1,292 Used Gmc Sierra for Sale Near Thornton, CO
Save search
Sponsored
2024 GMC Sierra 2WD Crew Cab Short Box Elevation
76,374 mi.
48 days on market
1GTPHCEK3RZ395657
$34,463
Gulliver Auto Group
Plano, TX
Sponsored
2024 GMC Sierra 4WD Crew Cab Short Box AT4
28,016 mi.
62 days on market
3GTUUEE87RG148172
$56,999
Sims Buick Gmc Truck Inc
Warren, OH
Sponsored
2013 GMC Sierra 4WD Crew Cab Standard Box
134,507 mi.
72 days on market
1GT125EG4DF184086
$19,588
Great Deal
Perfection Auto Detailing Wheels
Bloomington, IL
2024 GMC Sierra 4WD Crew Cab Short Box Denali
11,872 mi.
6 days on market
3GTUUGELXRG243793
$64,990
Fair DealSingle owner
Winslow Bmw Of Colorado Springs
Colorado Springs, CO
4.4
2024 GMC Sierra 4WD Crew Cab Short Box AT4
33,695 mi.
7 days on market
3GTUUEEL3RG253327
$57,668
Fair DealSingle owner
Toyota Of Laramie
Laramie, WY
4.7
2021 GMC Sierra 4WD Crew Cab Standard Box Denali
84,070 mi.
7 days on market
1GT49REY7MF136638
$59,681
Fair Deal
Spradley Kia
Pueblo, CO
4.6
2016 GMC Sierra 4WD Crew Cab Short Box SLT
36,938 mi.
7 days on market
3GTU2NEC3GG220010
Contact Dealer
Single owner
Ferguson Buick Gmc
Colorado Springs, CO
4.7
2010 GMC Sierra 4WD Crew Cab SLT SWB
178,550 mi.
7 days on market
3GTRKWE36AG100141
$12,500
Bmw Of Loveland
Loveland, CO
4.6
2025 GMC Sierra 4WD Crew Cab Standard Box AT4X
50,627 mi.
7 days on market
1GT4UZEY8SF127569
$89,691
Fair DealSingle ownerClean title
Loveland Ford
Loveland, CO
4.4
2024 GMC Sierra 4WD Crew Cab Standard Box Denali
24,069 mi.
7 days on market
1GT49REY5RF179320
$78,977
Fair Deal
Autonation Chevrolet North
Denver, CO
4.1
2025 GMC Sierra AT4 4WD Crew Cab Short Box
16,345 mi.
8 days on market
1GTUUEE86SZ228312
$58,497
Good Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
2026 GMC Sierra Denali Ultimate 4WD Crew Cab Short Box
4,596 mi.
8 days on market
1GTUUHE81TZ196078
$74,897
Fair Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
2023 GMC Sierra 4WD Crew Cab Short Box Denali Ultimate
84,167 mi.
8 days on market
1GTUUHE89PZ252080
$59,194
Fair Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
2025 GMC Sierra 4WD Crew Cab Short Box AT4
11,240 mi.
8 days on market
3GTUUEEL5SG265775
$60,376
Fair DealClean title
Mini Of Loveland
Loveland, CO
4.6
2020 GMC Sierra 4WD Crew Cab Short Box Denali
95,126 mi.
8 days on market
1GTU9FEL1LZ188105
$38,344
Fair DealSingle owner
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2021 GMC Sierra 4WD Crew Cab Short Box AT4
113,838 mi.
8 days on market
1GTU9EET6MZ242512
$35,910
Good Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2019 GMC Sierra 4WD Crew Cab Short Box SLT
67,207 mi.
8 days on market
3GTU9DEL1KG195171
$36,399
Fair Deal
Carvilles Auto Mart
Grand Junction, CO
4.5
2026 GMC Sierra 4WD Crew Cab Short Box AT4
11,350 mi.
8 days on market
1GTUUEE83TZ161136
$66,995
Good Deal
Faricy Kia
Colorado Springs, CO
4.5
2021 GMC Sierra 4WD Crew Cab Short Box Denali
101,575 mi.
8 days on market
3GTU9FEL2MG125306
$37,500
Good Deal
Corwin Toyota Colorado Springs
Colorado Springs, CO
4.3
2022 GMC Sierra AT4 4WD Crew Cab Short Box
21,582 mi.
