Stock photo
1 photosOnyx Black
2021 GMC Sierra 1500 SLT
$33,814est. $582/mo
- 89,056 mi
- 4WD
- Automatic
- Diesel
- Truck
John Tapper Chevy GMC · PAW PAW, MI
2021 GMC Sierra
Shop 1,674 2021 GMC Sierra listings from 1,225 dealers nationwide. Asking prices from $13,500, median $34,995. Prices by year, FAQ and price history.
1,674 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
Stock photo
1 photosCARFAXGray Gray
2021 GMC Sierra 1500 AT4 4x4
$31,985est. $551/mo
- 120,640 mi
- 4WD
- Automatic
- Gasoline
- Truck
Lithia Toyota of Missoula · Missoula, MT
Great deal
42 photosCARFAXCardinal Red
2021 GMC Sierra 1500 SLT
$30,263est. $521/mo
- 121,072 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Love Honda · Homosassa, FL
Pacific Blue
2021 GMC Sierra 1500 SLT
$41,825est. $720/mo
- 82,555 mi
- 4WD
- Automatic
- Gasoline
- Truck
Newberry Motors · Newberry, MI
New listing
44 photosPacific Blue Meta
2021 GMC Sierra 1500 Truck Crew Cab
$30,375est. $523/mo
- 82,879 mi
- 4WD
- Gasoline
- Truck
Northtowne Mazda · Kansas City, MO
Black
2021 GMC Sierra 1500 Denali Crew Cab 4WD
$41,990est. $723/mo
- 90,307 mi
- 4WD
- Automatic
- Truck
Ricks Auto Sales 2 · Alexandria, LA
White
2021 GMC Sierra 1500 Denali
$27,995est. $482/mo
- 122,336 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
RRR AUTO SALES, INC. · Fairhaven, MA
White
2021 GMC Sierra 1500 SLT
$24,299est. $418/mo
- 155,350 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
ANDONI AUTO SALES · Worcester, MA
Pearl White
2021 GMC Sierra 1500 Denali Crew Cab 4WD
$34,950est. $602/mo
- 101,535 mi
- 4WD
- Truck
Andrade Auto Exchange · Liberal, KS
Blue
2021 GMC Sierra 1500 SLE
$21,900est. $377/mo
- 155,383 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Careys Auto Sales · Rutland, VT
White Frost Tricoat
2021 GMC Sierra 1500 SLT
$36,980est. $637/mo
- 76,109 mi
- 4WD
- Automatic
- Gasoline
- Truck
Dahlstrom Motors · Oslo, MN
Onyx Black
2021 GMC Sierra 1500 Crew Cab AT4 Pickup 4D 5 3/4 ft
$37,999est. $654/mo
- 83,125 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Harvest Auto Family · Wahoo, NE
Black
2021 GMC Sierra 1500
$29,500est. $508/mo
- 103,548 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Luxury Motors Inc. · Crestwood, IL
Onyx Black
2021 GMC Sierra 1500 Denali
$29,500est. $508/mo
- 136,124 mi
- 4WD
- Automatic
- Gasoline
- Truck
McCarthy Chevrolet Lee's Summit · Lees Summit, MO
BLACK
2021 GMC Sierra 3500HD 4WD Crew Cab 177" WB, 60" CA SLE
$47,944est. $826/mo
- 58,296 mi
- 4WD
- Automatic
- Truck
RFJ Motors LLC · Plaistow, NH
Summit White
2021 GMC Sierra 1500 SLT 4WD
$35,382est. $609/mo
- 50,089 mi
- 4WD
- 10-Speed Automatic
- Truck
AutoSmart of Campbellsville · Campbellsville, KY
Great deal
22 photosCARFAXSummit White
2021 GMC Sierra 1500 SLE
$20,995est. $361/mo
- 133,761 mi
- Automatic
- Gasoline
- Truck
B & B Car Co · Clinton Township, MI
Satin Steel
2021 GMC Sierra 1500 Elevation
$37,898est. $653/mo
