Black
2021 GMC Sierra 3500HD
$57,499est. $990/mo
- 10,703 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
EASTERN AUTO TRADING · Flanders, NJ
2021 GMC Sierra
Shop 1,680 2021 GMC Sierra listings from 1,227 dealers nationwide. Asking prices from $13,500, median $34,998. Prices by year, FAQ and price history.
1,680 active listings. Asking prices from $13,500 to $79,500. These are asking prices, not sold-price averages. 2021 GMC Sierra prices, price changes & market data
Available 2021 GMC Sierra vehicles
Dark Sky Metallic
2021 GMC Sierra 1500 AT4
$32,412est. $558/mo
- 95,098 mi
- 4WD
- Automatic
- Gasoline
- Truck
Napleton's Schaumburg Buick GMC · Schaumburg, IL
Satin Steel Metallic
2021 GMC Sierra 1500 Elevation
$38,990est. $671/mo
- 42,366 mi
- 4WD
- Automatic
- Diesel
- Truck
Power Buick GMC of Salem · Salem, OR
Pacific Blue
2021 GMC Sierra 1500 SLE
$29,999est. $517/mo
- 90,358 mi
- 4WD
- Automatic
- Gasoline
- Truck
Shopi-Car · Canton, MA
Stock photo
1 photosOnyx Black
2021 GMC Sierra 1500 AT4 Crew Cab
$27,995est. $482/mo
- 157,124 mi
- 4WD
- Automatic
- Gasoline
- Truck
Team One Chevrolet · Charlotte, MI
WHITE
2021 GMC Sierra 1500 4WD Double Cab 147" Elevation w/3SB
$20,995est. $361/mo
- 134,028 mi
- 4WD
- Automatic
- Truck
Wheels & Deals · Pomeroy, OH
Cardinal Red
2021 GMC Sierra 1500 SLT
$34,000est. $585/mo
- 93,370 mi
- 4WD
- Automatic
- Gasoline
- Truck
Andy Mohr Chevrolet · Plainfield, IN
Ebony Twilight Metallic
2021 GMC Sierra 1500 SLE
$32,465est. $559/mo
- 90,048 mi
- 4WD
- Automatic
- Gasoline
- Truck
Gerry Lane Buick GMC · Baton Rouge, LA
Ebony Twilight Metallic
2021 GMC Sierra 2500HD Denali Truck Duramax V8 Turbodiesel
$49,895est. $859/mo
- 104,000 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Long-Lewis Ford of the River Region · Prattville, AL
White
2021 GMC Sierra 1500 AT4
$41,995est. $723/mo
- 23,631 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Triangle Auto Sales · Elgin, IL
Burgundy
2021 GMC Sierra 1500 Elevation
$19,900est. $343/mo
- 217,956 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Asap Motors Inc · Fort Walton Beach, FL
Blue
2021 GMC Sierra 1500
$25,975est. $447/mo
- 75,080 mi
- RWD
- 8-Speed Automatic
- Gasoline
- Truck
AUTOPLUS · Columbus, OH
Onyx Black
2021 GMC Sierra SLT Crew Cab
$38,100est. $656/mo
- 94,182 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Bo Beuckman Ford · Ellisville, MO
Summit White
2021 GMC Sierra 1500 Elevation
$33,914est. $584/mo
- 64,551 mi
- 4WD
- Automatic
- Diesel
- Car
Eastbay Motorcars · Pleasanton, CA
Satin Steel Metallic
2021 GMC Sierra 1500 SLT
$28,632est. $493/mo
- 101,974 mi
- 8-Speed Automatic
- Gasoline
- Truck
Grubbs INFINITI of San Antonio · San Antonio, TX
RED
2021 GMC Sierra 1500 Denali
$43,900est. $756/mo
- 78,650 mi
- 4WD
- Automatic
- Truck
Jacob's Auto Sales Inc. · San Antonio, TX
White Frost Tricoat
2021 GMC Sierra 2500 HD Denali 4x4
$62,488est. $1,076/mo
