Blue
2021 GMC Sierra 1500 SLT
$25,995est. $448/mo
- 163,745 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Duluth Autos and Trucks · Duluth, GA
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
White Frost Tricoat
2021 GMC Sierra 1500 SLE
$26,995est. $465/mo
- 90,165 mi
- 4WD
- Automatic
- Gasoline
- Truck
CarFive Plaistow, NH · Plaistow, NH
White Frost Tricoat
2021 GMC Sierra 1500 SLT
$34,694est. $597/mo
- 79,264 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Copple Chevrolet GMC · Louisville, NE
Gray
2021 GMC Sierra 1500
$28,285est. $487/mo
- 145,438 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Nice Guys Auto · Hattiesburg, MS
Summit White
2021 GMC Sierra 1500 SLT
$31,759est. $547/mo
- 103,292 mi
- 4WD
- Automatic
- Gasoline
- Truck
Eriksen Chevrolet · Milan, IL
Onyx Black
2021 GMC Sierra 1500 AT4
$39,875est. $687/mo
- 69,999 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Jo-Dan Motors · Plains, PA
Summit White
2021 GMC Sierra 1500 Elevation
$30,485est. $525/mo
- 96,767 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Stanley Subaru · Ellsworth, ME
Summit White
2021 GMC Sierra 1500 AT4
$36,586est. $630/mo
- 77,417 mi
- 4WD
- Automatic
- Gasoline
- Truck
Pierre GMC of Everett · EVERETT, WA
Summit White
2021 GMC Sierra 1500 4WD Crew Cab Short Box AT4
$38,088est. $656/mo
- 63,416 mi
- Automatic
- Diesel
- Truck
Hunt Chrysler Center · Franklin, KY
Satin Steel Metallic
2021 GMC Sierra 1500 SLE Crew Cab Short Box 2WD
$27,366est. $471/mo
- 71,081 mi
- 2WD
- Truck
Performance Pre Owned Sales · Livingston, TX
Pacific Blue Metallic
2021 GMC Sierra 1500 Elevation
$26,482est. $456/mo
- 131,979 mi
- 4WD
- Automatic
- Diesel
- Truck
Bill Wells Chevrolet · Plainview, TX
Quicksilver Metallic
2021 GMC Sierra 1500 SLT
$30,313est. $522/mo
- 122,079 mi
- 10-Speed Automatic
- Gasoline
- Truck
Beaman Chrysler Dodge Jeep Ram · Murfreesboro, TN
Summit White
2021 GMC Sierra 1500 Elevation
$32,390est. $558/mo
- 81,158 mi
- 4WD
- Automatic
- Diesel
- Truck
Eynon GMC · EYNON, PA
Onyx Black
2021 GMC Sierra 1500 Elevation
$30,590est. $527/mo
- 100,497 mi
- 10-Speed Automatic
- Diesel
- Truck
Prestige Chrysler Dodge Jeep Ram · Longmont, CO
Pacific Blue Metallic
2021 GMC Sierra 2500HD AT4
$51,262est. $883/mo
- 66,009 mi
- 6-Speed Automatic
- Gasoline
- Truck
Rod Hatfield Used Car Factory · Nicholasville, KY
White Frost Tricoat
2021 GMC Sierra 1500 Denali
$39,799est. $685/mo
- 54,602 mi
- 2WD
- Automatic
- Gasoline
- Truck
Larry H. Miller Chrysler Dodge Jeep Ram Avondale · Avondale, AZ
Quicksilver Metallic
2021 GMC Sierra 1500 SLT Crew Cab Pickup
$32,503est. $560/mo
- 85,754 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
AutoNation Chrysler Dodge Jeep Ram Arapahoe · Centennial, CO
Onyx Black
2021 GMC Sierra 1500 SLE
