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Shop All New GMC Inventory: New SUVs, Trucks & More

Showing 166 Results
    $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
    $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
    $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
    $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
    $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
    $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
    $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
    $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
    $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
    $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
    $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
    $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
    $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
    $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
    $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
    $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
    $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
    $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
    $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
    $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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Making a vehicle purchase in Denver, CO often comes down to one question: will this vehicle make my life easier, better, and more capable? That’s where GMC stands apart from other brands in the industry. Mike Maroone Colorado is proud to partner with such a forward-thinking brand to offer new GMC SUVs, new GMC trucks, and new GMC EVs for sale that go beyond transportation. Our vehicles serve as mobile workstations, family companions, and reliable tools for the way you live in Denver, CO. Whether you're driving for business, recreation, or everyday errands, GMC offers dependable performance backed by thoughtful designs.

  • For many individuals, our new GMC SUVs for sale offer the kind of practical flexibility that makes daily life smoother. Whether you're packing up gear, traveling with pets, or driving into the Denver, CO foothills, GMC SUVs are built to handle it all with ease. However, what separates them from the crowd is how effortlessly they shift between work and play. In a state like Denver, CO, where your schedule might take you from a downtown office to an exciting trailhead in one day, owning a vehicle that adapts matters. The answer to this is our new GMC SUVs for sale which feature flexible storage, all-weather capability, and elevated comfort. This gives you the tools to do more without ever feeling limited.

  • When it comes to power with purpose, new GMC trucks for sale at Mike Maroone Colorado deliver unmatched durability with refinement. This is possible because our trucks are more than just towing machines. Rather, they’re mobile command centers for people who build, haul, and lead. Many Denver, CO owners rely on our new GMC trucks for sale not just for strength but for comfort over long distances, intelligent storage, and smart integrations that support both labor and lifestyle. From icy highways to backroad job sites in Denver, CO, our new GMC trucks for sale offer peace of mind and serious pulling power.

  • While sustainability is often about the environment, our new GMC EVs for sale bring personal convenience to the forefront. Fewer maintenance requirements, lower fuel costs, and intuitive technology make every trip feel smoother. For Denver, CO drivers balancing environmental values with performance needs, our EVs are perfect. In cities like Denver or towns tucked into the Rockies, owning a GMC EV means having the power to go farther with less effort and less noise. As new GMC EVs for sale improve, they give drivers a fresh electric experience that still feels true to what Denver, CO residents love about GMC.