- 19,013 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Johnson Auto Plaza · Brighton, CO
Onyx Black
2021 GMC Sierra 3500HD Denali
$51,995est. $895/mo
- 99,220 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Mac Haik Chrysler Dodge Jeep Ram Flowood · Flowood, MS
Summit White
2021 GMC Sierra 1500 SLT
$27,935est. $481/mo
- 103,202 mi
- 4WD
- Automatic
- Diesel
- Truck
Royal Buick GMC · Baton Rouge, LA
Black
2021 GMC Sierra 2500HD Denali Crew Cab 4WD
$46,500est. $801/mo
- 99,385 mi
- 4WD
- Automatic
- Diesel
- Truck
Selective Imports Auto Sales · Woodstock, GA
Hunter Metallic
2021 GMC Sierra 1500 Denali Truck
$36,940est. $636/mo
- 62,291 mi
- 4WD
- Automatic
- Gasoline
- Truck
Tom Wood Ford · Indianapolis, IN
Onyx Black
2021 GMC Sierra Denali
$57,889est. $997/mo
- 73,841 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Town Center Nissan · Kennesaw, GA
White
2021 GMC Sierra 2500 SLE Truck
$36,998est. $637/mo
- 86,036 mi
- Automatic
- Gasoline
- Truck
WIDRICK AUTO SALES · Watertown, NY
2021 GMC Sierra 1500 2WD Crew Cab Short Box SLE
$23,989est. $413/mo
- 111,819 mi
- RWD
- 8-Speed Automatic
- Truck
C R U · Houston, TX
Silver
2021 GMC Sierra 1500 Elevation
$36,999est. $637/mo
- 38,658 mi
- 10-Speed Automatic
- Diesel
- Truck
Cook Subaru · Steamboat Springs, CO
Carbon Black Metallic
2021 GMC Sierra 3500 HD Denali
$52,487est. $904/mo
- 102,410 mi
- 4WD
- Automatic
- Diesel
- Truck
Dan Cummins Chevrolet of Georgetown · Georgetown, KY
Cardinal Red
2021 GMC Sierra 1500 AT4
$37,196est. $640/mo
- 83,417 mi
- 4WD
- Automatic
- Gasoline
- Truck
Davis-Moore Chevrolet · Wichita, KS
Onyx Black
2021 GMC Sierra 1500 AT4
$38,674est. $666/mo
- 71,917 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Orleans Ford · Medina, NY
Stock photo
15 photosCARFAXSummit White
2021 GMC Sierra 1500 Elevation
$27,645est. $476/mo
- 103,768 mi
- RWD
- Automatic
- Diesel
- Truck
Sheehan Buick GMC · Lighthouse Point, FL
Onyx Black
2021 GMC Sierra 1500 AT4
$30,757est. $530/mo
- 98,913 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Sunny Mitsubishi - Jacksonville · Jacksonville, FL
Quicksilver
2021 GMC Sierra 1500 SLT
$34,874est. $600/mo
- 92,216 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Vaughn Ford Oakdale · Oakdale, LA
White Frost Tricoat
2021 GMC Sierra 1500 Denali
$45,610est. $785/mo
- 32,799 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
A Crivelli Buick GMC · RENO, PA
Silver
2021 GMC Sierra 1500 SLT Truck
$32,989est. $568/mo
- 83,647 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
A M Maus & Son Inc · Kimball, MN
White
2021 GMC Sierra 2500
$60,989est. $1,050/mo
- 41,463 mi
- 4WD
- Automatic
- Diesel
- Truck
AutoNation Hyundai Mall of Georgia · Buford, GA
White
2021 GMC Sierra Denali Crew Cab 4WD
$65,995est. $1,136/mo
- 3,896 mi
- 4WD
- Automatic
- Truck
Bob's Auto Sales · Biddeford, ME
Summit White
2021 GMC Sierra 2500HD Denali
$56,789est. $978/mo
- 58,311 mi
