USED GMC SIERRA IN BOULDER CO BY YEARS

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Used Gmc Sierra For Sale In Boulder Co

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2023 GMC Sierra

$55,000

MILEAGE 20,976 Miles

SPECS

1GTUUGE86PZ334536
6-Cylinder Turbo
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

Alloy wheels
Auto High-beam Headlights
Auto-dimming door mirrors
Bumpers: body-color
Delay-off headlights

Mike Maroone Cadillac

Boulder, CO

Listed 1 days

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Clean CARFAX.Certified. 10-Speed Automatic, 4WD, Black Leather.GMC Dealership Serving Boulder, CO Drivers Mike Maroone GMC GMC Sales, Service, and Parts in Boulder, CO If you have been longing to get into a new GMC close to Boulder, CO, then right no...

2023 GMC Sierra

$48,500

MILEAGE 32,502 Miles

SPECS

3GTUUDED0PG345656
EcoTec3 V8 engine 5.3L
Automatic
Gasoline
4WD
Pickup

HIGHLIGHTS

13.4" diagonal GMC Premium Infotainment System with Google built-in
6-speaker audio system
Bluetooth
Steering-wheel mounted controls
Wi-Fi hotspot capable

Mike Maroone Cadillac Buick GMC

Boulder, CO

Listed 1 days

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Clean CARFAX.Recent Arrival! Certified. 10-Speed Automatic, 4WD, Jet Black Leather.GMC Dealership Serving Boulder, CO Drivers Mike Maroone GMC GMC Sales, Service, and Parts in Boulder, CO If you have been longing to get into a new GMC close to Boul...

2021 GMC Sierra

$31,000

MILEAGE 45,330 Miles

SPECS

3GTU9BET8MG356574
6-Cylinder Turbo
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

Alloy wheels
Bumpers: chrome
Chrome Grille
Delay-off headlights
Fully automatic headlights

Corwin Toyota Boulder

Boulder, CO

Listed 4 days

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Discover the exceptional value and capabilities of this 2021 GMC Sierra 1500 SLE. With its powerful 3.0L I6 engine, 4-wheel drive, and impressive fuel economy of 22 city/26 highway MPG, this truck is engineered to handle your toughest tasks with ease...

2024 GMC Sierra

Contact Seller for Price

MILEAGE Contact seller

SPECS

3GTUUGE82RG294619
6 Cyl
Automatic
Diesel
4WD
Pickup

Boulder Motors, LLC

Boulder, CO

Listed 5 days

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2026 GMC Sierra

$49,161

MILEAGE 4,061 Miles

SPECS

3GTPUJEK9TG145721
TurboMax<sup>™</sup> engin
Automatic
Gasoline
4WD
Pickup

HIGHLIGHTS

13.4" diagonal GMC Premium Infotainment System with Google built-in
6-speaker audio system
Bluetooth
SiriusXM with 360L Trial Subscription
Steering-wheel mounted controls

Mike Maroone Cadillac

Boulder, CO

Listed 5 days

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Summit White 2026 GMC Sierra 1500 Elevation 4WD 8-Speed Automatic 2.7L I4 Turbocharged DOHC 16V LEV3-SULEV30 310hp 8-Speed Automatic, 4WD, Black Cloth.GMC Dealership Serving Boulder, CO Drivers Mike Maroone GMC GMC Sales, Service, and Parts in Boul...

2013 GMC Sierra

Contact Seller for Price

MILEAGE 221,401 Miles

SPECS

1GTN2TE01DZ359868
V-8 cyl 5.3L
6-speed Automatic
Flex Fuel
4WD
Pickup

HIGHLIGHTS

Bumpers
Rear cargo
Rear step bumper
Trailer hitch receiver
Trailer sway control

Corwin Toyota Boulder

Boulder, CO

Listed 5 days

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2013 Summit White GMC Sierra 1500 Work Truck Clean CARFAX.Reviews: * Smooth, quiet ride; comfortable seats; powerful V8 options. Source: Edmunds * If your towing needs run in the 7,000-10,000 pound range, a compact pickup isnât going to cut it; t...

2016 GMC Sierra

$27,500

MILEAGE 92,499 Miles

SPECS

3GTU2NEC6GG162281
V-8 cyl 5.3L
Automatic
Gasoline
4WD
Pickup

HIGHLIGHTS

Fuel System
Fuel tank capacity
Horsepower
Max seating capacity

Mike Maroone Cadillac

Boulder, CO

Listed 7 days

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Clean CARFAX.Recent Arrival! 8-Speed Automatic with Overdrive, 4WD, Dark Ash Seats With Jet Black Interior Accents Leather.GMC Dealership Serving Boulder, CO Drivers Mike Maroone GMC GMC Sales, Service, and Parts in Boulder, CO If you have been lon...

