1,290 Used Gmc Sierra for Sale Near Thornton, CO
Save search
Sponsored
2018 GMC Sierra 2WD Crew Cab Short Box SLE
111,042 mi.
13 days on market
3GTP1MEC5JG203825
$24,995
Fair DealSingle owner
Voyage Sports Llc
Pensacola, FL
Sponsored
2018 GMC Sierra 4WD Crew Cab Short Box SLE
97,826 mi.
212 days on market
3GTU2MEC5JG540432
$23,495
Clean title
Auto House Of Bloomington
Bloomington, IL
Sponsored
2015 GMC Sierra 4WD Double Cab SLE SWB
128,736 mi.
77 days on market
1GTV2UEH3FZ168905
$18,995
Fair Deal
Duluth Autos And Trucks
Duluth, GA
2024 GMC Sierra Denali 4WD Crew Cab Standard Box SRW
51,101 mi.
18 days on market
1GT49WEY2RF252562
$68,590
Good Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2024 GMC Sierra AT4 4WD Crew Cab Short Box
24,821 mi.
18 days on market
1GTUUEEL0RZ138555
$55,892
Good Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2024 GMC Sierra 4WD Crew Cab Std Box Elevation 3VL
15,094 mi.
18 days on market
3GTPUJEK7RG356893
$43,514
Fair Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2020 GMC Sierra 4WD Crew Cab Standard Box AT4
107,468 mi.
18 days on market
1GT49PEY1LF225527
Contact Dealer
Alpine Nissan Of Denver
Denver, CO
4.3
2025 GMC Sierra 4WD Crew Cab Short Box Elevation
7,323 mi.
18 days on market
3GTPUCEK9SG225014
$46,300
Good Deal
Stevinson Toyota West
Lakewood, CO
4.4
2014 GMC Sierra 4WD Double Cab 1SA SWB
159,985 mi.
18 days on market
1GTV2TEC2EZ223597
$13,772
Fair Deal
Mike Maroone Chevrolet North
Colorado Springs, CO
4.4
2018 GMC Sierra 4WD Crew Cab Short Box SLT
92,400 mi.
18 days on market
3GTU2NEC5JG149464
$29,997
Fair Deal
Nations Auto Inc
Denver, CO
4.4
2019 GMC Sierra 4WD Crew Cab Short Box SLT
131,887 mi.
18 days on market
3GTU9DEL2KG178816
$25,500
Good Deal
J R Car And Truck Center
Scott City, KS
4.4
2016 GMC Sierra 4WD Crew Cab Short Box
76,746 mi.
18 days on market
3GTU2PEJ5GG142064
$28,900
Fair Deal
J R Car And Truck Center
Scott City, KS
4.4
2023 GMC Sierra 4WD Crew Cab Short Box Denali
70,250 mi.
18 days on market
1GTUUGED8PZ232717
Contact Dealer
Christophers Dodge Ram
Golden, CO
4.1
2023 GMC Sierra 4WD Crew Cab Short Box Denali Ultimate
47,924 mi.
18 days on market
1GTUUHEL3PZ229639
$58,099
Good Deal
Corwin Toyota Boulder
Boulder, CO
4.1
2024 GMC Sierra 4WD Crew Cab Short Box SLE
87,064 mi.
19 days on market
3GTUUBE81RG230915
$37,999
Good DealSingle owner
Laramie Gm Auto Center
Laramie, WY
4.6
2020 GMC Sierra 4WD Crew Cab Short Box SLT
70,658 mi.
19 days on market
3GTU9DED7LG245825
$35,998
Fair Deal
Mike Maroone Auto
Longmont, CO
4.4
2024 GMC Sierra 4WD Crew Cab Standard Box AT4
45,000 mi.
19 days on market
1GT49PEY4RF451585
$71,236
Fair Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
2020 GMC Sierra 4WD Crew Cab Standard Box AT4
88,922 mi.
19 days on market
1GT49PEY1LF282651
$54,399
Fair Deal
Castle Rock Chrysler Dodge Jeep Ram
Castle Rock, CO
4.5
2015 GMC Sierra 4WD Crew Cab SLT SWB
102,485 mi.
19 days on market
3GTU2VEC6FG414044
$25,793
Fair Deal
Springs Automotive Group Platte Ave
Colorado Springs, CO
4.6
2020 GMC Sierra 4WD Crew Cab Short Box SLT
89,338 mi.
19 days on market
3GTU9DED7LG133364
$33,994
Good Deal
Modern Classic Motors Inc
Grand Junction, CO
4.7
2025 GMC Sierra 4WD Crew Cab Short Box Elevation
26,588 mi.