- 10-Speed Automatic
- Diesel
- Truck
Brown & Wood Mazda · Greenville, NC
Off White
2021 GMC Sierra 2500HD Denali
$59,888est. $1,031/mo
- 83,006 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Euro Auto Sale · Santa Clara, CA
Onyx Black
2021 GMC Sierra 1500 Denali
$36,091est. $621/mo
- 94,180 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Harper Jeep Ram Chrysler Dodge · Alcoa, TN
Satin Steel Metallic
2021 GMC Sierra 1500 AT4
$35,274est. $607/mo
- 81,625 mi
- 4WD
- Automatic
- Gasoline
- Truck
Taylor Grubaugh Chevrolet GMC of Neosho · NEOSHO, MO
Satin Steel Metallic
2021 GMC Sierra 1500 Denali
$39,599est. $682/mo
- 77,286 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Timberline Auto Center · Libby, MT
White
2021 GMC Sierra 1500 Elevation
$22,998est. $396/mo
- 131,612 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Trade Zone Auto Sales · Hampton, NJ
White Frost Tricoat
2021 GMC Sierra 1500 Denali
$27,500est. $474/mo
- 123,914 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Winamac Chrysler Dodge Jeep Ram · Winamac, IN
White Frost Tricoat
2021 GMC Sierra 1500 SLT
$33,958est. $585/mo
- 74,640 mi
- 8-Speed Automatic
- Gasoline
- Truck
Acadiana Dodge Chrysler Jeep Ram · Lafayette, LA
SATIN STEEL METALLIC
2021 GMC Sierra 1500 AT4 (LIFTED SEMA SHOW STOPPER) Truck Crew Cab
$65,000est. $1,119/mo
- 18,918 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Brooks Auto Center · Ontario, CA
Summit White
2021 GMC Sierra 1500 2WD Crew Cab Short Box
$24,500est. $422/mo
- 78,806 mi
- Automatic
- Gasoline
- Truck
Chiefland Chrysler Dodge Jeep Ram FIAT · Chiefland, FL
Satin Steel
2021 GMC Sierra 1500 Denali
$30,299est. $522/mo
- 101,575 mi
- 4WD
- Automatic
- Gasoline
- Car
Corwin Toyota Colorado Springs · Colorado Springs, CO
Blue
2021 GMC Sierra 3500 HD SLT Truck Crew Cab V8,
$61,393est. $1,057/mo
- 51,986 mi
- 4WD
- Automatic
- Diesel
- Truck
Gallagher Ford · Elko, NV
Ebony Twilight Metallic
2021 GMC Sierra 1500 SLT
$35,500est. $611/mo
- 69,365 mi
- 4WD
- Automatic
- Gasoline
- Truck
McLarty Daniel Chevrolet · Springdale, AR
:max_bytes(500000):quality(100):fill(blur):sharpen(0.7,0.5,true):format(jpg)/104144/12637766/373081790873128.jpg)
Gray
2021 GMC Sierra 1500 4WD Crew Cab 147" SLT
$33,995est. $585/mo
- 133,208 mi
- 4WD
- Automatic
- Gasoline
- Truck
Melendez Auto Sales Inc. · El Paso, TX
Cardinal Red
2021 GMC Sierra 2500 HD SLE
$31,099est. $535/mo
- 111,317 mi
- 4WD
- Automatic
- Gasoline
- Truck
Morrie's Bellevue Chevrolet · BELLEVUE, NE
Cayenne Red Tintcoat
2021 GMC Sierra 1500 Denali
$35,775est. $616/mo
- 70,223 mi
- RWD
- Automatic
- Diesel
- Truck
Roger Dean Chevrolet Cape Coral · Cape Coral, FL
Onyx BLACK
2021 GMC Sierra 1500 AT4
$28,995est. $499/mo
- 172,519 mi
- 4WD
- Automatic
- Truck
Cargasm · House Springs, MO
Red Mahogany Metallic
2021 GMC Sierra 1500 4WD Crew Cab Short Box AT4
$42,303est. $728/mo
