Used GMC Pickup Trucks for Sale inLongmont, CO
1,883 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Summit White
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 10-Speed Automatic
- Mileage:
- 86,114
- Stock #:
- 216148T
- VIN:
- 1GTU9FEL7LZ216148
Sponsored by ClearShift
2020 GMC Sierra 1500
Denali Crew Cab 4WD
86,114 mi
Highlands Ranch, CO
42 mi away
Fair Deal
$37,416
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 2.7L I4
- Exterior color:
- Downpour Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black, Cloth Seat Trim
- Transmission:
- Automatic
- Mileage:
- 17,288
- Stock #:
- ASZ325716
- VIN:
- 1GTPUCEK4SZ325716
Sponsored Listing
2025 GMC Sierra 1500
Elevation Crew Cab 4WD
17,288 mi
Aurora, CO
33 mi away
Good Deal
$45,382
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Downpour Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 31,717
- Stock #:
- RZ382624
- VIN:
- 1GTUUDED3RZ382624
New arrival
Sponsored Listing
2024 GMC Sierra 1500
SLT Crew Cab 4WD
31,717 mi
Englewood, CO
41 mi away
Fair Deal
$47,998
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 2.7L I4
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black, Cloth Seat Trim
- Transmission:
- Automatic
- Mileage:
- 19,237
- Stock #:
- ARZ249906
- VIN:
- 1GTPUAEK3RZ249906
2024 GMC Sierra 1500
Pro Crew Cab 4WD
19,237 mi
Aurora, CO
33 mi away
Good Deal
$36,178
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Pacific Blue Metallic
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 111,297
- Stock #:
- PF129338C
- VIN:
- 1GT49PEY3PF129338
2023 GMC Sierra 2500HD
AT4 Crew Cab 4WD
111,297 mi
Wheat Ridge, CO
26 mi away
Great Deal
$45,997
- Year:
- 2015
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Onyx Black
- Fuel type:
- Diesel
- Interior color:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic
- Mileage:
- 139,587
- Stock #:
- 6717AW-2
- VIN:
- 1GT120E89FF676109
2015 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
139,587 mi
Fort Collins, CO
25 mi away
Good Deal
$34,076
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 360 hp 6L V8 Flex Fuel Vehicle
- Exterior color:
- White
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Gray
- Transmission:
- 6-Speed Automatic
- Mileage:
- 89,965
- Stock #:
- B52274
- VIN:
- 1GT42TCG0KF229350
Price drop
-$1,500
2019 GMC Sierra 3500HD
Crew Cab 4WD
89,965 mi
Denver, CO
35 mi away
Great Deal
$28,487
$26,987
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- White Frost Tricoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Atmosphere/Brownstone
- Transmission:
- Automatic
- Mileage:
- 32,166
- Stock #:
- 11164VP
- VIN:
- 3GTUUGED5RG319638
2024 GMC Sierra 1500
Denali Crew Cab 4WD
32,166 mi
Thornton, CO
20 mi away
Good Deal
$53,798
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Pacific Blue Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Alpine Umber
- Transmission:
- Automatic
- Mileage:
- 43,236
- Stock #:
- 9338261A
- VIN:
- 1GTUUHEL7PZ246864
Price drop
-$1,870
2023 GMC Sierra 1500
Denali Ultimate Crew Cab 4WD
43,236 mi
Boulder, CO
12 mi away
Good Deal
$56,632
$54,762
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- White Frost Tricoat
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 51,575
- Stock #:
- MP7298A
- VIN:
- 1GT49REY7LF331606
Price drop
-$1,600
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
51,575 mi
Northglenn, CO
20 mi away
Great Deal
$56,389
$54,789
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black (Obsidian Rush)
- Transmission:
- Automatic
- Mileage:
- 49,299
- Stock #:
- G660894A
- VIN:
- 3GTUUFEL0PG212852
2023 GMC Sierra 1500
AT4X Crew Cab 4WD
49,299 mi
Brighton, CO
21 mi away
Good Deal
$53,746
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- White Frost Tricoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Alpine Umber
- Transmission:
- Automatic
- Mileage:
- 26,704
- Stock #:
- TLA87149A
- VIN:
- 1GTUUHEL7RZ187897
New arrival
2024 GMC Sierra 1500
Denali Ultimate Crew Cab 4WD
26,704 mi
Northglenn, CO
20 mi away
Good Deal
$60,789
