1,292 Used Gmc Sierra for Sale Near Thornton, CO
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Sponsored
2015 GMC Sierra 4WD Crew Cab SLT SWB
110,511 mi.
54 days on market
3GTU2VEC3FG218028
$25,888
Fair Deal
Arizona Car And Truck Store
Phoenix, AZ
Sponsored
2021 GMC Sierra Elevation 4WD Crew Cab Short Box
62,387 mi.
27 days on market
3GTU9CED0MG226741
$34,980
Car Pros Northshore
Covington, LA
Sponsored
2018 GMC Sierra 4WD Crew Cab Short Box
102,090 mi.
87 days on market
3GTU2PEJ4JG345616
$26,500
Great Deal
Downer Auto
Barnesville, MN
2014 GMC Sierra 4WD Crew Cab 8ft SLT DRW
246,488 mi.
13 days on market
1GT424E8XEF169948
$23,629
Good Deal
Halladay Buick Gmc
Cheyenne, WY
3.7
2023 GMC Sierra 4WD Crew Cab Long Box DRW Denali
51,727 mi.
13 days on market
1GT49WEY5PF104256
$66,995
Fair Deal
The Faricy Boys Automotive
Salida, CO
4.4
2018 GMC Sierra 4WD Double Cab Standard Box
115,612 mi.
13 days on market
1GTV2LEH0JZ104937
$20,988
Fair Deal
The Sharpest Rides
Englewood, CO
4.5
2024 GMC Sierra 4WD Crew Cab Short Box Elevation
21,434 mi.
13 days on market
1GTUUCE83RZ193856
$51,995
Fair Deal
Team Chevrolet Gmc
Scottsbluff, NE
4.4
2023 GMC Sierra Elevation 4WD Crew Cab Short Box
32,946 mi.
13 days on market
1GTUUCED8PZ289220
$49,566
Fair Deal
Clearshift Loveland
Loveland, CO
4.8
2024 GMC Sierra AT4 4WD Crew Cab Standard Box SRW
17,069 mi.
13 days on market
1GT49VEY0RF239206
$75,390
Fair Deal
Clearshift Loveland
Loveland, CO
4.8
2014 GMC Sierra 4WD Crew Cab Standard Box
128,174 mi.
13 days on market
1GT125EG7EF190840
Contact Dealer
Single owner
Naples Auto Sales
Naples, UT
4.8
2024 GMC Sierra 4WD Crew Cab Long Box Denali Ultimate
88,443 mi.
13 days on market
1GT49XEY9RF297908
$69,999
Good Deal
Vista Ford Delta
Delta, CO
4.3
2020 GMC Sierra 4WD Crew Cab Standard Box Denali
61,052 mi.
13 days on market
1GT49RE7XLF272705
$56,372
Fair DealSingle owner
Markley Honda
Fort Collins, CO
4.6
2018 GMC Sierra SLE 4x4 Regular Cab Standard Box
41,499 mi.
13 days on market
1GTN2MEC2JZ224636
$37,499
Platinum Motors Co
Denver, CO
5.0
2022 GMC Sierra 4WD Crew Cab Short Box AT4
62,211 mi.
13 days on market
1GTUUEET1NZ613723
$47,796
Fair DealSingle owner
Red Rock Honda
Grand Junction, CO
4.3
2024 GMC Sierra AT4X 4WD Crew Cab Standard Box
25,050 mi.
13 days on market
1GT49ZEY9RF310085
$80,586
Fair Deal
Clearshift Loveland
Loveland, CO
4.8
2024 GMC Sierra 4WD Crew Cab Standard Box AT4
46,174 mi.
13 days on market
1GT49PEY7RF403952
$70,000
Good Deal
Mike Maroone Chevrolet South
Colorado Springs, CO
4.4
2018 GMC Sierra 4WD Crew Cab Standard Box SLT
142,256 mi.
13 days on market
1GT12TEY3JF230502
$35,995
Good Deal
Tommys Car Lot
Chadron, NE
4.8
2017 GMC Sierra 4WD Crew Cab Standard Box
102,004 mi.
13 days on market
3GTU2PEC2HG175784
$28,584
Fair Deal
Southwest Motors
Pueblo, CO
4.6
2020 GMC Sierra 4WD Crew Cab Short Box SLT
123,477 mi.
13 days on market
3GTU9DEL3LG218001
$31,793
Good Deal
Springs Automotive Group Platte Ave
Colorado Springs, CO
4.6
2009 GMC Sierra 4WD Crew Cab SLE SWB
136,131 mi.