2026 GMC Sierra

$46,570

MILEAGE 2,585 Miles

SPECS

1GTRUJEK1TZ159038
TurboMax<sup>™</sup> engin
Automatic
Gasoline
4WD
Pickup

HIGHLIGHTS

13.4" diagonal GMC Premium Infotainment System with Google built-in
6-speaker audio system
Bluetooth
SiriusXM with 360L Trial Subscription
Steering-wheel mounted controls

Mike Maroone Cadillac

Boulder, CO

Listed 8 days

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Sterling Metallic 2026 GMC Sierra 1500 Elevation 4WD 8-Speed Automatic 2.7L I4 Turbocharged DOHC 16V LEV3-SULEV30 310hp FREE DELIVERY ANYWHERE IN COLORADO, LOCAL TRADE IN, COME TEST DRIVE!, SET YOUR TEST DRIVE APPOINTMENT TODAY, 8-Speed Automatic, 4W...

2021 GMC Sierra

$30,800

MILEAGE 109,537 Miles

SPECS

1GTU9DETXMZ164407
3.0L I6
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

Stats & Features
Driver Alert Package I
Driver Alert Package II
Preferred Equipment Group 4SA
SLT Convenience Package

Mike Maroone Cadillac

Boulder, CO

Listed 8 days

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CARFAX One-Owner. Clean CARFAX. 10-Speed Automatic, 4WD, Dark Walnut/Slate Leather. GMC Dealership Serving Boulder, CO Drivers Mike Maroone GMC GMC Sales, Service, and Parts in Boulder, CO If you have been longing to get into a new GMC close to Bould...

2004 GMC Sierra

$12,990

MILEAGE 145,730 Miles

SPECS

1GTEK14V74Z284658
285 hp 4.8L V8
Gasoline
4WD
Pickup

HIGHLIGHTS

Solid Smooth Ride Suspension Package
Suspension Package
Chrome Wheels
Skid Plate Package

4.8

Fisher Honda Acura

Boulder, CO

Listed 8 days

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Black 2004 4WD GMC Sierra 1500 Vortec 4.8L V8 SFI Vortec 4.8L V8 SFI, 4WD. Recent Arrival! VISIT US TODAY Fisher Auto of Boulder serves the greater Denver area including Longmont, Broomfield, Lafayette, Louisville, Erie, Westminster, Thornton and B...

2023 GMC Sierra

$46,500

MILEAGE 34,928 Miles

SPECS

3GTUUDE88PG254931
6 Cyl
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

6 Speakers
7 Speakers
Android Auto
Apple Carplay
Bose Sound System

Corwin Toyota Boulder

Boulder, CO

Listed 10 days

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2025 GMC Sierra HD

$73,798

MILEAGE 20,621 Miles

SPECS

1GT4UPEY6SF203732
470 hp 6.6L V8 Biodiesel
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

Sunroof/Moonroof
Alloy Wheels
Preferred Package
Technology Package
Blind Spot Monitoring

Emich Volkswagen of Boulder

Boulder, CO

Listed 14 days

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Experience the ultimate in power, capability, and style with the 2025 GMC Sierra 2500HD AT4. This impressive heavy-duty pickup is engineered to conquer any terrain, whether you're tackling off-road adventures or hauling heavy loads. - Power-Retracta...

2019 GMC Sierra

$38,000

MILEAGE 79,309 Miles

SPECS

1GTU9FEL6KZ122177
420 hp 6.2L V8
Automatic
Gasoline
4WD
Pickup

HIGHLIGHTS

Sunroof/Moonroof
Navigation System
Alloy Wheels
Technology Package
Adaptive Suspension

Corwin Toyota Boulder

Boulder, CO

Listed 15 days

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Elevate your driving experience with this exceptional 2019 GMC Sierra 1500 Denali. Boasting a powerful EcoTec3 6.2L V8 engine and a sleek Red Quartz Tintcoat exterior, this truck is ready to conquer any road with its impressive 4WD capabilities. - G...

2025 GMC Sierra HD

$74,990

MILEAGE 18,725 Miles

SPECS

1GT4UPEY3SF106973
470 hp 6.6L V8 Biodiesel
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

Leather Seats
Sunroof/Moonroof
Navigation System
Adaptive Cruise Control
Alloy Wheels

Fisher Auto

Boulder, CO

Listed 23 days

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Onyx Black 2025 4WD GMC Sierra 2500HD AT4 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather. Recent Arrival! VISIT US TODAY Fisher Auto of Boulder serves the greater Denver area includin...

