Used GMC Pickup Trucks for Sale inDenver, CO

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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:
Sterling Metallic
Fuel type:
Biodiesel
Interior color:
Black (Obsidian Rush)
Transmission:
Automatic
Mileage:
32,115
Stock #:
L127641
VIN:
1GT4UZEY1SF127641
Sterling Metallic 2025 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic
Mike Maroone Chevrolet Buick GMC Longmont

Sponsored by Mike Maroone Chevrolet Buick GMC Longmont

2025 GMC Sierra 2500HD

AT4X Crew Cab 4WD

32,115 mi

Longmont, CO
28 mi away
Fair Deal
Manufacturer certified

$76,998

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:
Summit White
Fuel type:
Biodiesel
Interior color:
Dark Walnut/Slate
Transmission:
10-Speed Automatic
Mileage:
140,394
Stock #:
226361T
VIN:
1GT49MEY9MF226361
Summit White 2021 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive 10-Speed Automatic

Sponsored Listing

2021 GMC Sierra 2500HD

SLE Crew Cab 4WD

140,394 mi

Highlands Ranch, CO
13 mi away
Fair Deal

$33,722

Year:
2026
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
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
5
Stock #:
G260641
VIN:
1GTPUCEK4TZ388199
Onyx Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 1500

Elevation Crew Cab 4WD

Henderson, CO
10 mi away

New car

MSRP $57,045

$47,795

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
310 hp 2.7L I4
Exterior color:
Summit White
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
5
Stock #:
G260659
VIN:
1GTPUCEK5TZ396649
Summit White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 1500

Elevation Crew Cab 4WD

Henderson, CO
10 mi away

New car

MSRP $56,550

$47,360

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Onyx Black
Fuel type:
Diesel
Interior color:
Black (Obsidian Rush)
Transmission:
Automatic
Mileage:
120
Stock #:
L284613
VIN:
3GTUUFE84TG284613
Onyx Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,895

 

2026 GMC Sierra 1500

AT4X Crew Cab 4WD

Longmont, CO
28 mi away

New car

MSRP $84,980

$72,026

$70,026

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:
Summit White
Fuel type:
Biodiesel
Interior color:
Jet Black with Kalahari accents
Transmission:
Automatic
Mileage:
35,681
Stock #:
WP8597
VIN:
1GT4UPEY9SF369470
Summit White 2025 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,790

 

2025 GMC Sierra 2500HD

AT4 Crew Cab 4WD

35,681 mi

Thornton, CO
9 mi away
Good Deal

$67,974

$65,983

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Onyx Black
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
5
Stock #:
TZ114794
VIN:
1GTUUGE8XTZ114794
Onyx Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

Denali Crew Cab 4WD

Golden, CO
11 mi away

New car

MSRP $80,340

$65,999

$63,999

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Glacier White Tricoat
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
10
Stock #:
G260703
VIN:
3GTUUGE81TG298460
Glacier White Tricoat 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$1,505

 

2026 GMC Sierra 1500

Denali Crew Cab 4WD

Henderson, CO
10 mi away

New car

MSRP $75,279

$64,841

$63,336

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Sterling Metallic
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
2,552
Stock #:
G330164
VIN:
3GTUUDE87TG330164
Sterling Metallic 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,895

 

2026 GMC Sierra 1500

SLT Crew Cab 4WD

Boulder, CO
23 mi away

New car

MSRP $69,430

$56,763

$54,763

Year:
2026
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:
Alpine Umber
Transmission:
Automatic
Mileage:
6
Stock #:
G260603
VIN:
1GTUUHEL8TZ374816
Onyx Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 1500

Denali Ultimate Crew Cab 4WD

Henderson, CO
10 mi away

New car

MSRP $88,930

$75,854

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:
Sterling Metallic
Fuel type:
Biodiesel
Interior color:
Jet Black with Kalahari accents
Transmission:
Automatic
Mileage:
32,138
Stock #:
MP8660
VIN:
1GT4UPEYXSF369994
Sterling Metallic 2025 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,961

 

2025 GMC Sierra 2500HD

AT4 Crew Cab 4WD

32,138 mi

Thornton, CO
9 mi away
Good Deal

$67,658

$65,496

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Sterling Metallic
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
3
Stock #:
TZ507014
VIN:
1GTUUCE85TZ507014
Sterling Metallic 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

Elevation Crew Cab 4WD

Lone Tree, CO
14 mi away

New car

MSRP $66,990

$54,539

$52,539

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Summit White
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
53
Stock #:
TZ509551
VIN:
1GTUUCE88TZ509551
Summit White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

Elevation Crew Cab 4WD

Lone Tree, CO
14 mi away

New car

MSRP $62,700

$51,249

$49,249

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:
Sterling Metallic
Combined gas mileage:
18 MPG
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
8-Speed Automatic
Mileage:
19,692
Stock #:
M106223
VIN:
3GTPUJEK9SG106223
Sterling Metallic 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive 8-Speed Automatic
Price drop

-$1,971

 

2025 GMC Sierra 1500

Elevation Standard Crew Cab 4WD

19,692 mi

Denver, CO
7 mi away
Fair Deal

$41,917

$40,745

Year:
2020
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Blue
Combined gas mileage:
19 MPG
Fuel type:
Gasoline
Interior color:
Brown (Tan)
Transmission:
Automatic
Mileage:
164,393
Stock #:
145226
VIN:
3GTU9DED0LG145226
Blue 2020 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