- 45,164 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Lebanon Auto Sales · Lebanon, PA
Gray
2021 GMC Sierra 1500 Denali
$32,850est. $566/mo
- 58,790 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Lexington Auto LLC · Lincoln, NE
Summit White
2021 GMC Sierra 1500 SLT
$36,479est. $628/mo
- 67,928 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Mullens CDJR · Checotah, OK
Onyx Black
2021 GMC Sierra 2500HD Denali Truck
$50,794est. $875/mo
- 99,339 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
O'Steen Volvo Cars Athens · Athens, GA
Pacific Blue Metallic
2021 GMC Sierra 3500 HD Denali
$45,977est. $792/mo
- 108,493 mi
- 4WD
- Automatic
- Diesel
- Truck
Sandman Brothers GMC · SHELBYVILLE, IN
Black
2021 GMC Sierra 1500
$39,500est. $680/mo
- 71,694 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
SUMMIT TRUCKS · Centerville, UT
:max_bytes(500000):quality(100):fill(blur):sharpen(0.7,0.5,true):format(jpg)/105272/12756880/12756880_0.jpg)
WHITE
2021 GMC SIERRA 2500 HEAVY DUTY
$27,999est. $482/mo
- 163,430 mi
- 4WheelDriveConfiguration
- Automatic
- Gasoline
- Truck
Texas Truck World LLC · San Angelo, TX
Onyx Black
2021 GMC Sierra 1500 AT4
$30,999est. $534/mo
- 131,510 mi
- 4WD
- Automatic
- Diesel
- Truck
Wakefield GMC · Spartanburg, SC
Gray
2021 GMC Sierra 1500 AT4
$37,998est. $654/mo
- 93,501 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Brown Boys · Yakima, WA
Quicksilver
2021 GMC Sierra 1500 Elevation Truck Crew Cab
$37,236est. $641/mo
- 57,426 mi
- 4WD
- Automatic
- Gasoline
- Truck
Colby Dodge Chrysler Jeep · Colby, KS
Steel Metallic
2021 GMC Sierra 1500 SLT Premium Plus - 4WD
$31,829est. $548/mo
- 102,055 mi
- 10-Speed Automatic
- Diesel
- Truck
Crain Kia of Bentonville · Bentonville, AR
Grey
2021 GMC Sierra 1500 SLT
$32,995est. $568/mo
- 106,901 mi
- 4WD
- Automatic
- Diesel
- Truck
Custom Performance Auto Sales · Americus, GA
Summit White
2021 GMC Sierra 2500 HD SLT
$51,090est. $880/mo
- 59,723 mi
- 4WD
- Automatic
- Diesel
- Car
Dolan Dodge Ram FIAT · Reno, NV
Brownstone Metallic
2021 GMC Sierra 1500 SLT
$45,603est. $785/mo
- 52,667 mi
- 4WD
- Automatic
- Gasoline
- Truck
Holzhauer GMC · NASHVILLE, IL
Ebony Twilight
2021 GMC Sierra 1500 Elevation w/3SB Truck Double Cab 4x4
$30,410est. $524/mo
- 98,270 mi
- 4WD
- Automatic
- Gasoline
- Truck
Kunes Toyota of Galesburg · Galesburg, IL
Quicksilver Metallic
2021 GMC Sierra 1500 SLT
$27,681est. $477/mo
- 147,179 mi
- 4WD
- Automatic
- Gasoline
- Truck
Lithia Ford of Fresno · Fresno, CA
Dark Sky Metallic
2021 GMC Sierra 1500 Denali
$36,594est. $630/mo
- 107,799 mi
- 4WD
- Automatic
- Gasoline
- Truck
West Chevrolet · Alcoa, TN
Summit White
2021 GMC Sierra 1500 SLT
$34,917est. $601/mo
- 81,518 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Bill Summers Nissan · North Platte, NE
Onyx Black
2021 GMC Sierra 1500 SLT
$33,310est. $574/mo
- 87,215 mi
- 4WD
- Automatic
- Gasoline
- Truck
Cokato Motor Sales Inc · Cokato, MN