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GMC Trucks for Sale in Niwot, CO: Shop New & Used GMC Trucks

Showing 198 Results
    New

    2024 GMC Hummer EV SUV

    $111,910
    $89,161
    StatusAvailable
    LocationBoulder, CO
    Stock #G105593

    Afterburner Tintcoat (Orange) 2024 GMC Hummer EV SUV 2X 4WD 1-Speed Automatic Electric Motor Black Rear D-Ring Recovery Hook (LPO), Drive... READ MORE

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    Odometer3016
    Interior ColorLunar Horizon (Jet Black/Light Grey)
    Interior MaterialLeather
    Exterior Base ColorOrange
    Body4D Sport Utility
    Body Door Ct4
    Body Roof StyleT-Top
    Wheelbase127
    EngineElectric Motor
    FuelElectric
    Transmission1-Speed Automatic
    Transmission Gear Ct1
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    Highway MPG48
    City MPG59
    New

    2025 GMC Hummer EV SUV

    $117,435
    $107,435
    StatusAvailable
    LocationBoulder, CO
    Stock #G110074

    Void Black 2025 GMC Hummer EV SUV 3X 4WD 1-Speed Automatic Electric MotorGMC Dealership Serving Boulder, CO Drivers – Mike Maroone GMC GM... READ MORE

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    Odometer1351
    Interior ColorLunar Horizon (Jet Black/Light Grey)
    Interior MaterialLeather
    Exterior Base ColorBlack
    ColourVoid Black
    Body4D Sport Utility
    Body Door Ct4
    Wheelbase127
    EngineElectric Motor
    FuelElectric
    Transmission1-Speed Automatic
    Transmission Gear Ct1
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    Highway MPG48
    City MPG59
    New

    2025 GMC Hummer EV SUV

    $107,440
    $97,440
    StatusAvailable
    LocationLongmont, CO
    Stock #DT104741

    Void Black 2025 GMC Hummer EV SUV 3X 4WD 1-Speed Automatic Electric MotorProudly serving Longmont, Boulder, Denver, Loveland, Erie, Fort ... READ MORE

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    Odometer566
    Interior ColorLunar Shadow (Jet Black/Taupe)
    Interior MaterialLeather
    Exterior Base ColorBlack
    ColourVoid Black
    Body4D Sport Utility
    Body Door Ct4
    Wheelbase127
    EngineElectric Motor
    FuelElectric
    Transmission1-Speed Automatic
    Transmission Gear Ct1
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    Highway MPG48
    City MPG59
    New

    2025 GMC Hummer EV SUV

    $117,435
    $107,435
    StatusAvailable
    LocationLongmont, CO
    Stock #107966

    Void Black 2025 GMC Hummer EV SUV 3X 4WD 1-Speed Automatic Electric MotorProudly serving Longmont, Boulder, Denver, Loveland, Erie, Fort ... READ MORE

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    Odometer1105
    Interior ColorLunar Horizon (Jet Black/Light Grey)
    Interior MaterialLeather
    Exterior Base ColorBlack
    ColourVoid Black
    Body4D Sport Utility
    Body Door Ct4
    Wheelbase127
    EngineElectric Motor
    FuelElectric
    Transmission1-Speed Automatic
    Transmission Gear Ct1
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    Highway MPG48
    City MPG59
    New

    2025 GMC Hummer EV SUV

    $117,785
    $107,785
    StatusAvailable
    LocationLongmont, CO
    Stock #109971

    Void Black 2025 GMC Hummer EV SUV 3X 4WD 1-Speed Automatic Electric MotorProudly serving Longmont, Boulder, Denver, Loveland, Erie, Fort ... READ MORE

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    Odometer1054
    Interior ColorLunar Horizon (Jet Black/Light Grey)
    Interior MaterialLeather
    Exterior Base ColorBlack
    ColourVoid Black
    Body4D Sport Utility
    Body Door Ct4
    Wheelbase127
    EngineElectric Motor
    FuelElectric
    Transmission1-Speed Automatic
    Transmission Gear Ct1
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    Highway MPG48
    City MPG59
    New

    2025 GMC Hummer EV SUV

    $117,915
    $107,915
    StatusAvailable
    LocationLongmont, CO
    Stock #109970

    Meteorite Metallic (Gray) 2025 GMC Hummer EV SUV 3X 4WD 1-Speed Automatic Electric MotorProudly serving Longmont, Boulder, Denver, Lovela... READ MORE

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    Odometer1315
    Interior ColorLunar Horizon (Jet Black/Light Grey)
    Interior MaterialLeather
    Exterior Base ColorGray
    Body4D Sport Utility
    Body Door Ct4
    Wheelbase127
    EngineElectric Motor
    FuelElectric
    Transmission1-Speed Automatic
    Transmission Gear Ct1
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    Highway MPG48
    City MPG59
    New

