1,297 Used Gmc Sierra for Sale Near Thornton, CO
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Sponsored
2022 GMC Sierra 4WD Crew Cab Short Box Denali
109,082 mi.
58 days on market
3GTUUGET3NG640787
$33,995
Good Deal
Blue Sky Automotive
Chicago, IL
Sponsored
2012 GMC Sierra 4WD Crew Cab SLE SWB
126,460 mi.
72 days on market
3GTP2VE76CG260320
$15,995
Tmg Auto Sale
Santa Ana, CA
Sponsored
2023 GMC Sierra 2WD Regular Cab Standard Box Pro
28,952 mi.
154 days on market
3GTNHAEK4PG355421
$34,999
Fair Deal
Bell Auto Group Llc
Bell, CA
2022 GMC Sierra 4WD Crew Cab Short Box Elevation
137,817 mi.
30 days on market
3GTPUCEK2NG502865
$27,990
Good Deal
Colorado Auto Finders
Centennial, CO
4.4
1986 GMC Sierra
58,058 mi.
30 days on market
1GTEK14H1GS516923
$22,900
Good Deal
Worldwide Vintage Autos
Denver, CO
4.5
2018 GMC Sierra 4WD Crew Cab Long Box
148,020 mi.
30 days on market
1GT42VCG5JF154963
$15,695
Great Deal
Ap Auto Brokers
Longmont, CO
4.0
2015 GMC Sierra 4WD Double Cab SLE SWB
209,555 mi.
30 days on market
1GTV2UEC6FZ157210
$12,320
Great DealSingle ownerClean title
Custom Cars West
Englewood, CO
4.6
2020 GMC Sierra 4WD Crew Cab Standard Box Denali
92,204 mi.
30 days on market
1GT49REYXLF303332
$51,298
Good DealSingle owner
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2020 GMC Sierra Denali 4WD Crew Cab Standard Box
106,529 mi.
30 days on market
1GT19REY8LF321654
$49,995
Great DealClean title
Truck Kings
Denver, CO
4.2
2026 GMC Sierra 4WD Crew Cab Short Box AT4X
2,539 mi.
31 days on market
3GTUUFEL1TG219500
$74,220
Good Deal
Autonation Dodge Ram Broadway
Littleton, CO
4.0
2025 GMC Sierra 4WD Crew Cab Long Box DRW SLT
14,244 mi.
31 days on market
1GT4UUEYXSF164139
$71,099
Good Deal
Montrose Nissan
Montrose, CO
4.7
2023 GMC Sierra 4WD Crew Cab Short Box AT4
31,706 mi.
31 days on market
3GTUUEE80PG221248
$57,594
Fair DealSingle ownerClean title
Perkins Chevrolet Gmc
La Junta, CO
4.5
2017 GMC Sierra 4WD Double Cab Standard Box SLT
145,695 mi.
31 days on market
1GTV2NEJ7HZ116351
$21,598
Good Deal
Mike Maroone Auto
Longmont, CO
4.4
2022 GMC Sierra AT4 4WD Crew Cab Short Box
64,670 mi.
31 days on market
1GTUUEET1NZ554463
$46,605
Fair Deal
Loveland Buick Gmc
Loveland, CO
4.4
2024 GMC Sierra 4WD Crew Cab Short Box AT4X
75,547 mi.
32 days on market
3GTUUFEL8RG135277
$56,899
Good DealSingle owner
Castle Rock Chrysler Dodge Jeep Ram
Castle Rock, CO
4.5
2024 GMC Sierra 4WD Crew Cab Short Box SLT
54,642 mi.
32 days on market
3GTUUDE81RG116263
$47,291
Great DealClean title
Vista Toyota
Casper, WY
4.7
2024 GMC Sierra 4WD Crew Cab Standard Box AT4
37,846 mi.
32 days on market
1GT49PEY2RF132458
$68,687
Good Deal
Stevinson Toyota West
Lakewood, CO
4.4
2022 GMC Sierra 4WD Crew Cab Standard Box SLE
94,569 mi.
32 days on market
1GT49MEY8NF134983
Contact Dealer
Single owner
Shortline Buick Gmc
Aurora, CO
4.0
2012 GMC Sierra 4WD Crew Cab 6.5ft SLT
73,010 mi.
32 days on market
1GT121C85CF137362
$33,850
Fair Deal
Quicktime Motorsports Llc
Grand Junction, CO
4.3
2023 GMC Sierra 4WD Crew Cab Standard Box Pro
58,689 mi.
