Shop All New GMC Inventory: New SUVs, Trucks & More
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$111,910$89,161StatusAvailableLocationBoulder, COStock #G105593Afterburner Tintcoat (Orange) 2024 GMC Hummer EV SUV 2X 4WD 1-Speed Automatic Electric Motor Black Rear D-Ring Recovery Hook (LPO), Drive... READ MORE
Odometer3016Interior ColorLunar Horizon (Jet Black/Light Grey)Interior MaterialLeatherExterior Base ColorOrangeBody4D Sport UtilityBody Door Ct4Body Roof StyleT-TopWheelbase127EngineElectric MotorFuelElectricTransmission1-Speed AutomaticTransmission Gear Ct1Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4Highway MPG48City MPG59



$117,435$107,435StatusAvailableLocationBoulder, COStock #G110074Void Black 2025 GMC Hummer EV SUV 3X 4WD 1-Speed Automatic Electric MotorGMC Dealership Serving Boulder, CO Drivers – Mike Maroone GMC GM... READ MORE
Odometer1351Interior ColorLunar Horizon (Jet Black/Light Grey)Interior MaterialLeatherExterior Base ColorBlackColourVoid BlackBody4D Sport UtilityBody Door Ct4Wheelbase127EngineElectric MotorFuelElectricTransmission1-Speed AutomaticTransmission Gear Ct1Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4Highway MPG48City MPG59



$107,440$97,440StatusAvailableLocationLongmont, COStock #DT104741Void Black 2025 GMC Hummer EV SUV 3X 4WD 1-Speed Automatic Electric MotorProudly serving Longmont, Boulder, Denver, Loveland, Erie, Fort ... READ MORE
Odometer566Interior ColorLunar Shadow (Jet Black/Taupe)Interior MaterialLeatherExterior Base ColorBlackColourVoid BlackBody4D Sport UtilityBody Door Ct4Wheelbase127EngineElectric MotorFuelElectricTransmission1-Speed AutomaticTransmission Gear Ct1Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4Highway MPG48City MPG59



$117,435$107,435StatusAvailableLocationLongmont, COStock #107966Void Black 2025 GMC Hummer EV SUV 3X 4WD 1-Speed Automatic Electric MotorProudly serving Longmont, Boulder, Denver, Loveland, Erie, Fort ... READ MORE
Odometer1105Interior ColorLunar Horizon (Jet Black/Light Grey)Interior MaterialLeatherExterior Base ColorBlackColourVoid BlackBody4D Sport UtilityBody Door Ct4Wheelbase127EngineElectric MotorFuelElectricTransmission1-Speed AutomaticTransmission Gear Ct1Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4Highway MPG48City MPG59



$117,785$107,785StatusAvailableLocationLongmont, COStock #109971Void Black 2025 GMC Hummer EV SUV 3X 4WD 1-Speed Automatic Electric MotorProudly serving Longmont, Boulder, Denver, Loveland, Erie, Fort ... READ MORE
Odometer1054Interior ColorLunar Horizon (Jet Black/Light Grey)Interior MaterialLeatherExterior Base ColorBlackColourVoid BlackBody4D Sport UtilityBody Door Ct4Wheelbase127EngineElectric MotorFuelElectricTransmission1-Speed AutomaticTransmission Gear Ct1Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4Highway MPG48City MPG59



$117,915$107,915StatusAvailableLocationLongmont, COStock #109970Meteorite Metallic (Gray) 2025 GMC Hummer EV SUV 3X 4WD 1-Speed Automatic Electric MotorProudly serving Longmont, Boulder, Denver, Lovela... READ MORE
Odometer1315Interior ColorLunar Horizon (Jet Black/Light Grey)Interior MaterialLeatherExterior Base ColorGrayBody4D Sport UtilityBody Door Ct4Wheelbase127EngineElectric MotorFuelElectricTransmission1-Speed AutomaticTransmission Gear Ct1Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4Highway MPG48City MPG59



$107,695$97,695StatusAvailableLocationLongmont, COStock #DT109666Interstellar White 2025 GMC Hummer EV SUV 3X 4WD 1-Speed Automatic Electric MotorProudly serving Longmont, Boulder, Denver, Loveland, Eri... READ MORE
Odometer1161Interior ColorLunar Shadow (Jet Black/Taupe)Interior MaterialLeatherExterior Base ColorWhiteColourInterstellar WhiteBody4D Sport UtilityBody Door Ct4Wheelbase127EngineElectric MotorFuelElectricTransmission1-Speed AutomaticTransmission Gear Ct1Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4Highway MPG48City MPG59