    2025 GMC Hummer EV SUV

    $107,695
    $97,695
    StatusAvailable
    LocationLongmont, CO
    Stock #DT109666

    Interstellar White 2025 GMC Hummer EV SUV 3X 4WD 1-Speed Automatic Electric MotorProudly serving Longmont, Boulder, Denver, Loveland, Eri... READ MORE

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    Odometer1161
    Interior ColorLunar Shadow (Jet Black/Taupe)
    Interior MaterialLeather
    Exterior Base ColorWhite
    ColourInterstellar White
    Body4D Sport Utility
    Body Door Ct4
    Wheelbase127
    EngineElectric Motor
    FuelElectric
    Transmission1-Speed Automatic
    Transmission Gear Ct1
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    Highway MPG48
    City MPG59
    New

    2025 GMC Sierra 2500HD

    $95,754
    $87,894
    StatusAvailable
    LocationBoulder, CO
    Stock #DT153324

    White Frost Tricoat 2025 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black L... READ MORE

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    Odometer2854
    InteriorJet Black Leather
    Interior ColorJet Black
    Interior MaterialLeather
    Exterior Base ColorWhite
    ColourWhite Frost Tricoat
    Body4D Crew Cab
    Body Bed StyleShort Bed
    Body Door Ct4
    Wheelbase159
    Engine AspirationTurbocharged
    Engine CamshaftOHV
    Engine Cylinder Ct8
    Engine Displacement6.6
    FuelDiesel
    Transmission10-Speed Automatic
    Transmission Gear Ct10
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    New

    2025 GMC Sierra 1500

    $59,135
    $52,635
    StatusAvailable
    LocationBoulder, CO
    Stock #G228079

    Sterling Metallic 2025 GMC Sierra 1500 Elevation 4WD 8-Speed Automatic 2.7L I4 Turbocharged DOHC 16V LEV3-SULEV30 310hp 8-Speed Automatic... READ MORE

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    Odometer3181
    InteriorBlack Cloth
    Interior ColorBlack
    Interior MaterialCloth
    Exterior Base ColorGray
    ColourSterling Metallic
    Body4D Crew Cab
    Body Bed StyleShort Bed
    Body Door Ct4
    Wheelbase147.4
    Engine AspirationTurbocharged
    Engine CamshaftDOHC
    Engine Cylinder Ct4
    Engine Displacement2.7
    FuelGasoline
    Transmission8-Speed Automatic
    Transmission Gear Ct8
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    Highway MPG19
    City MPG17
    New

    2025 GMC Sierra 1500

    $93,048
    $86,555
    StatusAvailable
    LocationBoulder, CO
    Stock #G277343

    ROCKY RIDGE EDITION!!Sterling Metallic 2025 GMC Sierra 1500 AT4 4WD 10-Speed Automatic 3.0L I6 10-Speed Automatic, 4WD, Jet Black With Ka... READ MORE

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    Odometer7
    Interior ColorJet Black With Kalahari Accents
    Interior MaterialLeather
    Exterior Base ColorSilver
    ColourSterling Metallic
    Body4D Crew Cab
    Body Bed StyleShort Bed
    Body Door Ct4
    Wheelbase147.5
    Engine3.0L I6
    Engine AspirationTurbocharged
    Engine CamshaftDOHC
    Engine Cylinder Ct6
    Engine Displacement3
    FuelDiesel
    Transmission10-Speed Automatic
    Transmission Gear Ct10
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    Highway MPG26
    City MPG22
    New

    2024 GMC Hummer EV SUV

    $110,595
    $102,171
    StatusAvailable
    LocationBoulder, CO
    Stock #G103414

    Moonshot Green Matte 2024 GMC Hummer EV SUV 3X 4WD 1-Speed Automatic Electric Motor 10.49 Final Drive Ratio, 12-Way Power Driver Seat Adj... READ MORE

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    Odometer15
    Interior ColorLunar Shadow (Jet Black/Taupe)
    Interior MaterialLeather
    Exterior Base ColorGreen
    Body4D Sport Utility
    Body Door Ct4
    Body Roof StyleT-Top
    Wheelbase127
    EngineElectric Motor
    FuelElectric
    Transmission1-Speed Automatic
    Transmission Gear Ct1
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    Highway MPG48
    City MPG59
    New

    2026 GMC Sierra 3500HD

    $108,964
    $102,416
    StatusAvailable
    LocationLongmont, CO
    Stock #L168117

