114 Used 2021 Gmc Sierra for Sale Near Castle Rock, CO

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gmc
Model: sierra
after 2021
before 2021
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2021 GMC Sierra SLT 4WD Crew Cab Short Box's photo

2021 GMC Sierra SLT 4WD Crew Cab Short Box

90,973 mi.

262 days on market

1GTU9DED4MZ141651

$36,767
Good Deal
Carboxx
Mobile, AL
2021 GMC Sierra 4WD Crew Cab Short Box Denali's photo

2021 GMC Sierra 4WD Crew Cab Short Box Denali

101,105 mi.

85 days on market

3GTU9FEL0MG315816

$38,988
Good Deal
Family Trucks And Vans
Denver, CO
4.1
New listing
2021 GMC Sierra 4WD Crew Cab Short Box SLT's photo

2021 GMC Sierra 4WD Crew Cab Short Box SLT

57,500 mi.

1 day on market

1GTU9DED7MZ311212

Contact Dealer
Korf Chevrolet Gmc Of Yuma
Yuma, CO
New listing
2021 GMC Sierra 4WD Crew Cab Short Box Elevation's photo

2021 GMC Sierra 4WD Crew Cab Short Box Elevation

93,835 mi.

1 day on market

3GTU9CED4MG309993

Contact Dealer
Dellenbach Chevrolet
Fort Collins, CO
4.3
2021 GMC Sierra 4WD Crew Cab Short Box AT4's photo

2021 GMC Sierra 4WD Crew Cab Short Box AT4

108,405 mi.

2 days on market

3GTP9EED1MG237529

$36,000
Good Deal
Weld County Garage
Greeley, CO
4.6
2021 GMC Sierra 4WD Crew Cab Standard Box Denali's photo

2021 GMC Sierra 4WD Crew Cab Standard Box Denali

89,492 mi.

2 days on market

1GT49WEY1MF154373

Contact Dealer
Red Rock Gmc
Grand Junction, CO
4.5
2021 GMC Sierra 4WD Crew Cab Short Box SLT's photo

2021 GMC Sierra 4WD Crew Cab Short Box SLT

81,816 mi.

2 days on market

3GTU9DED9MG370763

$44,999
Fair Deal
Team Chevrolet Gmc
Scottsbluff, NE
4.4
2021 GMC Sierra 4WD Crew Cab Short Box SLE's photo

2021 GMC Sierra 4WD Crew Cab Short Box SLE

120,359 mi.

3 days on market

3GTU9BED2MG169176

$28,995
Good Deal
Carvilles Auto Mart
Grand Junction, CO
4.5
2021 GMC Sierra 4WD Double Cab Standard Box Elevation's photo

2021 GMC Sierra 4WD Double Cab Standard Box Elevation

81,777 mi.

3 days on market

1GTR9CED7MZ429499

$30,900
Good Deal
Toyota Of Colorado Springs
Colorado Springs, CO
4.4
2021 GMC Sierra 4WD Crew Cab Short Box AT4's photo

2021 GMC Sierra 4WD Crew Cab Short Box AT4

98,506 mi.

4 days on market

3GTP9EEL2MG472190

$37,999
Good Deal
Alpine Chevrolet
Aurora, CO
4.5
2021 GMC Sierra 4WD Crew Cab Standard Box Denali's photo

2021 GMC Sierra 4WD Crew Cab Standard Box Denali

84,070 mi.

5 days on market

1GT49REY7MF136638

$59,681
Fair Deal
Spradley Kia
Pueblo, CO
4.6
2021 GMC Sierra 4WD Crew Cab Short Box AT4's photo

2021 GMC Sierra 4WD Crew Cab Short Box AT4

113,838 mi.

6 days on market

1GTU9EET6MZ242512

$35,910
Good Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2021 GMC Sierra 4WD Crew Cab Short Box Denali's photo

2021 GMC Sierra 4WD Crew Cab Short Box Denali

101,575 mi.

6 days on market

3GTU9FEL2MG125306

$38,299
Good Deal
Corwin Toyota Colorado Springs
Colorado Springs, CO
4.3
2021 GMC Sierra 4WD Crew Cab Short Box SLT's photo

2021 GMC Sierra 4WD Crew Cab Short Box SLT

67,686 mi.

6 days on market

1GTU9DED8MZ209322

$39,494
Fair Deal
Robert Brogdens Garden City Automotive
Garden City, KS
4.4
2021 GMC Sierra 4WD Crew Cab Short Box SLE's photo

2021 GMC Sierra 4WD Crew Cab Short Box SLE

64,268 mi.

7 days on market

3GTU9BED2MG199391

$32,786
Fair Deal
Wilcoxson Buick Gmc
Pueblo, CO
4.1
2021 GMC Sierra Denali 4WD Crew Cab Short Box's photo

2021 GMC Sierra Denali 4WD Crew Cab Short Box

41,046 mi.