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 2 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 2.7L I4
- Exterior color:
- Thunderstorm Gray
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 19,967
- Stock #:
- TKE74414A
- VIN:
- 3GTNUAEK6SG192078
New arrival
2025 GMC Sierra 1500
Pro Regular Cab 4WD
19,967 mi
Northglenn, CO
20 mi away
Fair Deal
$36,789
- Year:
- 2025
- Make:
- GMC
- Model:
- Canyon
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 2.7L I4
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black/Teak
- Transmission:
- Automatic
- Mileage:
- 38,710
- Stock #:
- U16881
- VIN:
- 1GTP2FEK0S1146269
2025 GMC Canyon
Denali Crew Cab 4WD
38,710 mi
Henderson, CO
23 mi away
Great Deal
$43,094
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 2 doors
- Drivetrain:
- 4X2
- Engine:
- 4.3L V6 Flex Fuel Vehicle
- Exterior color:
- White
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 85,192
- Stock #:
- B52381
- VIN:
- 3GTN8AEH3MG103160
Price drop
-$1,100
2021 GMC Sierra 1500
LB RWD
85,192 mi
Denver, CO
35 mi away
Great Deal
$19,487
$18,387
- Year:
- 2014
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 5.3L V8 Flex Fuel Vehicle
- Exterior color:
- Quicksilver Metallic
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 67,774
- Stock #:
- P315690
- VIN:
- 3GTU2VEC4EG315690
New arrival
2014 GMC Sierra 1500
SLT Crew Cab 4WD
67,774 mi
Denver, CO
34 mi away
Fair Deal
$26,599
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Cayenne Red Tintcoat
- Combined gas mileage:
- 16 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 60,158
- Stock #:
- NZ556935P
- VIN:
- 1GTUUGELXNZ556935
Price drop
-$1,799
2022 GMC Sierra 1500
Denali Crew Cab 4WD
60,158 mi
Wheat Ridge, CO
26 mi away
Good Deal
$46,097
$45,097
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Pacific Blue Metallic
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 70,225
- Stock #:
- MF272534
- VIN:
- 1GT19PEY7MF272534
New arrival
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
70,225 mi
Lone Tree, CO
43 mi away
Fair Deal
$55,000
- Year:
- 2024
- Make:
- GMC
- Model:
- Canyon
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 2.7L I4
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black (Obsidian Rush)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 8,500
- Stock #:
- R1176548C
- VIN:
- 1GTP6EEKXR1176548
2024 GMC Canyon
AT4X Crew Cab 4WD
8,500 mi
Wheat Ridge, CO
26 mi away
Great Deal
$44,598
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Thunderstorm Gray
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 14,298
- Stock #:
- AP8572
- VIN:
- 3GTUUCED5RG462498
2024 GMC Sierra 1500
Elevation Crew Cab 4WD
14,298 mi
Thornton, CO
20 mi away
Good Deal
$47,687
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- White Frost Tricoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black, Perforated Leather-Appointed Front Outb
- Transmission:
- Automatic
- Mileage:
- 47,237
- Stock #:
- TRG232648
- VIN:
- 3GTUUDED2RG232648
2024 GMC Sierra 1500
SLT Crew Cab 4WD
47,237 mi
Highlands Ranch, CO
42 mi away
Good Deal
$45,874
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Downpour Metallic
- Fuel type:
- Biodiesel
- Interior color:
- Alpine Umber
- Transmission:
- Automatic
- Mileage:
- 22,258
- Stock #:
- SF131707C
- VIN:
- 1GT4UXEY8SF131707
Price drop
-$2,599
2025 GMC Sierra 2500HD
Denali Ultimate Crew Cab 4WD
22,258 mi
Wheat Ridge, CO
26 mi away
Great Deal
$77,597
$75,797
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Pacific Blue Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 47,112
- Stock #:
- P284446
- VIN:
- 1GT49ME79NF284446
Price drop
-$3,909
2022 GMC Sierra 2500HD
SLE Crew Cab 4WD
47,112 mi
Longmont, CO
3 mi away
Fair Deal
$47,741
$44,727
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Volcanic Red Tintcoat
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 33,819
- Stock #:
- TG358529B
- VIN:
- 1GT4UPEY3SF147054
New arrival
Sponsored Listing
2025 GMC Sierra 2500HD
AT4 Crew Cab 4WD
33,819 mi
Loveland, CO
19 mi away
Fair Deal
$73,057
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