$30,438est. $524/mo
- 75,511 mi
- 4WD
- Automatic
- Gasoline
- Truck
Lambert Buick GMC · Cuyahoga Falls, OH
Satin Steel Metallic Exterior
2021 GMC Sierra 1500 SLT Truck
$31,995est. $551/mo
- 116,369 mi
- Automatic
- Truck
Used Trucks For Sale - Gas & Diesel · Arlington, TX
Quicksilver
2021 GMC Sierra 1500 Elevation
$19,288est. $332/mo
- 182,467 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Car
AutoNation Toyota Corpus Christi · Corpus Christi, TX
Cayenne Red Tintcoat
2021 GMC Sierra 1500 AT4
$34,281est. $590/mo
- 107,811 mi
- 4WD
- Automatic
- Gasoline
- Truck
Spradley Chevrolet · Pueblo, CO
Summit White
2021 GMC Sierra 1500 SLT
$35,129est. $605/mo
- 89,785 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Cannon Chrysler Dodge Jeep Ram of Cleveland · Cleveland, MS
White Frost Tricoat
2021 GMC Sierra 1500 Denali
$39,338est. $677/mo
- 70,041 mi
- 4WD
- Automatic
- Diesel
- Truck
BOB KING BUICK-GMC · WIlmington, NC
Black
2021 GMC Sierra 1500 SLE
$28,990est. $499/mo
- 124,680 mi
- 2WD
- 8-Speed Automatic
- Gasoline
- Truck
Diamond Cut Autos · Fort Myers, FL
Dark SKY Metallic
2021 GMC Sierra 1500 SLE
$27,892est. $480/mo
- 41,513 mi
- RWD
- Automatic
- Gasoline
- Truck
Orange Buick GMC · Orlando, FL
Satin Steel
2021 GMC Sierra 1500 Denali Truck Crew Cab I-6 cyl
$35,216est. $606/mo
- 83,350 mi
- 2WD
- 10-Speed Automatic
- Diesel
- Truck
AutoNation Ford Arlington · Arlington, TX
Price drop −$245
25 photos2021 GMC Sierra 1500 SLT
$34,444was $34,689est. $593/mo
- 67,994 mi
- Truck
Jerry's Chevrolet · Weatherford, TX
Pacific Blue Metallic
2021 GMC Sierra 1500 SLT
$35,389est. $609/mo
- 57,180 mi
- 4WD
- Automatic
- Gasoline
- Truck
O'Neil GMC · Warminster, PA
White
2021 GMC Sierra 2500HD 4WD Crew Cab 159" Denali
$47,900est. $825/mo
- 74,500 mi
- 4WD
- Automatic
- Truck
Auto Mart Quality Trucks & Cars · Derry, NH
Stock photo
15 photosCARFAXSummit White
2021 GMC Sierra 1500 Elevation
$32,394est. $558/mo
- 53,836 mi
- 4WD
- Automatic
- Gasoline
- Truck
Barlow Buick GMC of Woodbury · Woodbury, NJ
Stock photo
11 photosCARFAXSatin Steel Metallic
2021 GMC Sierra 1500 SLE
$28,389est. $489/mo
- 138,876 mi
- 10-Speed Automatic
- Gasoline
- Truck
Zimbrick Hyundai West · Madison, WI
Onyx Black
2021 GMC Sierra 1500 Denali
$38,200est. $658/mo
- 80,019 mi
- 4WD
- Automatic
- Diesel
- Truck
McCurley Mazda · Pasco, WA
White Frost Tricoat
2021 GMC Sierra 1500 SLT
$29,414est. $506/mo
- 114,961 mi
- 4WD
- Automatic
- Gasoline
- Truck
Tradition Chevrolet Newark · Newark, NY
Brownstone Metallic
2021 GMC Sierra 1500
$26,157est. $450/mo
- 0 mi
- 4WD
- Automatic
- Gasoline
- Truck
Frontier Chevrolet · Anacortes, WA
Blue
2021 GMC Sierra 2500HD
$38,995est. $671/mo
- 101,412 mi
- 4WD
- Automatic
- Truck
Route 106 Motors · East Bridgewater, MA
SILVER