19 days on market
3GTUUCEDXSG176989
$47,701
Good Deal
Mcdonald Toyota Greeley
Greeley, CO
4.3
2024 GMC Sierra 4WD Crew Cab Standard Box Denali
8,732 mi.
19 days on market
1GT49WEY8RF463491
$73,000
Fair Deal
Rickenbaugh Volvo Cars
Denver, CO
4.6
2021 GMC Sierra 4WD Double Cab Std Box Elevation 3VL
49,014 mi.
19 days on market
1GTR9GEK1MZ405379
$32,400
Fair DealSingle owner
Western Slope Toyota
Grand Junction, CO
4.8
2023 GMC Sierra AT4 4WD Crew Cab Short Box
43,245 mi.
19 days on market
1GTUUEEL8PZ159425
$52,943
Fair Deal
Quality Auto Of Casper
Casper, WY
4.9
2020 GMC Sierra 4WD Crew Cab Standard Box Denali
19 days on market
1GT49REY9LF192482
$49,900
Single owner
Padas Auto Sales Llc
Denver, CO
4.2
2023 GMC Sierra 4WD Crew Cab Short Box SLT
47,531 mi.
19 days on market
3GTUUDED8PG114150
$47,387
Fair Deal
Omeara Gmc
Denver, CO
4.2
2022 GMC Sierra 4WD Crew Cab Short Box Denali
51,719 mi.
19 days on market
3GTUUGET6NG607640
$48,187
Fair Deal
Omeara Gmc
Denver, CO
4.2
2023 GMC Sierra 4WD Crew Cab Short Box Denali
33,370 mi.
19 days on market
3GTUUGE85PG337329
$53,587
Fair Deal
Omeara Gmc
Denver, CO
4.2
2024 GMC Sierra 4WD Crew Cab Standard Box Denali
44,350 mi.
19 days on market
1GT49REY8RF403857
$69,675
Good Deal
Castle Rock Ford
Castle Rock, CO
4.5
2025 GMC Sierra 4WD Crew Cab Short Box Denali Ultimate
10,700 mi.
19 days on market
1GTUUHE88SZ295804
$70,299
Fair Deal
Corwin Toyota Colorado Springs
Colorado Springs, CO
4.3
2024 GMC Sierra 4WD Crew Cab Short Box SLT
65,291 mi.
19 days on market
3GTUUDED0RG135982
$42,798
Good Deal
Mike Maroone Auto
Longmont, CO
4.4
Sponsored
2018 GMC Sierra 2WD Crew Cab Short Box SLE
111,042 mi.
13 days on market
3GTP1MEC5JG203825
$24,995
Fair DealSingle owner
Voyage Sports Llc
Pensacola, FL
2024 GMC Sierra Denali 4WD Crew Cab Standard Box SRW
51,101 mi.
18 days on market
1GT49WEY2RF252562
$68,590
Good Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2024 GMC Sierra AT4 4WD Crew Cab Short Box
24,821 mi.
18 days on market
1GTUUEEL0RZ138555
$55,892
Good Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2024 GMC Sierra 4WD Crew Cab Std Box Elevation 3VL
15,094 mi.
18 days on market
3GTPUJEK7RG356893
$43,514
Fair Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2020 GMC Sierra 4WD Crew Cab Standard Box AT4
107,468 mi.
18 days on market
1GT49PEY1LF225527
Contact Dealer
Alpine Nissan Of Denver
Denver, CO
4.3
2025 GMC Sierra 4WD Crew Cab Short Box Elevation
7,323 mi.
18 days on market
3GTPUCEK9SG225014
$46,300
Good Deal
Stevinson Toyota West
Lakewood, CO
4.4
2014 GMC Sierra 4WD Double Cab 1SA SWB
159,985 mi.
18 days on market
1GTV2TEC2EZ223597
$13,772
Fair Deal
Mike Maroone Chevrolet North
Colorado Springs, CO
4.4
2018 GMC Sierra 4WD Crew Cab Short Box SLT
92,400 mi.
18 days on market
3GTU2NEC5JG149464
$29,997
Fair Deal
Nations Auto Inc
Denver, CO
4.4
2019 GMC Sierra 4WD Crew Cab Short Box SLT
131,887 mi.
18 days on market
3GTU9DEL2KG178816
$25,500
Good Deal
J R Car And Truck Center
Scott City, KS
4.4
2016 GMC Sierra 4WD Crew Cab Short Box
76,746 mi.
