Used 2021 Gmc Sierra For Sale (1,018 results)

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Year:2021

Make:Gmc

Model:Sierra

Year

2025
(253)
2024
(2,385)
2023
(1,278)
2022
(1,617)
2021
2020
(945)
2019
(665)
2018
(669)
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(393)
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(527)
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(601)
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2003
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2002
(32)
2001
(38)
2000
(24)
1999
(14)
1998
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1997
(15)
1996
(6)

Zip

Price

under $30,000
(11)
under $40,000
(77)
under $50,000
(225)

Mileage

0 - 50000
(406)
50000 - 100000
(513)
100000 - 150000
(86)
150000 - 200000
(11)
200000 - 1000000
(2)

Make

Model

Trim

2500
(405)
denali
(265)
3500
(163)
at4
(62)
slt
(26)
elevation
(4)
sle
(4)
2500 at4
(1)
3500hd sle
(1)
base
(1)
denali ultimate
(1)
denali ultimate package
(1)
double cab
(1)

Transmission type

automatic
(992)

Color

White
(409)
Black
(292)
Red
(37)
Blue
(32)
Silver
(14)
Brown
(9)
Gray
(4)
Orange
(1)

Body

Drive

4wd
(933)
rwd
(8)

Fuel

diesel
(726)
gasoline
(241)

State

City

Coeur d'Alene, ID
(8)
Bentonville, AR
(6)
Concord, NH
(6)
Cullman, AL
(6)
Dallas, TX
(6)
Addison, TX
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(3)
Omaha, NE
(3)
Searcy, AR
(3)
Summerville, SC
(3)
Akron, OH
(2)

Features

Air conditioning
(295)
Backup camera
(170)
Bluetooth
(138)
Heated steering wheel
(99)
Remote start
(94)
Alloy wheels
(74)
Navigation system
(69)
Cruise control
(67)
Leather seats
(66)
Power windows
(58)
Power locks
(56)
Power sunroof
(54)
Keyless entry
(52)
Apple CarPlay
(50)
Android auto
(48)
Heated seats
(46)
AM/FM radio
(45)
Aluminum wheels
(41)
Remote keyless entry
(41)
Bucket seats
(36)
Clean Carfax
(34)
Running boards
(33)
Sunroof/Moonroof
(30)
Apple CarPlay/Android auto
(28)
Steering wheel audio controls
(28)
Electronic stability control
(27)
Climate control
(20)
Satellite radio
(20)
Sunroof
(19)
ABS brakes
(17)

2021 gmc sierra 2500 base

This 2021 GMC Sierra 2500 Base in Quicksilver Metallic offers robust performance with its Four-wheel Drive and is equipped with an Automatic transmission. Ideal for both work and daily drives

87,993 mi.

Quicksilver metallic

automatic

gasoline

Chandler, AZ

$36,135

$21,447 below average

2021 gmc sierra 2500 denali

This stunning 2021 GMC Sierra 2500 Denali in Ebony Twilight Metallic features a powerful 6.6L V8 engine, a luxurious Jet Black leather interior, and a range of premium features including a sunroof and heated/ventilated seats

19,295 mi.

Ebony twilight metallic

automatic

gasoline

Orchard Park, NY

$60,919

$3,337 above average

2021 gmc sierra 3500 denali

This 2021 GMC Sierra 3500 Denali is a powerful diesel truck with 4WD and only 26,781 miles. It’s equipped with luxurious features like heated/cooled seats, navigation, and a sunroof, ensuring style and comfort on every journey

26,781 mi.

Black

automatic

diesel

La Follette, TN

$65,586

$8,004 above average

2021 gmc sierra 2500 denali

This 2021 GMC Sierra 2500 Denali, with only 23,326 miles, offers a powerful 6.6L V8 engine, a smooth 6-speed automatic transmission, and a clean Carfax. Finished in striking Hunter Metallic, it combines style and performance for ultimate reliability

23,326 mi.

Hunter metallic

Crew cab

automatic

gasoline

Mystic, CT

$58,974

$1,392 above average

2021 gmc sierra 3500 at4 in appleby, south dakota

This 2021 GMC Sierra 3500 AT4 is a local trade-in, featuring Bluetooth hands-free, a rear view camera, and remaining factory warranty. It boasts power-adjustable heated seats, a 4G LTE Wi-Fi hotspot, and a premium audio system

Truck

Appleby, SD

$53,998

$3,584 below average

2021 gmc sierra 2500 at4

This 2021 GMC Sierra 2500 AT4 in stunning Ebony Twilight Metallic features a powerful Duramax 6.6L V8 turbodiesel engine, 4WD, and luxurious Jet Black leather with Kalahari accents, perfect for any adventure

58,111 mi.

Ebony twilight metallic

automatic

diesel

Ephrata, PA

$63,500

$5,918 above average

2021 gmc sierra 2500 at4

This 2021 GMC Sierra 2500 AT4 in sleek black features four-wheel drive, a powerful diesel engine, and an automatic transmission. Its well-maintained interior showcases Jet Black with Kalahari accents. A CARFAX certified vehicle with a clean history, it's ready for your next adventure!

