, with 401 listings.

The GMC Sierra is available in the following trim levels:

• GMC Sierra AT4 4WD Crew Cab Short Box for sale71 listings
• GMC Sierra Denali 4WD Crew Cab Standard Box for sale68 listings
• GMC Sierra SLT 4WD Crew Cab Short Box for sale52 listings
• GMC Sierra AT4 4WD Crew Cab Standard Box for sale51 listings
• GMC Sierra SLT 4WD Crew Cab Standard Box for sale45 listings
• GMC Sierra Denali 4WD Crew Cab Short Box for sale44 listings
• GMC Sierra Elevation 4WD Crew Cab Short Box for sale26 listings
• GMC Sierra 4WD Crew Cab Short Box for sale23 listings
• GMC Sierra Elevation 4WD Crew Cab Standard Box for sale21 listings
• GMC Sierra Denali 4WD Crew Cab Standard Box SRW for sale16 listings