8 days on market
1GTPUEEL0NZ643812
$51,799
Fair Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
2019 GMC Sierra 4WD Crew Cab Short Box
88,951 mi.
8 days on market
1GTU9FEL1KZ241951
$46,500
Fair Deal
Elevated Motor Works
Englewood, CO
2025 GMC Sierra AT4 4WD Crew Cab Short Box
12,146 mi.
9 days on market
1GTUUEEL8SZ234665
$59,398
Great Deal
Foundation Chevrolet
Wheat Ridge, CO
4.4
2023 GMC Sierra 4WD Crew Cab Short Box Denali
35,214 mi.
9 days on market
3GTUUGE82PG333304
$53,735
Fair DealSingle owner
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2024 GMC Sierra 4WD Crew Cab Short Box Denali
9,364 mi.
9 days on market
3GTUUGE84RG329600
$59,990
Fair Deal
Auto Mart Usa Parker
Parker, CO
4.7
2022 GMC Sierra 4WD Crew Cab Standard Box Denali
95,910 mi.
9 days on market
1GT49WEY0NF114139
$53,488
Good Deal
Johnson Auto Plaza
Brighton, CO
4.2
2022 GMC Sierra 4WD Crew Cab Standard Box Denali
99,673 mi.
9 days on market
1GT49REYXNF130205
$54,549
Good Deal
Larry H Miller Chrysler Dodge Ram Fiat Denver
Denver, CO
4.0
2019 GMC Sierra 4WD Crew Cab Short Box AT4
98,889 mi.
9 days on market
3GTP9EEL6KG286441
$39,994
Fair Deal
Grand Valley Auto Grand Junction
Grand Junction, CO
4.6
2022 GMC Sierra 4WD Crew Cab Short Box Elevation
63,635 mi.
9 days on market
3GTUUCET7NG528521
$40,287
Fair Deal
Omeara Gmc
Denver, CO
4.2
2024 GMC Sierra 4WD Crew Cab Standard Box Denali
30,532 mi.
9 days on market
1GT49REYXRF427318
$70,787
Good Deal
Omeara Gmc
Denver, CO
4.2
1995 GMC Sierra
137,546 mi.
9 days on market
1GTGK29N2SE505630
$6,995
Great Deal
Quality Auto City Inc
Laramie, WY
3.7
2023 GMC Sierra 4WD Crew Cab Standard Box Pro
73,246 mi.
9 days on market
1GT49SE78PF180408
$41,594
Great Deal
Greiner Ford Of Casper
Casper, WY
4.4
Sponsored
2024 GMC Sierra 2WD Crew Cab Short Box Elevation
76,374 mi.
48 days on market
1GTPHCEK3RZ395657
$34,463
Gulliver Auto Group
Plano, TX
2024 GMC Sierra 4WD Crew Cab Short Box Denali
11,872 mi.
6 days on market
3GTUUGELXRG243793
$64,990
Fair DealSingle owner
Winslow Bmw Of Colorado Springs
Colorado Springs, CO
4.4
2024 GMC Sierra 4WD Crew Cab Short Box AT4
33,695 mi.
7 days on market
3GTUUEEL3RG253327
$57,668
Fair DealSingle owner
Toyota Of Laramie
Laramie, WY
4.7
2021 GMC Sierra 4WD Crew Cab Standard Box Denali
84,070 mi.
7 days on market
1GT49REY7MF136638
$59,681
Fair Deal
Spradley Kia
Pueblo, CO
4.6
2016 GMC Sierra 4WD Crew Cab Short Box SLT
36,938 mi.
7 days on market
3GTU2NEC3GG220010
Contact Dealer
Single owner
Ferguson Buick Gmc
Colorado Springs, CO
4.7
2010 GMC Sierra 4WD Crew Cab SLT SWB
178,550 mi.
7 days on market
3GTRKWE36AG100141
$12,500
Bmw Of Loveland
Loveland, CO
4.6
2025 GMC Sierra 4WD Crew Cab Standard Box AT4X
50,627 mi.
7 days on market
1GT4UZEY8SF127569
$89,691
Fair DealSingle ownerClean title
Loveland Ford
Loveland, CO
4.4
2024 GMC Sierra 4WD Crew Cab Standard Box Denali
24,069 mi.
7 days on market
1GT49REY5RF179320
$78,977
Fair Deal
Autonation Chevrolet North
Denver, CO
4.1
2025 GMC Sierra AT4 4WD Crew Cab Short Box
16,345 mi.