Sponsored Listing

2020 GMC Sierra 1500

SLT Crew Cab 4WD

164,393 mi

Denver, CO
5 mi away
Good Deal

$23,424

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:
Sterling Metallic
Fuel type:
Biodiesel
Interior color:
Black (Obsidian Rush)
Transmission:
Automatic
Mileage:
32,115
Stock #:
L127641
VIN:
1GT4UZEY1SF127641
Sterling Metallic 2025 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic
Mike Maroone Chevrolet Buick GMC Longmont

Sponsored by Mike Maroone Chevrolet Buick GMC Longmont

2025 GMC Sierra 2500HD

AT4X Crew Cab 4WD

32,115 mi

Longmont, CO
28 mi away
Fair Deal
Manufacturer certified

$76,998

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:
Summit White
Fuel type:
Biodiesel
Interior color:
Dark Walnut/Slate
Transmission:
10-Speed Automatic
Mileage:
140,394
Stock #:
226361T
VIN:
1GT49MEY9MF226361
Summit White 2021 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive 10-Speed Automatic

Sponsored Listing

2021 GMC Sierra 2500HD

SLE Crew Cab 4WD

140,394 mi

Highlands Ranch, CO
13 mi away
Fair Deal

$33,722

Year:
2026
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
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
5
Stock #:
G260641
VIN:
1GTPUCEK4TZ388199
Onyx Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 1500

Elevation Crew Cab 4WD

Henderson, CO
10 mi away

New car

MSRP $57,045

$47,795

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
310 hp 2.7L I4
Exterior color:
Summit White
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
5
Stock #:
G260659
VIN:
1GTPUCEK5TZ396649
Summit White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 1500

Elevation Crew Cab 4WD

Henderson, CO
10 mi away

New car

MSRP $56,550

$47,360

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Onyx Black
Fuel type:
Diesel
Interior color:
Black (Obsidian Rush)
Transmission:
Automatic
Mileage:
120
Stock #:
L284613
VIN:
3GTUUFE84TG284613
Onyx Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,895

 

2026 GMC Sierra 1500

AT4X Crew Cab 4WD

Longmont, CO
28 mi away

New car

MSRP $84,980

$72,026

$70,026

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:
Summit White
Fuel type:
Biodiesel
Interior color:
Jet Black with Kalahari accents
Transmission:
Automatic
Mileage:
35,681
Stock #:
WP8597
VIN:
1GT4UPEY9SF369470
Summit White 2025 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,790

 

2025 GMC Sierra 2500HD

AT4 Crew Cab 4WD

35,681 mi

Thornton, CO
9 mi away
Good Deal

$67,974

$65,983

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Onyx Black
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
5
Stock #:
TZ114794
VIN:
1GTUUGE8XTZ114794
Onyx Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

Denali Crew Cab 4WD

Golden, CO
11 mi away

New car

MSRP $80,340

$65,999

$63,999

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Glacier White Tricoat
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
10
Stock #:
G260703
VIN:
3GTUUGE81TG298460
Glacier White Tricoat 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$1,505

 

2026 GMC Sierra 1500

Denali Crew Cab 4WD

Henderson, CO
10 mi away

New car

MSRP $75,279

$64,841

$63,336

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Sterling Metallic
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
2,552
Stock #:
G330164
VIN:
3GTUUDE87TG330164
Sterling Metallic 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,895

 

2026 GMC Sierra 1500

SLT Crew Cab 4WD

Boulder, CO
23 mi away

New car

MSRP $69,430

$56,763

$54,763

Year:
2026
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:
Alpine Umber
Transmission:
Automatic
Mileage:
6
Stock #:
G260603
VIN:
1GTUUHEL8TZ374816
Onyx Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 1500

Denali Ultimate Crew Cab 4WD

Henderson, CO
10 mi away

New car

MSRP $88,930

$75,854

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:
Sterling Metallic
Fuel type:
Biodiesel
Interior color:
Jet Black with Kalahari accents
Transmission:
Automatic
Mileage:
32,138
Stock #:
MP8660
VIN:
1GT4UPEYXSF369994
Sterling Metallic 2025 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,961

 

2025 GMC Sierra 2500HD

AT4 Crew Cab 4WD

32,138 mi

Thornton, CO
9 mi away
Good Deal

$67,658

$65,496

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Sterling Metallic
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
3
Stock #:
TZ507014
VIN:
1GTUUCE85TZ507014
Sterling Metallic 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

Elevation Crew Cab 4WD

Lone Tree, CO
14 mi away

New car

MSRP $66,990

$54,539

$52,539

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Summit White
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
53
Stock #:
TZ509551
VIN:
1GTUUCE88TZ509551
Summit White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

Elevation Crew Cab 4WD

Lone Tree, CO
14 mi away

New car

MSRP $62,700

$51,249

$49,249

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:
Sterling Metallic
Combined gas mileage:
18 MPG
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
8-Speed Automatic
Mileage:
19,692
Stock #:
M106223
VIN:
3GTPUJEK9SG106223
Sterling Metallic 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive 8-Speed Automatic
Price drop

-$1,971

 

2025 GMC Sierra 1500

Elevation Standard Crew Cab 4WD

19,692 mi

Denver, CO
7 mi away
Fair Deal

$41,917

$40,745

Year:
2020
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Blue
Combined gas mileage:
19 MPG
Fuel type:
Gasoline
Interior color:
Brown (Tan)
Transmission:
Automatic
Mileage:
164,393
Stock #:
145226
VIN:
3GTU9DED0LG145226
Blue 2020 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

Sponsored Listing

2020 GMC Sierra 1500

SLT Crew Cab 4WD

164,393 mi

Denver, CO
5 mi away
Good Deal

$23,424

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