32 days on market
1GT49LEY5PF173690
$44,309
Fair Deal
Glenwood Springs Ford
Glenwood Springs, CO
4.4
2022 GMC Sierra 4WD Crew Cab Short Box SLT
76,253 mi.
32 days on market
3GTU9DEL6NG111270
Contact Dealer
Autonation Buick Gmc West
Golden, CO
4.3
2017 GMC Sierra 4WD Crew Cab Short Box SLT
122,426 mi.
32 days on market
3GTU2NEC4HG269685
$28,399
Fair Deal
Montrose Nissan
Montrose, CO
4.7
2022 GMC Sierra 4WD Crew Cab Short Box Denali
52,822 mi.
32 days on market
3GTUUGETXNG608144
$48,010
Fair Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2024 GMC Sierra 4WD Crew Cab Long Box Denali Ultimate
25,437 mi.
32 days on market
1GT49XEY7RF454271
$79,389
Fair DealSingle owner
Markley Honda
Fort Collins, CO
4.6
2017 GMC Sierra 4WD Crew Cab Short Box SLT
84,649 mi.
32 days on market
3GTU2NEC7HG423127
$26,999
Fair Deal
Janssen Gmc
North Platte, NE
4.4
2022 GMC Sierra 4WD Crew Cab Short Box AT4X
74,607 mi.
32 days on market
3GTUUFEL0NG530211
$51,675
Good Deal
Loveland Buick Gmc
Loveland, CO
4.4
2023 GMC Sierra 4WD Crew Cab Short Box Elevation
44,377 mi.
32 days on market
3GTPUCEK7PG241221
$39,355
Good Deal
Loveland Buick Gmc
Loveland, CO
4.4
2019 GMC Sierra 4WD Crew Cab Long Box Denali DRW
115,131 mi.
33 days on market
1GT42WEY8KF261471
$47,596
Fair Deal
Flower Subaru
Montrose, CO
4.5
2015 GMC Sierra 4WD Double Cab Short Box SLE
193,821 mi.
33 days on market
1GT22YEG0FZ122806
$16,791
Good Deal
Stevinson Toyota East
Aurora, CO
4.2
2021 GMC Sierra 4WD Crew Cab Standard Box Denali
71,373 mi.
33 days on market
1GT49REY4MF169533
$58,544
Fair DealSingle owner
Red Rock Gmc
Grand Junction, CO
4.5
2023 GMC Sierra Denali 4WD Crew Cab Short Box
35,746 mi.
33 days on market
1GTUUGEL7PZ270219
$54,978
Fair Deal
Clearshift
Loveland, CO
4.8
Sponsored
2022 GMC Sierra 4WD Crew Cab Short Box Denali
109,082 mi.
58 days on market
3GTUUGET3NG640787
$33,995
Good Deal
Blue Sky Automotive
Chicago, IL
2022 GMC Sierra 4WD Crew Cab Short Box Elevation
137,817 mi.
30 days on market
3GTPUCEK2NG502865
$27,990
Good Deal
Colorado Auto Finders
Centennial, CO
4.4
1986 GMC Sierra
58,058 mi.
30 days on market
1GTEK14H1GS516923
$22,900
Good Deal
Worldwide Vintage Autos
Denver, CO
4.5
2018 GMC Sierra 4WD Crew Cab Long Box
148,020 mi.
30 days on market
1GT42VCG5JF154963
$15,695
Great Deal
Ap Auto Brokers
Longmont, CO
4.0
2015 GMC Sierra 4WD Double Cab SLE SWB
209,555 mi.
30 days on market
1GTV2UEC6FZ157210
$12,320
Great DealSingle ownerClean title
Custom Cars West
Englewood, CO
4.6
2020 GMC Sierra 4WD Crew Cab Standard Box Denali
92,204 mi.
30 days on market
1GT49REYXLF303332
$51,298
Good DealSingle owner
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2020 GMC Sierra Denali 4WD Crew Cab Standard Box
106,529 mi.
30 days on market
1GT19REY8LF321654
$49,995
Great DealClean title
Truck Kings
Denver, CO
4.2
2026 GMC Sierra 4WD Crew Cab Short Box AT4X
2,539 mi.
31 days on market
3GTUUFEL1TG219500
$74,220
Good Deal
Autonation Dodge Ram Broadway
Littleton, CO
4.0
2025 GMC Sierra 4WD Crew Cab Long Box DRW SLT
14,244 mi.
31 days on market
1GT4UUEYXSF164139
$71,099
Good Deal
Montrose Nissan
Montrose, CO
4.7
2023 GMC Sierra 4WD Crew Cab Short Box AT4
31,706 mi.