18 days on market
3GTU2PEJ5GG142064
$28,900
Fair Deal
J R Car And Truck Center
Scott City, KS
4.4
2023 GMC Sierra 4WD Crew Cab Short Box Denali
70,250 mi.
18 days on market
1GTUUGED8PZ232717
Contact Dealer
Christophers Dodge Ram
Golden, CO
4.1
2023 GMC Sierra 4WD Crew Cab Short Box Denali Ultimate
47,924 mi.
18 days on market
1GTUUHEL3PZ229639
$58,099
Good Deal
Corwin Toyota Boulder
Boulder, CO
4.1
2024 GMC Sierra 4WD Crew Cab Short Box SLE
87,064 mi.
19 days on market
3GTUUBE81RG230915
$37,999
Good DealSingle owner
Laramie Gm Auto Center
Laramie, WY
4.6
2020 GMC Sierra 4WD Crew Cab Short Box SLT
70,658 mi.
19 days on market
3GTU9DED7LG245825
$35,998
Fair Deal
Mike Maroone Auto
Longmont, CO
4.4
2024 GMC Sierra 4WD Crew Cab Standard Box AT4
45,000 mi.
19 days on market
1GT49PEY4RF451585
$71,236
Fair Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
2020 GMC Sierra 4WD Crew Cab Standard Box AT4
88,922 mi.
19 days on market
1GT49PEY1LF282651
$54,399
Fair Deal
Castle Rock Chrysler Dodge Jeep Ram
Castle Rock, CO
4.5
2015 GMC Sierra 4WD Crew Cab SLT SWB
102,485 mi.
19 days on market
3GTU2VEC6FG414044
$25,793
Fair Deal
Springs Automotive Group Platte Ave
Colorado Springs, CO
4.6
2020 GMC Sierra 4WD Crew Cab Short Box SLT
89,338 mi.
19 days on market
3GTU9DED7LG133364
$33,994
Good Deal
Modern Classic Motors Inc
Grand Junction, CO
4.7
2025 GMC Sierra 4WD Crew Cab Short Box Elevation
26,588 mi.
19 days on market
3GTUUCEDXSG176989
$47,701
Good Deal
Mcdonald Toyota Greeley
Greeley, CO
4.3
2024 GMC Sierra 4WD Crew Cab Standard Box Denali
8,732 mi.
19 days on market
1GT49WEY8RF463491
$73,000
Fair Deal
Rickenbaugh Volvo Cars
Denver, CO
4.6
2021 GMC Sierra 4WD Double Cab Std Box Elevation 3VL
49,014 mi.
19 days on market
1GTR9GEK1MZ405379
$32,400
Fair DealSingle owner
Western Slope Toyota
Grand Junction, CO
4.8
2023 GMC Sierra AT4 4WD Crew Cab Short Box
43,245 mi.
19 days on market
1GTUUEEL8PZ159425
$52,943
Fair Deal
Quality Auto Of Casper
Casper, WY
4.9
2020 GMC Sierra 4WD Crew Cab Standard Box Denali
19 days on market
1GT49REY9LF192482
$49,900
Single owner
Padas Auto Sales Llc
Denver, CO
4.2
2023 GMC Sierra 4WD Crew Cab Short Box SLT
47,531 mi.
19 days on market
3GTUUDED8PG114150
$47,387
Fair Deal
Omeara Gmc
Denver, CO
4.2
2022 GMC Sierra 4WD Crew Cab Short Box Denali
51,719 mi.
19 days on market
3GTUUGET6NG607640
$48,187
Fair Deal
Omeara Gmc
Denver, CO
4.2
2023 GMC Sierra 4WD Crew Cab Short Box Denali
33,370 mi.
19 days on market
3GTUUGE85PG337329
$53,587
Fair Deal
Omeara Gmc
Denver, CO
4.2
2024 GMC Sierra 4WD Crew Cab Standard Box Denali
44,350 mi.
19 days on market
1GT49REY8RF403857
$69,675
Good Deal
Castle Rock Ford
Castle Rock, CO
4.5
2025 GMC Sierra 4WD Crew Cab Short Box Denali Ultimate
10,700 mi.
19 days on market
1GTUUHE88SZ295804
$70,299
Fair Deal
Corwin Toyota Colorado Springs
Colorado Springs, CO
4.3
2024 GMC Sierra 4WD Crew Cab Short Box SLT
65,291 mi.
19 days on market
3GTUUDED0RG135982
$42,798
Good Deal
Mike Maroone Auto
Longmont, CO
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.