2021 GMC Sierra

$33,650

MILEAGE 74,702 Miles

SPECS

3GTU9CED5MG152877
8 Cyl
Automatic
Gasoline
4WD
Pickup

HIGHLIGHTS

6 Speakers
Android Auto
Apple Carplay
GMC Infotainment System
IntelliLink

Corwin Toyota Boulder

Boulder, CO

Listed 27 days

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2023 GMC Sierra

$60,686

MILEAGE 43,236 Miles

SPECS

1GTUUHEL7PZ246864
420 hp 6.2L V8
Automatic
Gasoline
4WD
Pickup

HIGHLIGHTS

Leather Seats
Sunroof/Moonroof
Navigation System
Adaptive Cruise Control
Alloy Wheels

4.8

Gebhardt BMW

Boulder, CO

Listed 33 days

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Preferred Equipment Group 5SB,3.23 Rear Axle Ratio,Auto-Locking Rear Differential,Wheels: 22" 7-Spoke Ultra-Bright Machined,Full Grain Leather Seat Trim,16-Way Power Driver Seat Adjuster w/Lumbar,Denali Premium Suspension w/Adaptive Ride Control,Radi...

2025 GMC Sierra HD

$81,724

MILEAGE 2,854 Miles

SPECS

1GT4UREY9SF153324
8 Cyl
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

7 Speakers
Android Auto
Apple Carplay
Bose Sound System
GMC Infotainment System

Mike Maroone Cadillac

Boulder, CO

Listed 46 days

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2020 GMC Sierra

$39,509

MILEAGE 82,113 Miles

SPECS

3GTP9EEL2LG253017
Engine: , EcoTec3 V-8, DI, Dynam
Automatic
Gasoline
4WD
Pickup

HIGHLIGHTS

Fuel System
Fuel tank capacity
Horsepower
Max seating capacity

Mike Maroone Cadillac

Boulder, CO

Listed 48 days

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2014 GMC Sierra

$18,990

MILEAGE 107,005 Miles

SPECS

1GTV2UEC3EZ388886
5.3L V8 Flex Fuel Vehicle
6-speed Automatic Overdrive
Gasoline
4WD
Pickup

HIGHLIGHTS

Value Package
Backup Camera
Alloy Wheels

Fisher Auto

Boulder, CO

Listed 54 days

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White 2014 4WD GMC Sierra 1500 SLE 6-Speed Automatic Electronic with Overdrive EcoTec3 5.3L V8 Flex Fuel 6-Speed Automatic Electronic with Overdrive, 4WD, Jet Black Cloth. Recent Arrival! VISIT US TODAY Fisher Auto of Boulder serves the greater Den...

2025 GMC Sierra

$50,997

MILEAGE 3,033 Miles

SPECS

1GTUUCE8XSZ145504
3L I6 Diesel
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

Navigation System
Storage Package
Adaptive Cruise Control
Suspension Package
Alloy Wheels

Fisher Auto

Boulder, CO

Listed 73 days

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Onyx Black 2025 4WD GMC Sierra 1500 Elevation 10-Speed Automatic 3.0L I6 10-Speed Automatic, 4WD, Black Cloth. Recent Arrival! 22/26 City/Highway MPG VISIT US TODAY Fisher Auto of Boulder serves the greater Denver area including Longmont, Broomfiel...

2019 GMC Sierra

$29,500

MILEAGE 116,928 Miles

SPECS

3GTU9DED9KG118475
355 hp 5.3L V8
8-speed Automatic
Gasoline
4WD
Pickup

HIGHLIGHTS

Leather Seats
Navigation System
Bluetooth
Backup Camera
Remote Start

Corwin Toyota Boulder

Boulder, CO

Listed 91 days

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Experience the perfect blend of power, luxury, and advanced technology with the 2019 GMC Sierra 1500 SLT. Dressed in a sleek Onyx Black exterior, this robust truck is powered by an EcoTec3 5.3L V8 engine delivering an impressive 355 horsepower and eq...

2025 GMC Sierra

$43,000

MILEAGE 3,874 Miles

SPECS

3GTPUJEK0SG253708
310 hp 2.7L I4
Automatic
Gasoline
4WD
Pickup

Mike Maroone Cadillac

Boulder, CO

Listed 271 days

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USED GMC IN BOULDER, CO BY MODELS

GMC ACADIA GMC B7 GMC C/K PICKUP GMC C4 GMC C5 GMC C6 GMC C7 GMC C8 GMC CABALLERO GMC CANYON GMC CUTAWAY CHASSIS GMC ENVOY GMC GMT-400 GMC HEAVY CONVENTIONAL GMC HUMMER GMC HUMMER EV PICKUP GMC HUMMER EV SUV GMC JIMMY GMC JIMMY UTILITY GMC P TRUCK FORWARD GMC R CONVENTIONAL GMC RALLY GMC S15 PICKUP GMC S15 UTILITY GMC SAFARI GMC SAVANA GMC SIERRA GMC SIERRA EV GMC SIERRA HD GMC SIERRA LIMITED GMC SILVERADO MEDIUM DUTY GMC SONOMA GMC SUBURBAN GMC T-SERIES GMC TERRAIN GMC TYPHOON GMC V CONVENTIONAL GMC VANDURA GMC W4 GMC W5 GMC YUKON GMC YUKON XL GMC FORWARD CONTROL GMC MOTORHOME CHASSIS