2021 GMC Sierra 3500HD Denali
$1,805 less than this car
- 166,000 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Ratts Auto Sales · Collinsville, OK · 288 mi away
2021 GMC Sierra 3500HD Denali
120,360 miles · truck

Make GMC Model year 2021 Model Sierra HD Engine 6.6L Duramax Turbo Diesel V8 Engine code L5P Series 3500HD It’s deleted does not use DEF ?Trim Denali Cab Crew Cab, 4 doors Drivetrain 4WD (4x4) Transmission Automatic, Allison 10-speed Fuel Diesel One owner clean title Located Sublette B&R Auto NO FINANCING
Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.
Similar listings we found nationwide are shown below. Fewer than 3 other Denali SB listings are live nationwide, so Denali-family trims are compared. New dealers are added every day.
Price tracked by AutosXchange since Nov 10, 2026. No price change at this dealership since Nov 10 ($46,800).
AutosXchange Intel Hub: Price changes for this model in Kansas · This model in the Intel Hub · Market movers in Kansas
Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 12); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.
Same 2021 Sierra 3500HD Denali trims · used · any miles · nationwide. Showing the 12 nearest of 13 comparable cars for sale, nearest first.
$1,805 less than this car
Ratts Auto Sales · Collinsville, OK · 288 mi away
$345 less than this car
David McDavid Ford · Fort Worth, TX · 379 mi away
$4,900 less than this car
Mid Mo Diesel · Fulton, MO · 489 mi away
$13,900 less than this car
Hallum Motors · Marion, AR · 614 mi away
$3,195 more than this car
American Auto · Rayville, LA · 622 mi away
$6,282 more than this car
Hirning Buick GMC · Pocatello, ID · 711 mi away
$1,195 more than this car
Best Deal Auto Sales - Import · Fort Wayne, IN · 871 mi away
$1,698 more than this car
Tri-City Motors · Somerset, KY · 900 mi away
$8,724 more than this car
Priority One Auto Sales · Stokesdale, NC · 1,154 mi away
$9,199 more than this car
Imports and Classics · Bellingham, WA · 1,331 mi away
$3,995 more than this car
Highline Motor Cars · Southampton, NJ · 1,414 mi away
$3,394 more than this car
AUTO CONNECTION LLC · Springfield, VT · 1,537 mi away
2021 GMC Sierra 3500HD166,000 miles · Ratts Auto Sales · Collinsville, OK · 288 mi away$44,995$1,805 less than this car
Used 2021 GMC Sierra 3500 HD Denali Truck Crew Cab V-8 cyl134,905 miles · David McDavid Ford · Fort Worth, TX · 379 mi away$46,455$345 less than this car
2021 GMC Sierra 3500HD Denali Crew Cab 4WD132,669 miles · Mid Mo Diesel · Fulton, MO · 489 mi away$41,900$4,900 less than this car
2021 GMC Sierra 3500HD Denali Crew Cab 4WD Duramax Dually226,564 miles · Hallum Motors · Marion, AR · 614 mi away$32,900$13,900 less than this car
2021 GMC Sierra 3500HD Denali Crew Cab 4WD122,609 miles · American Auto · Rayville, LA · 622 mi away$49,995$3,195 more than this car
2021 GMC Sierra 3500 HD Denali Truck Crew Cab Long Box80,543 miles · Hirning Buick GMC · Pocatello, ID · 711 mi away$53,082$6,282 more than this car
2021 GMC Sierra 3500HD Denali Crew Cab Long Box 4WD99,120 miles · Best Deal Auto Sales - Import · Fort Wayne, IN · 871 mi away$47,995$1,195 more than this car
2021 GMC Sierra 3500HD 4WD Crew Cab 172" Denali139,038 miles · Tri-City Motors · Somerset, KY · 900 mi away$48,498$1,698 more than this car
2021 GMC Sierra 3500HD99,369 miles · Priority One Auto Sales · Stokesdale, NC · 1,154 mi away$55,524$8,724 more than this car
2021 GMC Sierra 3500HD Denali Crew Cab 4WD33,421 miles · Imports and Classics · Bellingham, WA · 1,331 mi away$55,999$9,199 more than this car
2021 GMC Sierra 3500HD 4WD Crew Cab 172" Denali91,734 miles · Highline Motor Cars · Southampton, NJ · 1,414 mi away$50,795$3,995 more than this car
2021 GMC Sierra 3500HD104,156 miles · AUTO CONNECTION LLC · Springfield, VT · 1,537 mi away$50,194$3,394 more than this carAll years and trims. Nearest first.
B&R Auto Sales · Sublette, KS · 0 mi away
B&R Auto Sales · Sublette, KS · 0 mi away