$95,754$87,894StatusAvailableLocationBoulder, COStock #DT153324White 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
Odometer2854InteriorJet Black LeatherInterior ColorJet BlackInterior MaterialLeatherExterior Base ColorWhiteColourWhite Frost TricoatBody4D Crew CabBody Bed StyleShort BedBody Door Ct4Wheelbase159Engine AspirationTurbochargedEngine CamshaftOHVEngine Cylinder Ct8Engine Displacement6.6FuelDieselTransmission10-Speed AutomaticTransmission Gear Ct10Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4



$59,135$52,635StatusAvailableLocationBoulder, COStock #G228079Sterling Metallic 2025 GMC Sierra 1500 Elevation 4WD 8-Speed Automatic 2.7L I4 Turbocharged DOHC 16V LEV3-SULEV30 310hp 8-Speed Automatic... READ MORE
Odometer3181InteriorBlack ClothInterior ColorBlackInterior MaterialClothExterior Base ColorGrayColourSterling MetallicBody4D Crew CabBody Bed StyleShort BedBody Door Ct4Wheelbase147.4Engine AspirationTurbochargedEngine CamshaftDOHCEngine Cylinder Ct4Engine Displacement2.7FuelGasolineTransmission8-Speed AutomaticTransmission Gear Ct8Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4Highway MPG19City MPG17



$93,048$86,555StatusAvailableLocationBoulder, COStock #G277343ROCKY 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
Odometer7Interior ColorJet Black With Kalahari AccentsInterior MaterialLeatherExterior Base ColorSilverColourSterling MetallicBody4D Crew CabBody Bed StyleShort BedBody Door Ct4Wheelbase147.5Engine3.0L I6Engine AspirationTurbochargedEngine CamshaftDOHCEngine Cylinder Ct6Engine Displacement3FuelDieselTransmission10-Speed AutomaticTransmission Gear Ct10Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4Highway MPG26City MPG22



$110,595$102,171StatusAvailableLocationBoulder, COStock #G103414Moonshot 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
Odometer15Interior ColorLunar Shadow (Jet Black/Taupe)Interior MaterialLeatherExterior Base ColorGreenBody4D Sport UtilityBody Door Ct4Body Roof StyleT-TopWheelbase127EngineElectric MotorFuelElectricTransmission1-Speed AutomaticTransmission Gear Ct1Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4Highway MPG48City MPG59



$108,964$102,416StatusAvailableLocationLongmont, COStock #L168117Titanium Rush Metallic 2026 GMC Sierra 3500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD,... READ MORE
Odometer5Interior ColorAlpine UmberInterior MaterialLeatherExterior Base ColorGrayBody4D Crew CabBody Bed StyleLong BedBody Door Ct4Wheelbase172Engine AspirationTurbochargedEngine CamshaftOHVEngine Cylinder Ct8Engine Displacement6.6FuelDieselTransmission10-Speed AutomaticTransmission Gear Ct10Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4



$89,940$83,625StatusAvailableLocationLongmont, COStock #111147Summit 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
Odometer6Interior ColorJet Black With Kalahari AccentsInterior MaterialLeatherExterior Base ColorWhiteColourSummit WhiteBody4D Crew CabBody Bed StyleLong BedBody Door Ct4Wheelbase172Engine AspirationTurbochargedEngine CamshaftOHVEngine Cylinder Ct8Engine Displacement6.6FuelDieselTransmission10-Speed AutomaticTransmission Gear Ct10Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4



$59,135$53,635StatusAvailableLocationBoulder, COStock #G275734Sterling Metallic 2025 GMC Sierra 1500 Elevation 4WD 8-Speed Automatic 2.7L I4 Turbocharged DOHC 16V LEV3-SULEV30 310hp 8-Speed Automatic... READ MORE
Odometer3419InteriorClothInterior ColorBlackInterior MaterialClothExterior Base ColorSilverColourSterling MetallicBody4D Crew CabBody Bed StyleShort BedBody Door Ct4Wheelbase147.4Engine AspirationTurbochargedEngine CamshaftDOHCEngine Cylinder Ct4Engine Displacement2.7FuelGasolineTransmission8-Speed AutomaticTransmission Gear Ct8Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4Highway MPG19City MPG17