31 days on market
3GTUUEE80PG221248
$57,594
Fair DealSingle ownerClean title
Perkins Chevrolet Gmc
La Junta, CO
4.5
2017 GMC Sierra 4WD Double Cab Standard Box SLT
145,695 mi.
31 days on market
1GTV2NEJ7HZ116351
$21,598
Good Deal
Mike Maroone Auto
Longmont, CO
4.4
2022 GMC Sierra AT4 4WD Crew Cab Short Box
64,670 mi.
31 days on market
1GTUUEET1NZ554463
$46,605
Fair Deal
Loveland Buick Gmc
Loveland, CO
4.4
2024 GMC Sierra 4WD Crew Cab Short Box AT4X
75,547 mi.
32 days on market
3GTUUFEL8RG135277
$56,899
Good DealSingle owner
Castle Rock Chrysler Dodge Jeep Ram
Castle Rock, CO
4.5
2024 GMC Sierra 4WD Crew Cab Short Box SLT
54,642 mi.
32 days on market
3GTUUDE81RG116263
$47,291
Great DealClean title
Vista Toyota
Casper, WY
4.7
2024 GMC Sierra 4WD Crew Cab Standard Box AT4
37,846 mi.
32 days on market
1GT49PEY2RF132458
$68,687
Good Deal
Stevinson Toyota West
Lakewood, CO
4.4
2022 GMC Sierra 4WD Crew Cab Standard Box SLE
94,569 mi.
32 days on market
1GT49MEY8NF134983
Contact Dealer
Single owner
Shortline Buick Gmc
Aurora, CO
4.0
2012 GMC Sierra 4WD Crew Cab 6.5ft SLT
73,010 mi.
32 days on market
1GT121C85CF137362
$33,850
Fair Deal
Quicktime Motorsports Llc
Grand Junction, CO
4.3
2023 GMC Sierra 4WD Crew Cab Standard Box Pro
58,689 mi.
32 days on market
1GT49LEY5PF173690
$44,309
Fair Deal
Glenwood Springs Ford
Glenwood Springs, CO
4.4
2022 GMC Sierra 4WD Crew Cab Short Box SLT
76,253 mi.
32 days on market
3GTU9DEL6NG111270
Contact Dealer
Autonation Buick Gmc West
Golden, CO
4.3
2017 GMC Sierra 4WD Crew Cab Short Box SLT
122,426 mi.
32 days on market
3GTU2NEC4HG269685
$28,399
Fair Deal
Montrose Nissan
Montrose, CO
4.7
2022 GMC Sierra 4WD Crew Cab Short Box Denali
52,822 mi.
32 days on market
3GTUUGETXNG608144
$48,010
Fair Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2024 GMC Sierra 4WD Crew Cab Long Box Denali Ultimate
25,437 mi.
32 days on market
1GT49XEY7RF454271
$79,389
Fair DealSingle owner
Markley Honda
Fort Collins, CO
4.6
2017 GMC Sierra 4WD Crew Cab Short Box SLT
84,649 mi.
32 days on market
3GTU2NEC7HG423127
$26,999
Fair Deal
Janssen Gmc
North Platte, NE
4.4
2022 GMC Sierra 4WD Crew Cab Short Box AT4X
74,607 mi.
32 days on market
3GTUUFEL0NG530211
$51,675
Good Deal
Loveland Buick Gmc
Loveland, CO
4.4
2023 GMC Sierra 4WD Crew Cab Short Box Elevation
44,377 mi.
32 days on market
3GTPUCEK7PG241221
$39,355
Good Deal
Loveland Buick Gmc
Loveland, CO
4.4
2019 GMC Sierra 4WD Crew Cab Long Box Denali DRW
115,131 mi.
33 days on market
1GT42WEY8KF261471
$47,596
Fair Deal
Flower Subaru
Montrose, CO
4.5
2015 GMC Sierra 4WD Double Cab Short Box SLE
193,821 mi.
33 days on market
1GT22YEG0FZ122806
$16,791
Good Deal
Stevinson Toyota East
Aurora, CO
4.2
2021 GMC Sierra 4WD Crew Cab Standard Box Denali
71,373 mi.
33 days on market
1GT49REY4MF169533
$58,544
Fair DealSingle owner
Red Rock Gmc
Grand Junction, CO
4.5
2023 GMC Sierra Denali 4WD Crew Cab Short Box
35,746 mi.
33 days on market
1GTUUGEL7PZ270219
$54,978
Fair Deal
Clearshift
Loveland, CO
4.8
Find Used GMC Sierra in Thornton, 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.