1,292 Used Gmc Sierra for Sale Near Thornton, CO

Save search
gmc
Model: sierra
search within 250 miles
Sponsored
2023 GMC Sierra 4WD Crew Cab Short Box SLE's photo

2023 GMC Sierra 4WD Crew Cab Short Box SLE

75,473 mi.

63 days on market

3GTPUBEK6PG272017

$33,988
Great DealSingle ownerClean title
Family Trucks And Vans
Denver, CO
2024 GMC Sierra Denali 4WD Crew Cab Short Box's photo

2024 GMC Sierra Denali 4WD Crew Cab Short Box

24,855 mi.

11 days on market

1GTUUGEL0RZ291464

$64,994
Fair Deal
Grand Valley Auto Grand Junction
Grand Junction, CO
4.6
2007 GMC Sierra 4WD Regular Cab Work Truck LWB's photo

2007 GMC Sierra 4WD Regular Cab Work Truck LWB

211,446 mi.

11 days on market

1GTEK14C07Z533451

$6,900
Lewellen Motors Llc
Lewellen, NE
5.0
2026 GMC Sierra 4WD Crew Cab Long Box DRW SLE's photo

2026 GMC Sierra 4WD Crew Cab Long Box DRW SLE

12,810 mi.

11 days on market

1GT4UTEY5TF143243

Contact Dealer
Lewellen Motors Llc
Lewellen, NE
5.0
2023 GMC Sierra AT4 4WD Crew Cab Short Box's photo

2023 GMC Sierra AT4 4WD Crew Cab Short Box

25,198 mi.

12 days on market

1GTUUEEL4PZ142413

$57,100
Fair Deal
Transwest Chevrolet
Sterling, CO
3.9
2024 GMC Sierra 4WD Crew Cab Short Box Denali Ultimate's photo

2024 GMC Sierra 4WD Crew Cab Short Box Denali Ultimate

59,491 mi.

12 days on market

1GTUUHEL3RZ182521

$58,988
Great DealClean title
The Sharpest Rides
Englewood, CO
4.5
2018 GMC Sierra 4WD Crew Cab Standard Box Denali's photo

2018 GMC Sierra 4WD Crew Cab Standard Box Denali

122,859 mi.

12 days on market

1GT12UEY0JF267528

$44,990
Fair Deal
Urban Motors
Denver, CO
4.8
2022 GMC Sierra 4WD Double Cab Standard Box Elevation's photo

2022 GMC Sierra 4WD Double Cab Standard Box Elevation

56,623 mi.

12 days on market

1GTR9CEK4NZ190395

$32,310
Fair Deal
Weld County Garage
Greeley, CO
4.6
2019 GMC Sierra 4WD Crew Cab Standard Box Denali's photo

2019 GMC Sierra 4WD Crew Cab Standard Box Denali

84,917 mi.

12 days on market

1GT12SEY4KF139525

$48,290
Fair Deal
Weld County Garage
Greeley, CO
4.6
2023 GMC Sierra 4WD Crew Cab Short Box AT4X's photo

2023 GMC Sierra 4WD Crew Cab Short Box AT4X

43,100 mi.

12 days on market

3GTUUFEL6PG110746

Contact Dealer
Corwin Honda Colorado Springs
Colorado Springs, CO
4.4
2020 GMC Sierra 4WD Crew Cab Short Box Elevation's photo

2020 GMC Sierra 4WD Crew Cab Short Box Elevation

107,340 mi.

12 days on market

3GTU9CET2LG454505

$31,250
Good Deal
Autonation Chrysler Jeep West
Golden, CO
4.5
2026 GMC Sierra 4WD Crew Cab Short Box AT4X's photo

2026 GMC Sierra 4WD Crew Cab Short Box AT4X

801 mi.

12 days on market

3GTUUFE87TG171349

$74,999
Good DealSingle owner
Autonation Buick Gmc West
Golden, CO
4.3
2015 GMC Sierra 4WD Crew Cab SLT SWB's photo

2015 GMC Sierra 4WD Crew Cab SLT SWB

94,343 mi.

12 days on market

3GTU2VEC6FG374533

$29,199
Fair DealSingle ownerClean title
Pueblo Dodge Chrysler Jeep Ram
Pueblo, CO
4.4
1998 GMC Sierra K2500 SL CLUB COUPE SWB HD's photo

1998 GMC Sierra K2500 SL CLUB COUPE SWB HD

136,914 mi.

12 days on market

1GTGK29J9WE524985

$12,762
Good Deal
Reds Auto And Truck
Longmont, CO
4.7
2023 GMC Sierra SLE 4WD Double Cab Standard Box's photo

2023 GMC Sierra SLE 4WD Double Cab Standard Box

49,127 mi.