    Titanium Rush Metallic 2026 GMC Sierra 3500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD,... READ MORE

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    Odometer5
    Interior ColorAlpine Umber
    Interior MaterialLeather
    Exterior Base ColorGray
    Body4D Crew Cab
    Body Bed StyleLong Bed
    Body Door Ct4
    Wheelbase172
    Engine AspirationTurbocharged
    Engine CamshaftOHV
    Engine Cylinder Ct8
    Engine Displacement6.6
    FuelDiesel
    Transmission10-Speed Automatic
    Transmission Gear Ct10
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    New

    2026 GMC Sierra 2500HD

    $89,940
    $83,625
    StatusAvailable
    LocationLongmont, CO
    Stock #111147

    Summit White 2026 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black With Kalaha... READ MORE

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    Odometer6
    Interior ColorJet Black With Kalahari Accents
    Interior MaterialLeather
    Exterior Base ColorWhite
    ColourSummit White
    Body4D Crew Cab
    Body Bed StyleLong Bed
    Body Door Ct4
    Wheelbase172
    Engine AspirationTurbocharged
    Engine CamshaftOHV
    Engine Cylinder Ct8
    Engine Displacement6.6
    FuelDiesel
    Transmission10-Speed Automatic
    Transmission Gear Ct10
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    New

    2025 GMC Sierra 1500

    $59,135
    $53,635
    StatusAvailable
    LocationBoulder, CO
    Stock #G275734

    Sterling Metallic 2025 GMC Sierra 1500 Elevation 4WD 8-Speed Automatic 2.7L I4 Turbocharged DOHC 16V LEV3-SULEV30 310hp 8-Speed Automatic... READ MORE

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    Odometer3419
    InteriorCloth
    Interior ColorBlack
    Interior MaterialCloth
    Exterior Base ColorSilver
    ColourSterling Metallic
    Body4D Crew Cab
    Body Bed StyleShort Bed
    Body Door Ct4
    Wheelbase147.4
    Engine AspirationTurbocharged
    Engine CamshaftDOHC
    Engine Cylinder Ct4
    Engine Displacement2.7
    FuelGasoline
    Transmission8-Speed Automatic
    Transmission Gear Ct8
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    Highway MPG19
    City MPG17
    New

    2025 GMC Sierra 2500HD

    $82,305
    $76,181
    StatusAvailable
    LocationBoulder, CO
    Stock #G168537

    Volcanic Red Tintcoat 2025 GMC Sierra 2500HD SLT 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black Le... READ MORE

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    Odometer3993
    InteriorJet Black Leather
    Interior ColorJet Black
    Interior MaterialLeather
    Exterior Base ColorRed
    Body4D Crew Cab
    Body Bed StyleShort Bed
    Body Door Ct4
    Body Roof StyleTarga
    Wheelbase159
    Engine AspirationTurbocharged
    Engine CamshaftOHV
    Engine Cylinder Ct8
    Engine Displacement6.6
    FuelDiesel
    Transmission10-Speed Automatic
    Transmission Gear Ct10
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    New

    2026 GMC Sierra 1500

    $83,685
    $78,467
    StatusAvailable
    LocationBoulder, CO
    Stock #G111552

    Onyx Black 2026 GMC Sierra 1500 AT4X 4WD 10-Speed Automatic 3.0L I6 10-Speed Automatic, 4WD, Obsidian Rush Leather.GMC Dealership Serving... READ MORE

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    Odometer7
    Interior ColorObsidian Rush
    Interior MaterialLeather
    Exterior Base ColorBlack
    ColourOnyx Black
    Body4D Crew Cab
    Body Bed StyleShort Bed
    Body Door Ct4
    Wheelbase147.5
    Engine3.0L I6
    Engine AspirationTurbocharged
    Engine CamshaftDOHC
    Engine Cylinder Ct6
    Engine Displacement3
    FuelDiesel
    Transmission10-Speed Automatic
    Transmission Gear Ct10
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    Highway MPG20
    City MPG19
    New

    2026 GMC Sierra 1500

    $73,085
    $67,899
    StatusAvailable
    LocationBoulder, CO
    Stock #G140827

    Summit White 2026 GMC Sierra 1500 AT4 4WD 10-Speed Automatic 3.0L I6 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather.GMC... READ MORE

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    Odometer7
    Interior ColorJet Black With Kalahari Accents
    Interior MaterialLeather
    Exterior Base ColorWhite
    ColourSummit White
    Body4D Crew Cab
    Body Bed StyleShort Bed
    Body Door Ct4
    Wheelbase147.5
    Engine3.0L I6
    Engine AspirationTurbocharged
    Engine CamshaftDOHC
    Engine Cylinder Ct6
    Engine Displacement3
    FuelDiesel
    Transmission10-Speed Automatic
    Transmission Gear Ct10
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    Highway MPG26
    City MPG22
    New