157,200 mi.

Black

automatic

diesel

Searcy, AR

$48,000

$9,582 below average

2021 gmc sierra 3500 denali

This 2021 GMC Sierra 3500 Denali is a certified pre-owned vehicle with low mileage and a black exterior. Enjoy luxury features like heated and cooled leather seats, a sunroof, and advanced safety systems while driving with warranty coverage and maintenance included

45,865 mi.

Black

automatic

diesel

Rochester, MN

$63,500

$5,918 above average

2021 gmc sierra 3500 denali

This 2021 GMC Sierra 3500 Denali in Pacific Blue Metallic offers a powerful diesel engine and sophisticated four-wheel drive capabilities, making it a perfect blend of luxury and performance

94,781 mi.

Pacific blue metallic

automatic

diesel

Baxter, MN

$54,380

$3,202 below average

2021 gmc sierra 3500 denali

This 2021 GMC Sierra 3500 Denali is equipped with a powerful 6.6L Duramax Diesel engine, 4X4 capabilities, and a luxurious brown leather interior with heated and cooled front seats. Enjoy features like a rear backup camera, keyless entry, and an advanced sound system

127,200 mi.

White

Truck

automatic

diesel

Searcy, AR

$53,000

$4,582 below average

2021 gmc sierra 3500 denali

This 2021 GMC Sierra 3500 Denali boasts a robust build perfect for towing heavy loads, yet may not provide the best fuel efficiency. It features a reliable automatic transmission and four-wheel drive, ideal for all terrains

117,108 mi.

Black

automatic

diesel

San Antonio, TX

$51,777

$5,805 below average

2021 gmc sierra 2500 denali

Experience luxury and strength with this 2021 GMC Sierra 2500 Denali. It features diesel power, advanced 10-speed automatic transmission, and four-wheel drive for ultimate performance on any terrain

61,530 mi.

Black

automatic

diesel

Nashua, NH

$79,977

$22,395 above average

2021 gmc sierra 2500 denali

This stunning 2021 GMC Sierra 2500 Denali is powered by a Duramax 6.6L V8 Turbodiesel engine, equipped with luxurious features including heated and ventilated seats, navigation, a sunroof, and advanced driver assistance systems

19,847 mi.

Black

automatic

diesel

Branford, CT

$62,980

$5,398 above average

2021 gmc sierra 2500 slt

This 2021 GMC Sierra 2500 SLT in stunning Cayenne Red Tintcoat comes with powerful diesel performance and 10-speed automatic transmission, perfect for any four-wheel drive adventures

52,575 mi.

Cayenne red tintcoat

automatic

diesel

Amarillo, TX

$56,950

$632 below average

2021 gmc sierra 2500 slt

This 2021 GMC Sierra 2500 SLT is powered by a diesel engine and features an impressive array of luxury and safety options including heated and ventilated seats, a Bose sound system, and advanced driver alerts

103,655 mi.

White

automatic

diesel

Louisville, KY

$48,000

$9,582 below average

2021 gmc sierra 2500 denali

This 2021 GMC Sierra 2500 Denali in Summit White boasts a powerful Duramax 6.6L V8 Turbodiesel engine, 10-Speed Automatic transmission, and advanced features for comfort and safety

112,672 mi.

White

Crew cab

automatic

diesel

Owasso, OK

$55,463

$2,119 below average

2021 gmc sierra 2500 at4

Check out this rugged 2021 GMC Sierra 2500 AT4 in Onyx Black. Equipped with a powerful 10-Speed Automatic transmission and luxurious Jet Black leather with Kalahari accents, it promises both strength and style

147,297 mi.

Black

automatic

diesel

Monroeville, AL

$48,900

$8,682 below average

2021 gmc sierra 1500 denali

This 2021 GMC Sierra 1500 Denali in White Frost Tricoat offers a combination of luxury and utility, featuring running boards, a tonneau cover, and advanced tech like navigation and a heated steering wheel

36,277 mi.

White

Pickup truck

automatic

diesel

$39,340

$18,242 below average

2021 gmc sierra 1500 slt

Experience power and efficiency with this 2021 GMC Sierra 1500 SLT. It features a DURAMAX 3.0L TURBO-DIESEL engine, 10-speed transmission, and luxurious amenities like a power sunroof and Bose sound system

35,867 mi.

Black

Pickup truck

automatic

diesel

$34,256

$23,326 below average

2021 gmc sierra 1500 denali

This 2021 GMC Sierra 1500 Denali in Dark Sky Metallic offers a smooth ride with its powerful EcoTec3 6.2L V8 engine, complemented by luxury features like leather seats and advanced safety technology

25,182 mi.

Dark sky metallic

Pickup truck

automatic

gasoline

$38,270

$19,312 below average

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