2021 GMC Sierra 1500 4WD Crew Cab 147" SLT
$32,995est. $568/mo
- 102,291 mi
- 4WD
- Automatic
- Truck
Riverside Auto Sales - Gulfport · Gulfport, MS
Ebony Twilight Metallic
2021 GMC Sierra 1500 AT4
$44,220est. $761/mo
- 48,085 mi
- 4WD
- Automatic
- Diesel
- Truck
DOW AUTOPLEX · Mineola, TX
Blue
2021 GMC Sierra 1500 SLT
$23,600est. $406/mo
- 145,000 mi
- RWD
- 8-Speed Automatic
- Truck
Cavender's Auto Sales · Durant, OK
Ebony Twilight Metallic
2021 GMC Sierra 1500 Elevation
$32,212est. $555/mo
- 79,073 mi
- 4WD
- Automatic
- Gasoline
- Truck
Classic Buick GMC · Arlington, TX
Satin Steel Metallic
2021 GMC Sierra 1500 SLT
$36,629est. $631/mo
- 80,945 mi
- 4WD
- Automatic
- Gasoline
- Truck
Crain Chevrolet GMC of England · ENGLAND, AR
Black
2021 GMC Sierra 1500 AT4
$36,669est. $631/mo
- 60,507 mi
- Automatic
- Diesel
- Truck
Enumclaw Chrysler Jeep Dodge Ram · Enumclaw, WA
Summit White
2021 GMC Sierra 1500
$30,060est. $518/mo
- 78,697 mi
- 4WD
- Automatic
- Gasoline
- Truck
Vince's GM Center - Chevrolet · Burlington, CO
Black
2021 GMC Sierra 1500 4WD Crew Cab 147" SLT
$39,999est. $689/mo
- 33,948 mi
- 4WD
- Automatic
- Gasoline
- Truck
Car City · South Salt Lake, UT
Onyx Black
2021 GMC Sierra 1500 Elevation
$26,348est. $454/mo
- 99,758 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Performance Chrysler Jeep Dodge Ram Delaware · Delaware, OH
Summit White
2021 GMC Sierra 1500 AT4
$40,208est. $692/mo
- 66,370 mi
- 4WD
- Automatic
- Gasoline
- Truck
Dahl Motors GMC · Pipestone, MN
Satin Steel Metallic
2021 GMC Sierra 1500 SLT
$34,625est. $596/mo
- 92,583 mi
- 4WD
- Automatic
- Gasoline
- Truck
Olympic Buick GMC · Huron, SD
Onyx Black
2021 GMC Sierra 1500 SLE
$28,415est. $489/mo
- 86,064 mi
- 4WD
- Automatic
- Gasoline
- Truck
Sherwood GMC Buick · Tunkhannock, PA
Onyx Black
2021 GMC Sierra 1500 Elevation
$30,799est. $530/mo
- 82,312 mi
- 4WD
- Automatic
- Gasoline
- Truck
BM Motor Cars · Linden, NJ
Twilight Blue
2021 GMC Sierra 1500 SLT
$31,995est. $551/mo
- 94,640 mi
- 4WD
- Gasoline
- Truck
Meyer Auto Group · Maryville, MO
Summit White
2021 GMC Sierra 1500 AT4
$28,233est. $486/mo
- 143,318 mi
- 4WD
- Automatic
- Gasoline
- Truck
Fountain Buick GMC · Orlando, FL
Brownstone
2021 GMC Sierra 1500 SLE
$28,299est. $487/mo
- 125,662 mi
- 4WD
- Gasoline
- Truck
Anderson CDJR of Grand Island · Grand Island, NE
Quicksilver Metallic
2021 GMC Sierra 1500 SLE 4x4
$33,675est. $580/mo
- 27,090 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Certified AutoBrokers · Grand Island, NY
White
2021 GMC Sierra 3500HD Denali Crew Cab 4WD
$55,999est. $964/mo
- 33,421 mi
- 4WD
- Automatic
- Truck
Imports and Classics · Bellingham, WA
Summit White
2021 GMC Sierra 1500 SLT
$31,998est. $551/mo
- 97,992 mi
- 10-Speed Automatic
- Gasoline
- Truck
Dan Vaden Chevrolet Brunswick · Brunswick, GA