$82,305$76,181StatusAvailableLocationBoulder, COStock #G168537Volcanic 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
Odometer3993InteriorJet Black LeatherInterior ColorJet BlackInterior MaterialLeatherExterior Base ColorRedBody4D Crew CabBody Bed StyleShort BedBody Door Ct4Body Roof StyleTargaWheelbase159Engine AspirationTurbochargedEngine CamshaftOHVEngine Cylinder Ct8Engine Displacement6.6FuelDieselTransmission10-Speed AutomaticTransmission Gear Ct10Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4



$83,685$78,467StatusAvailableLocationBoulder, COStock #G111552Onyx 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
Odometer7Interior ColorObsidian RushInterior MaterialLeatherExterior Base ColorBlackColourOnyx BlackBody4D Crew CabBody Bed StyleShort BedBody Door Ct4Wheelbase147.5Engine3.0L I6Engine AspirationTurbochargedEngine CamshaftDOHCEngine Cylinder Ct6Engine Displacement3FuelDieselTransmission10-Speed AutomaticTransmission Gear Ct10Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4Highway MPG20City MPG19



$73,085$67,899StatusAvailableLocationBoulder, COStock #G140827Summit 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
Odometer7Interior ColorJet Black With Kalahari AccentsInterior MaterialLeatherExterior Base ColorWhiteColourSummit WhiteBody4D Crew CabBody Bed StyleShort BedBody Door Ct4Wheelbase147.5Engine3.0L I6Engine AspirationTurbochargedEngine CamshaftDOHCEngine Cylinder Ct6Engine Displacement3FuelDieselTransmission10-Speed AutomaticTransmission Gear Ct10Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4Highway MPG26City MPG22



$73,945$69,076StatusAvailableLocationLongmont, COStock #L222683Onyx 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
Odometer5Interior ColorJet Black With Kalahari AccentsInterior MaterialLeatherExterior Base ColorBlackColourOnyx BlackBody4D Crew CabBody Bed StyleShort BedBody Door Ct4Wheelbase147.5Engine3.0L I6Engine AspirationTurbochargedEngine CamshaftDOHCEngine Cylinder Ct6Engine Displacement3FuelDieselTransmission10-Speed AutomaticTransmission Gear Ct10Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4Highway MPG24City MPG21



$90,135$84,596StatusAvailableLocationLongmont, COStock #151711Summit 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
Odometer6Interior ColorJet Black With Kalahari AccentsInterior MaterialLeatherExterior Base ColorWhiteColourSummit WhiteBody4D Crew CabBody Bed StyleShort BedBody Door Ct4Wheelbase159Engine AspirationTurbochargedEngine CamshaftOHVEngine Cylinder Ct8Engine Displacement6.6FuelDieselTransmission10-Speed AutomaticTransmission Gear Ct10Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4



$97,855$92,378StatusAvailableLocationLongmont, COStock #L162346Summit White 2026 GMC Sierra 2500HD AT4X 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Obsidian Rush Leathe... READ MORE
Odometer6Interior ColorObsidian RushInterior MaterialLeatherExterior Base ColorWhiteColourSummit WhiteBody4D Crew CabBody Bed StyleShort BedBody Door Ct4Wheelbase159Engine AspirationTurbochargedEngine CamshaftOHVEngine Cylinder Ct8Engine Displacement6.6FuelDieselTransmission10-Speed AutomaticTransmission Gear Ct10Transmission TypeAutomaticDrivetrain Desc4WDDrivetrain Type4WDDrivetrain Wheel Ct4
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Making a vehicle purchase in Windsor, 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 Windsor, CO. Whether you're driving for business, recreation, or everyday errands, GMC offers dependable performance backed by thoughtful designs.
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Do More Every Day With Our New GMC SUVs for Sale
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 Windsor, 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 Windsor, 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.
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Our Trucks are Strong Enough for Work & Comfortable for Leisure
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 Windsor, 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 Windsor, CO, our new GMC trucks for sale offer peace of mind and serious pulling power.
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Make the Switch for Sustainability Without Giving up Power, Style, or Comfort
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 Windsor, 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 Windsor, CO residents love about GMC.
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