8 days on market
1GTUUEE86SZ228312
$58,497
Good Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
2026 GMC Sierra Denali Ultimate 4WD Crew Cab Short Box
4,596 mi.
8 days on market
1GTUUHE81TZ196078
$74,897
Fair Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
2023 GMC Sierra 4WD Crew Cab Short Box Denali Ultimate
84,167 mi.
8 days on market
1GTUUHE89PZ252080
$59,194
Fair Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
2025 GMC Sierra 4WD Crew Cab Short Box AT4
11,240 mi.
8 days on market
3GTUUEEL5SG265775
$60,376
Fair DealClean title
Mini Of Loveland
Loveland, CO
4.6
2020 GMC Sierra 4WD Crew Cab Short Box Denali
95,126 mi.
8 days on market
1GTU9FEL1LZ188105
$38,344
Fair DealSingle owner
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2021 GMC Sierra 4WD Crew Cab Short Box AT4
113,838 mi.
8 days on market
1GTU9EET6MZ242512
$35,910
Good Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2019 GMC Sierra 4WD Crew Cab Short Box SLT
67,207 mi.
8 days on market
3GTU9DEL1KG195171
$36,399
Fair Deal
Carvilles Auto Mart
Grand Junction, CO
4.5
2026 GMC Sierra 4WD Crew Cab Short Box AT4
11,350 mi.
8 days on market
1GTUUEE83TZ161136
$66,995
Good Deal
Faricy Kia
Colorado Springs, CO
4.5
2021 GMC Sierra 4WD Crew Cab Short Box Denali
101,575 mi.
8 days on market
3GTU9FEL2MG125306
$37,500
Good Deal
Corwin Toyota Colorado Springs
Colorado Springs, CO
4.3
2022 GMC Sierra AT4 4WD Crew Cab Short Box
21,582 mi.
8 days on market
1GTPUEEL0NZ643812
$51,799
Fair Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
2019 GMC Sierra 4WD Crew Cab Short Box
88,951 mi.
8 days on market
1GTU9FEL1KZ241951
$46,500
Fair Deal
Elevated Motor Works
Englewood, CO
2025 GMC Sierra AT4 4WD Crew Cab Short Box
12,146 mi.
9 days on market
1GTUUEEL8SZ234665
$59,398
Great Deal
Foundation Chevrolet
Wheat Ridge, CO
4.4
2023 GMC Sierra 4WD Crew Cab Short Box Denali
35,214 mi.
9 days on market
3GTUUGE82PG333304
$53,735
Fair DealSingle owner
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2024 GMC Sierra 4WD Crew Cab Short Box Denali
9,364 mi.
9 days on market
3GTUUGE84RG329600
$59,990
Fair Deal
Auto Mart Usa Parker
Parker, CO
4.7
2022 GMC Sierra 4WD Crew Cab Standard Box Denali
95,910 mi.
9 days on market
1GT49WEY0NF114139
$53,488
Good Deal
Johnson Auto Plaza
Brighton, CO
4.2
2022 GMC Sierra 4WD Crew Cab Standard Box Denali
99,673 mi.
9 days on market
1GT49REYXNF130205
$54,549
Good Deal
Larry H Miller Chrysler Dodge Ram Fiat Denver
Denver, CO
4.0
2019 GMC Sierra 4WD Crew Cab Short Box AT4
98,889 mi.
9 days on market
3GTP9EEL6KG286441
$39,994
Fair Deal
Grand Valley Auto Grand Junction
Grand Junction, CO
4.6
2022 GMC Sierra 4WD Crew Cab Short Box Elevation
63,635 mi.
9 days on market
3GTUUCET7NG528521
$40,287
Fair Deal
Omeara Gmc
Denver, CO
4.2
2024 GMC Sierra 4WD Crew Cab Standard Box Denali
30,532 mi.
9 days on market
1GT49REYXRF427318
$70,787
Good Deal
Omeara Gmc
Denver, CO
4.2
1995 GMC Sierra
137,546 mi.
9 days on market
1GTGK29N2SE505630
$6,995
Great Deal
Quality Auto City Inc
Laramie, WY
3.7
2023 GMC Sierra 4WD Crew Cab Standard Box Pro
73,246 mi.
9 days on market
1GT49SE78PF180408
$41,594
Great Deal
Greiner Ford Of Casper
Casper, WY
4.4
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.