- 31,833 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Billion Dodge-Chrysler Jeep · Bozeman, MT
Onyx Black
2021 GMC Sierra 3500 HD Denali Truck Crew Cab V-8 cyl
$46,455est. $800/mo
- 134,905 mi
- 4WD
- Automatic
- Diesel
- Truck
David McDavid Ford · Fort Worth, TX
Fair price
40 photosCARFAXWhite Frost Tricoat
2021 GMC Sierra 3500 HD Denali
$57,799est. $995/mo
- 71,300 mi
- 4WD
- Automatic
- Diesel
- Truck
Performance Buick GMC · Cedar Knolls (Morris), NJ
Fair price
37 photosCARFAXSatin Steel
2021 GMC Sierra 1500 Elevation
$32,997est. $568/mo
- 83,660 mi
- 4WD
- Automatic
- Diesel
- Truck
Rocky Mountain Auto Brokers · COLORADO SPRINGS, CO
Great deal
59 photosCARFAXBlue
2021 GMC SIERRA 1500 DENALI
$36,995est. $637/mo
- 72,026 mi
- 4WD
- Automatic
- Gasoline
- Truck
Taylor Auto Sales, Inc. · Springdale, AR
Fair price
16 photosCARFAXwhite
2021 GMC Sierra 2500HD Base Crew Cab 4WD
$29,900est. $515/mo
- 200,260 mi
- 4WD
- Automatic
- Truck
The Villa Auto Sales · Collinsville, IL
Great deal
51 photosCARFAXBlack
2021 GMC Sierra 1500 AT4
$29,995est. $516/mo
- 108,951 mi
- 4WD
- Automatic
- Truck
Anchor Auto Outlet · Cary, NC
Dark Sky Metallic
2021 GMC Sierra 1500 AT4
$29,088est. $501/mo
- 95,415 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Audi Stuart · Stuart, FL
Black
2021 GMC Sierra 1500
$29,099est. $501/mo
- 89,914 mi
- RWD
- 10-Speed Automatic
- Gasoline
- Truck
King Brothers Auto Sales · Houston, TX
White
2021 GMC Sierra 2500HD Denali
$24,500est. $422/mo
- 400,000 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Momber Sales · Sparta, MI
Great deal
41 photosCARFAXSummit White
2021 GMC Sierra 1500 SLT
$28,775est. $495/mo
- 111,648 mi
- 4WD
- Automatic
- Diesel
- Truck
Suburban Buick GMC of Troy · Troy, MI
Summit White
2021 GMC Sierra 2500HD AT4
$60,109est. $1,035/mo
- 38,438 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Bakersfield Acura · Bakersfield, CA
Onyx Black
2021 GMC Sierra 1500 Elevation Truck EcoTec3 V8
$20,388est. $351/mo
- 189,995 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Baumann Ford Genoa · Genoa, OH
Onyx Black
2021 GMC Sierra 1500 AT4
$38,274est. $659/mo
- 70,354 mi
- Automatic
- Diesel
- Truck
Bluebonnet Ford · New Braunfels, TX
Onyx Black
2021 GMC Sierra 3500 HD
$56,825est. $978/mo
- 44,395 mi
- 4WD
- Automatic
- Diesel
- Truck
Jeff Wyler Florence Buick GMC · FLORENCE, KY
Black
2021 GMC Sierra 1500 AT4
$39,995est. $689/mo
- 42,933 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
OFIER AUTO SALES · Freeport, NY
Stock photo
16 photosCARFAXDark Sky Metallic
2021 GMC Sierra 1500 SLT
$34,999est. $603/mo
- 75,181 mi
- 4WD
- Automatic
- Gasoline
- Truck
Pippen GMC · Carthage, TX
Fair price
31 photosCARFAXWhite
2021 GMC Sierra 1500 Denali
$39,478est. $680/mo
- 54,075 mi
- 4WD
- Automatic
- Gasoline
- Truck
Whisler Chevrolet · Rock Springs, WY
Satin Steel Metallic
2021 GMC Sierra SLT
$34,508est. $594/mo
- 68,022 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Woody Smith Hyundai · Idaho Falls, ID
Onyx Black