White
2021 GMC Sierra 2500HD
$25,975est. $447/mo
- 166,400 mi
- 4WD
- 6-Speed Automatic
- Gasoline
- Truck
D & J AUTO SALES · JOPLIN, MO
Onyx Black
2021 GMC Sierra 1500 Elevation
$32,175est. $554/mo
- 68,162 mi
- 4WD
- Automatic
- Gasoline
- Car
Cappellino Chevrolet · Boston, NY
Cardinal Red
2021 GMC Sierra 1500 SLT
$38,126est. $656/mo
- 52,409 mi
- 4WD
- Automatic
- Gasoline
- Truck
Everett Buick GMC · Bryant, AR
Onyx Black
2021 GMC Sierra 1500 SLT
$31,066est. $535/mo
- 89,852 mi
- 4WD
- Automatic
- Gasoline
- Truck
Fox Greenville GMC · GREENVILLE, MI
Onyx Black
2021 GMC Sierra 1500 SLT
$28,995est. $499/mo
- 110,555 mi
- 4WD
- 1-Speed Automatic
- Gasoline
- Truck
Chuck's Sheridan Auto · Mount Pleasant, WI
Black
2021 GMC Sierra 1500 Denali
$30,990est. $534/mo
- 115,181 mi
- 4WD
- Automatic
- Gasoline
- Truck
Miller Chevrolet of Rogers · Rogers, MN
Stock photo
1 photosDark Sky
2021 GMC Sierra 1500 SLT 4x4
$32,687est. $563/mo
- 102,542 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Rick McGill's Airport Toyota · Alcoa, TN
Summit White
2021 GMC Sierra 1500 Base
$28,244est. $486/mo
- 74,508 mi
- 4WD
- Gasoline
- Truck
Continental Subaru · Anchorage, AK
Onyx Black
2021 GMC Sierra 1500 SLT
$40,797est. $702/mo
- 19,571 mi
- 4WD
- Automatic
- Diesel
- Truck
Meadowland GMC · Carmel, NY
Off white
2021 GMC Sierra 2500HD
$61,900est. $1,066/mo
- 62,000 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
D&M Auto Sales LLC · Winchester, VA
Summit White
2021 GMC Sierra 1500 Elevation
$20,152est. $347/mo
- 89,973 mi
- RWD
- Automatic
- Gasoline
- Truck
Watsonville GMC · Watsonville, CA
White Frost Tricoat
2021 GMC Sierra 1500 SLT
$37,006est. $637/mo
- 57,592 mi
- 4WD
- Automatic
- Gasoline
- Truck
McElveen Buick GMC · Summerville, SC
Stock photo
1 photosCARFAXGray
2021 GMC Sierra 1500 Elevation
$34,259est. $590/mo
- 60,291 mi
- 4WD
- Automatic
- Gasoline
- Truck
Clason Buick GMC · LA CROSSE, WI
Cayenne Red Tintcoat
2021 GMC Sierra 1500 4WD Crew Cab Short Box AT4
$42,925est. $739/mo
- 66,097 mi
- 10-Speed Automatic
- Diesel
- Truck
Daystar Chrysler Dodge Jeep Ram · Malvern, OH
Summit White
2021 GMC Sierra 1500 SLT Truck EcoTec3 V8
$32,145est. $553/mo
- 92,525 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Nelson Auto Center of Fergus Falls · Fergus Falls, MN
White Frost Tricoat
2021 GMC Sierra 3500 HD Denali
$51,185est. $881/mo
- 96,772 mi
- 4WD
- Automatic
- Diesel
- Truck
Roe Motors · Grants Pass, OR
Pacific Blue Metallic
2021 GMC Sierra 2500 HD SLE
$30,991est. $534/mo
- 149,184 mi
- 4WD
- Automatic
- Gasoline
- Truck
DeMontrond Buick GMC · Houston, TX
Quicksilver Metallic
2021 GMC Sierra 2500HD SLE
$42,545est. $733/mo
- 34,795 mi
- 4WD
- 6-Speed Automatic
- Gasoline
- Truck
Mayse Automotive Group · Aurora, MO