12 days on market

1GTRUBED0PZ287655

$35,586
Fair Deal
Clearshift Loveland
Loveland, CO
4.8
2023 GMC Sierra 4WD Crew Cab Short Box Elevation's photo

2023 GMC Sierra 4WD Crew Cab Short Box Elevation

31,574 mi.

12 days on market

3GTPUCEK5PG233148

$43,290
Fair Deal
Vista Toyota
Casper, WY
4.7
2025 GMC Sierra AT4X 4WD Crew Cab Standard Box's photo

2025 GMC Sierra AT4X 4WD Crew Cab Standard Box

23,015 mi.

12 days on market

1GT4UZEY3SF210195

$85,998
Fair Deal
Foundation Chevrolet
Wheat Ridge, CO
4.4
2022 GMC Sierra 4WD Crew Cab Standard Box Pro's photo

2022 GMC Sierra 4WD Crew Cab Standard Box Pro

83,144 mi.

12 days on market

1GD49SEY7NF337377

$48,881
Fair Deal
Interstate Ford
Dacono, CO
4.7
2011 GMC Sierra WT 4x4 Extended Cab LWB's photo

2011 GMC Sierra WT 4x4 Extended Cab LWB

60,290 mi.

12 days on market

1GD522CLXBZ251670

$29,400
Single owner
Columbine Ford
Rifle, CO
4.7
2021 GMC Sierra 4WD Crew Cab Standard Box AT4's photo

2021 GMC Sierra 4WD Crew Cab Standard Box AT4

23,570 mi.

12 days on market

1GT49VEY0MF283442

$64,484
Fair Deal
Morehart Murphy Regional Auto Center
Durango, CO
4.2
2015 GMC Sierra 4WD Double Cab SLE SWB's photo

2015 GMC Sierra 4WD Double Cab SLE SWB

92,221 mi.

12 days on market

1GTV2UEC9FZ180075

$23,999
Fair Deal
Ultimate Machines
Denver, CO
3.8
2016 GMC Sierra 4WD Crew Cab Standard Box SLT's photo

2016 GMC Sierra 4WD Crew Cab Standard Box SLT

106,761 mi.

12 days on market

1GT42XC82GF238509

$40,656
Fair Deal
Mike Maroone Ford Longmont
Longmont, CO
4.4
2012 GMC Sierra 4WD Crew Cab 6.5ft SLE's photo

2012 GMC Sierra 4WD Crew Cab 6.5ft SLE

85,661 mi.

12 days on market

1GT120CG0CF212714

$22,900
Fair Deal
Lewellen Motors Llc
Lewellen, NE
5.0
2023 GMC Sierra 4WD Crew Cab Standard Box AT4's photo

2023 GMC Sierra 4WD Crew Cab Standard Box AT4

16,614 mi.

12 days on market

1GT49PEY7PF177876

$64,750
Fair Deal
Autonation Chrysler Dodge Jeep Ram Southwest
Littleton, CO
3.9
1995 GMC Sierra's photo

1995 GMC Sierra

194,884 mi.

12 days on market

1GTGK24N9SZ568966

$9,595
Good Deal
John Roberts Motor Works Company
Gunnison, CO
4.2
2023 GMC Sierra 4WD Crew Cab Standard Box Denali's photo

2023 GMC Sierra 4WD Crew Cab Standard Box Denali

26,691 mi.

13 days on market

1GT49WEY3PF240210

$68,921
Fair Deal
Clearshift
Loveland, CO
4.8
2022 GMC Sierra 4WD Crew Cab Short Box Elevation's photo

2022 GMC Sierra 4WD Crew Cab Short Box Elevation

148,975 mi.

13 days on market

3GTPUCEK8NG524577

$28,499
Good Deal
Platinum Motors Co
Denver, CO
5.0
2002 GMC Sierra 2500 SLT 4X4 Extended Cab Swb's photo

2002 GMC Sierra 2500 SLT 4X4 Extended Cab Swb

131,040 mi.

13 days on market

1GTGK29U82Z229664

$14,995
Good Deal
Akron Auto
Akron, CO
4.2
2024 GMC Sierra 4WD Crew Cab Short Box Denali's photo

2024 GMC Sierra 4WD Crew Cab Short Box Denali

6,572 mi.

13 days on market

3GTUUGEL1RG403642

$62,927
Fair DealSingle owner
Alpine Buick Gmc
Highlands Ranch, CO
4.3
Prev
8910
Next

Showing 225 - 252 from 1,292 results

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.