2021 GMC Sierra 1500 Elevation Truck Crew Cab V-8 cyl
$40,594est. $699/mo
- 38,181 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Camelback Ford · Phoenix, AZ
Quicksilver Metallic
2021 GMC Sierra 1500 SLT
$32,164est. $554/mo
- 86,289 mi
- RWD
- Automatic
- Gasoline
- Truck
Courtesy Chevrolet Broussard · Broussard, LA
Fair price
32 photosCARFAXRed
2021 GMC Sierra 1500 AT4
$35,770est. $616/mo
- 66,267 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Kia of Attleboro · South Attleboro, MA
Fair price
25 photosCARFAXSatin Steel Metallic
2021 GMC Sierra 1500 AT4
$36,999est. $637/mo
- 82,690 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Machaik Chevrolet · Jackson, MS
White Frost Tricoat
2021 GMC Sierra 1500 Crew Cab Denali Pickup 4D 5 3/4 ft
$31,594est. $544/mo
- 56,203 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Saint Motors · Midvale, UT
Onyx Black
2021 GMC Sierra 2500HD AT4 Truck Duramax V8 Turbodiesel
$53,712est. $925/mo
- 48,647 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
VonDerAu Ford · El Campo, TX
Great deal
20 photosCARFAXBrownstone Metallic
2021 GMC Sierra 1500
$34,280est. $590/mo
- 80,733 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Adventure Subaru · Fayetteville, AR
Fair price
56 photosSatin Steel Metallic
2021 GMC Sierra 1500 Denali
$35,447est. $610/mo
- 77,133 mi
- 4WD
- Automatic
- Gasoline
- Truck
Chevrolet of Wooster · Wooster, OH
Great deal
37 photosCARFAXSummit White
2021 GMC Sierra 1500 SLT
$25,336est. $436/mo
- 131,251 mi
- 8-Speed Automatic
- Truck
Hampton Toyota · Lafayette, LA
Silver
2021 GMC Sierra 1500 Elevation Crew Cab Short Box 4WD
$38,995est. $671/mo
- 51,357 mi
- 4WD
- Diesel
- Truck
Lancaster Motors Inc. · Lancaster, WI
Fair price
19 photosCARFAXBlue
2021 GMC Sierra 1500
$33,900est. $584/mo
- 112,196 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Efkamp Auto Sales · Des Moines, IA
Summit White
2021 GMC Sierra 1500 AT4
$36,706est. $632/mo
- 92,009 mi
- 10-Speed Automatic
- Gasoline
- Truck
Bentley Hyundai · Huntsville, AL
Satin Steel
2021 GMC Sierra 1500 SLT Truck Crew Cab
$42,213est. $727/mo
- 31,432 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Brownfield Ford · Brownfield, TX
Pacific Blue Metallic
2021 GMC Sierra 1500 Elevation
$38,181est. $657/mo
- 39,622 mi
- 10-Speed Automatic
- Diesel
- Truck
Car Xchange · Victorville, CA
Fair price
29 photosCayenne Red Tintcoat
2021 GMC Sierra 3500 HD AT4
$53,389est. $919/mo
- 70,462 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Diepholz Chevrolet Buick GMC · Charleston, IL
Great deal
21 photosWhite
2021 GMC Sierra 2500HD Denali Crew Cab 4WD
$35,995est. $620/mo
- 189,603 mi
- 4WD
- Truck
JMB Auto Sports · Flint, MI
White Frost Tricoat
2021 GMC Sierra 1500 SLT
$32,224est. $555/mo
- 103,733 mi
- 4WD
- Automatic
- Gasoline
- Truck
Premier Chevrolet of Littlefield · LITTLEFIELD, TX
Summit White
2021 GMC Sierra 1500 AT4
$42,488est. $732/mo
- 25,210 mi
- 4WD
- Automatic
- Gasoline