13 days on market
3GTEK23M19G277758
$14,999
South Creek Auto
Longmont, CO
4.3
2026 GMC Sierra Denali 4WD Crew Cab Standard Box
13,125 mi.
13 days on market
1GT1UREY6TF103212
$80,198
Foundation Chevrolet
Wheat Ridge, CO
4.4
2020 GMC Sierra 4WD Crew Cab Short Box SLT
120,660 mi.
13 days on market
3GTU9DED3LG249578
$27,950
Good DealSingle owner
Sterling Auto Sales
Franktown, CO
4.1
2023 GMC Sierra 4WD Crew Cab Short Box AT4
47,761 mi.
13 days on market
1GTUUEE8XPZ223847
$49,990
Fair Deal
Autonation Chrysler Jeep West
Golden, CO
4.5
1992 GMC Sierra
251,967 mi.
13 days on market
2GTEK19K7N1524879
Contact Dealer
Auto Barn
Gering, NE
4.4
2015 GMC Sierra 4WD Double Cab SLT SWB
131,955 mi.
14 days on market
1GTV2VEC4FZ357878
$21,999
Fair Deal
Auto Warehouse
Brighton, CO
4.6
2019 GMC Sierra 4WD Crew Cab Short Box SLE
44,908 mi.
14 days on market
1GTP9BEK0KZ378733
$28,210
Fair DealSingle owner
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2012 GMC Sierra 4WD Crew Cab Standard Box
168,244 mi.
14 days on market
1GT125E84CF216476
$23,499
Fair Deal
Mountain States Toyota
Denver, CO
4.5
2024 GMC Sierra 4WD Crew Cab Short Box AT4X
37,086 mi.
14 days on market
3GTUUFELXRG319331
$60,590
Good Deal
Mike Maroone Gmc
Boulder, CO
5.0
2024 GMC Sierra 4WD Crew Cab Standard Box SLT
36,999 mi.
14 days on market
1GT49NEY8RF257887
$67,537
Fair Deal
Ed Bozarth Chevrolet And Buick Inc
Grand Junction, CO
4.6
2025 GMC Sierra 4WD Crew Cab Short Box Denali
29,321 mi.
14 days on market
3GTUUGE80SG126502
$59,849
Good Deal
Shortline Buick Gmc
Aurora, CO
4.0
2020 GMC Sierra 4WD Crew Cab Short Box AT4
75,347 mi.
14 days on market
3GTP9EEL6LG352052
$42,995
Fair Deal
Independent Auto Brokers
Greeley, CO
4.5
Sponsored
2015 GMC Sierra 4WD Crew Cab SLT SWB
110,511 mi.
54 days on market
3GTU2VEC3FG218028
$25,888
Fair Deal
Arizona Car And Truck Store
Phoenix, AZ
2014 GMC Sierra 4WD Crew Cab 8ft SLT DRW
246,488 mi.
13 days on market
1GT424E8XEF169948
$23,629
Good Deal
Halladay Buick Gmc
Cheyenne, WY
3.7
2023 GMC Sierra 4WD Crew Cab Long Box DRW Denali
51,727 mi.
13 days on market
1GT49WEY5PF104256
$66,995
Fair Deal
The Faricy Boys Automotive
Salida, CO
4.4
2018 GMC Sierra 4WD Double Cab Standard Box
115,612 mi.
13 days on market
1GTV2LEH0JZ104937
$20,988
Fair Deal
The Sharpest Rides
Englewood, CO
4.5
2024 GMC Sierra 4WD Crew Cab Short Box Elevation
21,434 mi.
13 days on market
1GTUUCE83RZ193856
$51,995
Fair Deal
Team Chevrolet Gmc
Scottsbluff, NE
4.4
2023 GMC Sierra Elevation 4WD Crew Cab Short Box
32,946 mi.
13 days on market
1GTUUCED8PZ289220
$49,566
Fair Deal
Clearshift Loveland
Loveland, CO
4.8
2024 GMC Sierra AT4 4WD Crew Cab Standard Box SRW
17,069 mi.
13 days on market
1GT49VEY0RF239206
$75,390
Fair Deal
Clearshift Loveland
Loveland, CO
4.8
2014 GMC Sierra 4WD Crew Cab Standard Box
128,174 mi.
13 days on market
1GT125EG7EF190840
Contact Dealer
Single owner
Naples Auto Sales
Naples, UT
4.8
2024 GMC Sierra 4WD Crew Cab Long Box Denali Ultimate
88,443 mi.