7 days on market

1GTU9FEL8MZ232277

$46,687
Fair Deal
Omeara Gmc
Denver, CO
4.2
2021 GMC Sierra 4WD Crew Cab Standard Box's photo

2021 GMC Sierra 4WD Crew Cab Standard Box

69,870 mi.

7 days on market

1GT49LE77MF187660

$39,799
Fair Deal
Corwin Toyota Colorado Springs
Colorado Springs, CO
4.3
2021 GMC Sierra 4WD Crew Cab Standard Box Denali's photo

2021 GMC Sierra 4WD Crew Cab Standard Box Denali

72,587 mi.

8 days on market

1GT49REY8MF227028

$55,599
Great DealClean title
Rocky Mountain Eurosport Parker
Parker, CO
4.9
2021 GMC Sierra 4WD Crew Cab Standard Box AT4's photo

2021 GMC Sierra 4WD Crew Cab Standard Box AT4

78,806 mi.

8 days on market

1GT19PEY0MF169956

Contact Dealer
Christophers Dodge Ram
Golden, CO
4.1
2021 GMC Sierra 4WD Crew Cab Standard Box AT4's photo

2021 GMC Sierra 4WD Crew Cab Standard Box AT4

122,890 mi.

8 days on market

3GTP9EELXMG104193

$34,890
Good Deal
Berkenkotter Motors
Castle Rock, CO
4.1
2021 GMC Sierra 4WD Double Cab Standard Box SLE's photo

2021 GMC Sierra 4WD Double Cab Standard Box SLE

78,205 mi.

8 days on market

1GT29ME75MF230633

$34,600
Great Deal
Berkenkotter Motors
Castle Rock, CO
4.1
2021 GMC Sierra Elevation 4WD Double Cab Standard Box's photo

2021 GMC Sierra Elevation 4WD Double Cab Standard Box

109,085 mi.

8 days on market

1GTR9CED8MZ411951

$27,298
Good Deal
Foundation Chevrolet
Wheat Ridge, CO
4.4
2021 GMC Sierra 4WD Crew Cab Short Box Denali's photo

2021 GMC Sierra 4WD Crew Cab Short Box Denali

69,101 mi.

9 days on market

3GTU9FEL9MG418393

$43,610
Fair Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2021 GMC Sierra 4WD Crew Cab Short Box Denali's photo

2021 GMC Sierra 4WD Crew Cab Short Box Denali

61,843 mi.

9 days on market

1GTU9FEL9MZ253283

$43,892
Fair Deal
Interstate Ford
Dacono, CO
4.7
2021 GMC Sierra 4WD Crew Cab Short Box Denali's photo

2021 GMC Sierra 4WD Crew Cab Short Box Denali

60,207 mi.

9 days on market

3GTU9FET0MG311555

$44,294
Fair Deal
Robert Brogdens Garden City Automotive
Garden City, KS
4.4
2021 GMC Sierra 4WD Crew Cab Short Box AT4's photo

2021 GMC Sierra 4WD Crew Cab Short Box AT4

73,848 mi.

10 days on market

3GTP9EELXMG479517

$39,995
Fair Deal
Alpine Ford
Pueblo, CO
4.2
2021 GMC Sierra 4WD Crew Cab Standard Box AT4's photo

2021 GMC Sierra 4WD Crew Cab Standard Box AT4

23,570 mi.

10 days on market

1GT49VEY0MF283442

$64,484
Fair Deal
Morehart Murphy Regional Auto Center
Durango, CO
4.2
2021 GMC Sierra Denali 4WD Crew Cab Short Box's photo

2021 GMC Sierra Denali 4WD Crew Cab Short Box

63,392 mi.

13 days on market

3GTU9FELXMG478912

$43,995
Fair Deal
Alpine Ford
Pueblo, CO
4.2
2021 GMC Sierra Elevation 4WD Crew Cab Short Box's photo

2021 GMC Sierra Elevation 4WD Crew Cab Short Box

39,802 mi.

15 days on market

1GTU9CET2MZ102638

$38,459
Fair DealSingle owner
Autostar Chrysler Dodge Jeep Ram Of Silverthorne
Silverthorne, CO
3.6
2021 GMC Sierra 4WD Crew Cab Short Box AT4's photo

2021 GMC Sierra 4WD Crew Cab Short Box AT4

36,289 mi.

15 days on market

1GTU9EET4MZ381036

$47,691
Fair Deal
Daniels Long Chevrolet
Colorado Springs, CO
4.2
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Find Used GMC Sierra in Castle Rock, CO

In the U.S., the GMC Sierra is available as Chassis Cab, Pickup, and Utility-Service Truck. The best choice typically depends on space needs and personal preference.