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Mike Maroone GMC Boulder: Shop New & Used GMC Trucks, SUVs, Evs & More

Showing 198 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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Boulder drivers searching for exceptional durability paired with premium comfort will find their ideal match among our impressive lineup of GMC vehicles for sale at Mike Maroone Colorado. Renowned for manufacturing robust vehicles built to tackle challenging terrains, it’s no wonder that GMC stands out with its expansive range of powerful GMC trucks for sale, versatile GMC SUVs for sale, and innovative GMC EVs for sale. Whether cruising through bustling streets or exploring mountainous trails, GMC trucks provide unmatched strength and reliability, making them perfect companions for both work and play. Families across Boulder consistently choose GMC SUVs for sale, appreciating their spacious interiors, advanced safety technology, and superior comfort. For environmentally conscious drivers, our GMC EVs for sale combine eco-friendly performance with powerful capabilities, redefining sustainable driving in Boulder.

  • Finding your perfect vehicle is effortless with our comprehensive inventory of new and used GMC vehicles for sale available throughout Boulder. Buyers have access to pristine new GMC trucks for sale and SUVs showcasing the latest technology, luxury features, and modern design elements. Additionally, those seeking quality at great value can explore our meticulously inspected used GMC SUVs for sale and trucks, ensuring exceptional reliability and affordability for Boulder residents. Investing in used GMC EVs for sale further allows drivers to experience sustainable driving without compromise. With choices designed to meet diverse lifestyles, tastes, and budgets, our wide range of GMC vehicles for sale across Boulder ensures you'll find your perfect driving partner.

  • Here at Mike Maroone Colorado, we believe that ownership doesn’t end with your purchase. Our Boulder customers benefit from ongoing support designed to enhance every aspect of vehicle ownership. Comprehensive services accompany every one of our GMC vehicles for sale, including specialized repairs, routine maintenance, and genuine GMC parts available at our convenient Boulder location. Whether servicing GMC trucks for sale or SUVs, our skilled technicians use cutting-edge equipment to maintain optimal performance, safety, and longevity. Additionally, we simplify the selling or trading process, offering transparent evaluations and competitive pricing to Boulder customers upgrading or changing vehicles. Choosing our GMC EVs for sale also means receiving dedicated, specialized support tailored specifically for electric vehicles. Enjoy complete peace of mind knowing every stage of ownership is backed by attentive, professional care from Boulder’s trusted automotive experts.