    2026 GMC Sierra 1500

    $73,945
    $69,076
    StatusAvailable
    LocationLongmont, CO
    Stock #L222683

    Onyx Black 2026 GMC Sierra 1500 AT4 4WD 10-Speed Automatic 3.0L I6 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather.Proud... READ MORE

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    Odometer5
    Interior ColorJet Black With Kalahari Accents
    Interior MaterialLeather
    Exterior Base ColorBlack
    ColourOnyx Black
    Body4D Crew Cab
    Body Bed StyleShort Bed
    Body Door Ct4
    Wheelbase147.5
    Engine3.0L I6
    Engine AspirationTurbocharged
    Engine CamshaftDOHC
    Engine Cylinder Ct6
    Engine Displacement3
    FuelDiesel
    Transmission10-Speed Automatic
    Transmission Gear Ct10
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    Highway MPG24
    City MPG21
    New

    2026 GMC Sierra 2500HD

    $90,135
    $84,596
    StatusAvailable
    LocationLongmont, CO
    Stock #151711

    Summit White 2026 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black With Kalaha... READ MORE

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    Odometer6
    Interior ColorJet Black With Kalahari Accents
    Interior MaterialLeather
    Exterior Base ColorWhite
    ColourSummit White
    Body4D Crew Cab
    Body Bed StyleShort Bed
    Body Door Ct4
    Wheelbase159
    Engine AspirationTurbocharged
    Engine CamshaftOHV
    Engine Cylinder Ct8
    Engine Displacement6.6
    FuelDiesel
    Transmission10-Speed Automatic
    Transmission Gear Ct10
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4
    New

    2026 GMC Sierra 2500HD

    $97,855
    $92,378
    StatusAvailable
    LocationLongmont, CO
    Stock #L162346

    Summit White 2026 GMC Sierra 2500HD AT4X 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Obsidian Rush Leathe... READ MORE

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    Odometer6
    Interior ColorObsidian Rush
    Interior MaterialLeather
    Exterior Base ColorWhite
    ColourSummit White
    Body4D Crew Cab
    Body Bed StyleShort Bed
    Body Door Ct4
    Wheelbase159
    Engine AspirationTurbocharged
    Engine CamshaftOHV
    Engine Cylinder Ct8
    Engine Displacement6.6
    FuelDiesel
    Transmission10-Speed Automatic
    Transmission Gear Ct10
    Transmission TypeAutomatic
    Drivetrain Desc4WD
    Drivetrain Type4WD
    Drivetrain Wheel Ct4

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Experience the ultimate in strength and performance with GMC trucks for sale at Mike Maroone Colorado. GMC sets the standard in truck engineering, combining robust power and innovative technology in every model. Our GMC trucks are equipped with the formidable 310-HP TurboMax Engine, designed to deliver outstanding power and efficiency whether navigating city streets or tackling rugged Niwot, CO terrain. With a maximum towing capacity of up to 36,000 pounds, these trucks are built to haul heavy loads effortlessly, making them the ideal choice for both work and adventure in Niwot, CO. Additionally, the cutting-edge SuperCruise hands-free technology offers a safer and more relaxed driving experience, allowing Niwot, CO drivers to enjoy long stretches of highway with enhanced control and comfort.

  • At Mike Maroone Colorado, we understand that choosing between a new and used GMC truck for sale involves careful consideration of your needs, budget, and preferences. Our selection of new GMC trucks for sale in Niwot, CO comes with the latest advancements in automotive technology and the full assurance of a manufacturer's warranty, providing peace of mind and the thrill of owning a brand-new vehicle. On the other hand, opting for one of our used GMC trucks for sale can be a wise financial decision, offering the same high-quality and robust performance in Niwot, CO at a more accessible price point. Each preowned truck undergoes a rigorous inspection to ensure it meets our high standards, ensuring you receive a reliable and road-worthy vehicle ready to take on the demands of Niwot, CO driving.

  • Whether you're in the market for a used or new GMC truck for sale, Mike Maroone Colorado is your destination for finding the best vehicle to suit your lifestyle. Our knowledgeable Niwot, CO team is dedicated to helping you explore our extensive inventory of GMC trucks for sale, guiding you through the various models, features, and configurations available. We take the time to understand your specific driving needs and help you match them with the right truck, ensuring that you drive away with a vehicle in Niwot, CO that not only meets but exceeds your expectations. Visit us today and see why used and new GMC trucks for sale are celebrated for their power, durability, and innovation in Niwot, CO.