- Truck
Provo GMC Cadillac · PROVO, UT
Fair price
28 photosCARFAX2021 GMC Sierra 3500HD SLE
$39,900est. $687/mo
- 43,144 mi
- 4WD
- 6-Speed Automatic
- Truck
RP Motors · Livingston, MT
Onyx Black
2021 GMC Sierra 1500 AT4
$28,693est. $494/mo
- 106,753 mi
- 4WD
- Automatic
- Gasoline
- Truck
Sutherland Chevrolet · Nicholasville, KY
Fair price
43 photosDark Sky Metallic
2021 GMC Sierra 1500 AT4
$36,781est. $633/mo
- 84,809 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Bobby Rahal Acura · Mechanicsburg, PA
Fair price
9 photosBlack
2021 GMC Sierra 1500 Denali
$34,800est. $599/mo
- 71,000 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Fiala Automotive · Howells, NE
Summit White
2021 GMC Sierra 3500HD Denali
$40,594est. $699/mo
- 109,626 mi
- 4WD
- Automatic
- Diesel
- Truck
Greiner Ford of Casper · Casper, WY
White Frost Tricoat
2021 GMC Sierra 1500 CERTIFIED-DENALI 4x4 DIESEL w/MOON-TOW Truck Crew Cab
$40,995est. $706/mo
- 60,650 mi
- 4WD
- Automatic
- Diesel
- Truck
James Collins Ford · Louisville, KY
Great deal
20 photosDark Sky Metallic
2021 GMC Sierra 1500 Denali
$39,223est. $675/mo
- 75,489 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Lewis Chrysler Dodge Jeep Ram · Fayetteville, AR
Stock photo
15 photosDark Sky Metallic
2021 GMC Sierra 1500 Elevation
$26,931est. $464/mo
- 112,582 mi
- 4WD
- Automatic
- Diesel
- Truck
Navarre GMC · Lake Charles, LA
Stock photo
1 photosCARFAXSteel Metallic
2021 GMC Sierra 1500 AT4 Truck
$36,574est. $630/mo
- 84,691 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Williams Chrysler Dodge Jeep · Weatherford, TX
Black
2021 GMC Sierra 1500 SLE
$24,900est. $429/mo
- 143,829 mi
- Automatic
- Diesel
- Truck
Auto Network · Pensacola, FL
Fair price
30 photosCARFAXSatin Steel Metallic
2021 GMC Sierra 1500 Elevation G26472A
$32,261est. $555/mo
- 55,716 mi
- 4WD
- Automatic
- Gasoline
- Truck
Bill DeLuca Chevrolet Haverhill · Haverhill, MA
Dark Sky Metallic
2021 GMC Sierra 1500 Elevation
$32,652est. $562/mo
- 49,003 mi
- 4WD
- Automatic
- Gasoline
- Truck
Bishop GMC of Clare, Inc. · CLARE, MI
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White
2021 GMC Sierra 2500HD 4WD Crew Cab DIESEL DENALI
$57,900est. $997/mo
- 63,127 mi
- 4WD
- Automatic
- Diesel
- Truck
CRAIGS AUTO SALES · Granbury, TX
Fair price
39 photosCARFAXBlack
2021 GMC Sierra 1500 SLT
$36,683est. $632/mo
- 64,297 mi
- Automatic
- Diesel
- Truck
Crossroads Ford Southern Pines · Southern Pines, NC
Cardinal Red
2021 GMC Sierra 1500 SLT
$37,987est. $654/mo
- 37,503 mi
- Automatic
- Gasoline
- Truck
Dan Cummins Chrysler Dodge Jeep Ram of Paris · Paris, KY
Stock photo
15 photosPacific Blue Metallic
2021 GMC Sierra 2500 HD NA
$30,168est. $519/mo
- 98,763 mi
- 4WD
- Automatic
- Gasoline
- Truck
Ed Morse Chevrolet Northeast · De Witt, IA
Ebony Twilight Metallic
2021 GMC Sierra 1500 Elevation
$30,927est. $533/mo
- 86,719 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Elite Auto Exchange · Huber Heights, OH