13 days on market
1GT49XEY9RF297908
$69,999
Good Deal
Vista Ford Delta
Delta, CO
4.3
2020 GMC Sierra 4WD Crew Cab Standard Box Denali
61,052 mi.
13 days on market
1GT49RE7XLF272705
$56,372
Fair DealSingle owner
Markley Honda
Fort Collins, CO
4.6
2018 GMC Sierra SLE 4x4 Regular Cab Standard Box
41,499 mi.
13 days on market
1GTN2MEC2JZ224636
$37,499
Platinum Motors Co
Denver, CO
5.0
2022 GMC Sierra 4WD Crew Cab Short Box AT4
62,211 mi.
13 days on market
1GTUUEET1NZ613723
$47,796
Fair DealSingle owner
Red Rock Honda
Grand Junction, CO
4.3
2024 GMC Sierra AT4X 4WD Crew Cab Standard Box
25,050 mi.
13 days on market
1GT49ZEY9RF310085
$80,586
Fair Deal
Clearshift Loveland
Loveland, CO
4.8
2024 GMC Sierra 4WD Crew Cab Standard Box AT4
46,174 mi.
13 days on market
1GT49PEY7RF403952
$70,000
Good Deal
Mike Maroone Chevrolet South
Colorado Springs, CO
4.4
2018 GMC Sierra 4WD Crew Cab Standard Box SLT
142,256 mi.
13 days on market
1GT12TEY3JF230502
$35,995
Good Deal
Tommys Car Lot
Chadron, NE
4.8
2017 GMC Sierra 4WD Crew Cab Standard Box
102,004 mi.
13 days on market
3GTU2PEC2HG175784
$28,584
Fair Deal
Southwest Motors
Pueblo, CO
4.6
2020 GMC Sierra 4WD Crew Cab Short Box SLT
123,477 mi.
13 days on market
3GTU9DEL3LG218001
$31,793
Good Deal
Springs Automotive Group Platte Ave
Colorado Springs, CO
4.6
2009 GMC Sierra 4WD Crew Cab SLE SWB
136,131 mi.
13 days on market
3GTEK23M19G277758
$14,999
South Creek Auto
Longmont, CO
4.3
2026 GMC Sierra Denali 4WD Crew Cab Standard Box
13,125 mi.
13 days on market
1GT1UREY6TF103212
$80,198
Foundation Chevrolet
Wheat Ridge, CO
4.4
2020 GMC Sierra 4WD Crew Cab Short Box SLT
120,660 mi.
13 days on market
3GTU9DED3LG249578
$27,950
Good DealSingle owner
Sterling Auto Sales
Franktown, CO
4.1
2023 GMC Sierra 4WD Crew Cab Short Box AT4
47,761 mi.
13 days on market
1GTUUEE8XPZ223847
$49,990
Fair Deal
Autonation Chrysler Jeep West
Golden, CO
4.5
1992 GMC Sierra
251,967 mi.
13 days on market
2GTEK19K7N1524879
Contact Dealer
Auto Barn
Gering, NE
4.4
2015 GMC Sierra 4WD Double Cab SLT SWB
131,955 mi.
14 days on market
1GTV2VEC4FZ357878
$21,999
Fair Deal
Auto Warehouse
Brighton, CO
4.6
2019 GMC Sierra 4WD Crew Cab Short Box SLE
44,908 mi.
14 days on market
1GTP9BEK0KZ378733
$28,210
Fair DealSingle owner
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2012 GMC Sierra 4WD Crew Cab Standard Box
168,244 mi.
14 days on market
1GT125E84CF216476
$23,499
Fair Deal
Mountain States Toyota
Denver, CO
4.5
2024 GMC Sierra 4WD Crew Cab Short Box AT4X
37,086 mi.
14 days on market
3GTUUFELXRG319331
$60,590
Good Deal
Mike Maroone Gmc
Boulder, CO
5.0
2024 GMC Sierra 4WD Crew Cab Standard Box SLT
36,999 mi.
14 days on market
1GT49NEY8RF257887
$67,537
Fair Deal
Ed Bozarth Chevrolet And Buick Inc
Grand Junction, CO
4.6
2025 GMC Sierra 4WD Crew Cab Short Box Denali
29,321 mi.
14 days on market
3GTUUGE80SG126502
$59,849
Good Deal
Shortline Buick Gmc
Aurora, CO
4.0
2020 GMC Sierra 4WD Crew Cab Short Box AT4
75,347 mi.
14 days on market
3GTP9EEL6LG352052
$42,995
Fair Deal
Independent Auto Brokers
Greeley, CO
4.5
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.