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Our 2026 GMC Sierra 2500HD Denali Crew Cab 4X4 with the Reserve Package in Onyx Black is for owners who aim higher! Motivated by a TurboCharged 6.6 Liter DuraMax Diesel V8 serving up 470hp to a 10 Speed Allison Automatic transmission for advanced cap...

2026 GMC Sierra HD

$101,090

MILEAGE 2 Miles

SPECS

1GT4UYEY4TF227289
6.6L diesel
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

Driver Air Bag
ALPINE UMBER FULL GRAIN LEATHER SEATING SURFACES
Conventional Spare Tire
REAR AXLE 3.42 RATIO
Turbocharged

Listed 2 days

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10-Speed Automatic, 4WD, Alpine Umber Leather, 12 Speakers, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 16-Way Power Driver Seat Adjuster with Lumbar, 16-Way Power Passenger Seat Adjuster with Lumbar, 2 Charge-Only Rear...

2026 GMC Sierra HD

$100,785

MILEAGE 2 Miles

SPECS

1GT4UXEY4TF146576
6.6L diesel
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

Driver Air Bag
Conventional Spare Tire
REAR AXLE 3.42 RATIO
LPO 22" (55.9 CM) GLOSS BLACK ALUMINUM WHEELS LPO wheels will come with 4 aluminum 22" Transit Wheels from the factory with alignment specs set to 22" LPO wheel selected (dealer-installed)
Turbocharged

Listed 2 days

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10-Speed Automatic, 4WD, Alpine Umber Leather, 12 Speakers, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 16-Way Power Driver Seat Adjuster with Lumbar, 16-Way Power Passenger Seat Adjuster with Lumbar, 2 Charge-Only Rear...

2026 GMC Sierra HD

$108,465

MILEAGE 2 Miles

SPECS

1GT4UZEY6TF274328
6.6L diesel
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

Driver Air Bag
Conventional Spare Tire
Tires - Front All-Season
Cross-Traffic Alert
Front Side Air Bag

Listed 2 days

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10-Speed Automatic, 4WD, Obsidian Rush Leather, 12 Speakers, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 16-Way Power Driver Seat Adjuster with Lumbar, 16-Way Power Passenger Seat Adjuster with Lumbar, 2 Charge-Only Rea...

2026 GMC Sierra HD

$100,335

MILEAGE 2 Miles

SPECS

1GT4UXEY3TF221106
6.6L diesel
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

PREMIUM FLOOR LINERS WITH REMOVABLE CARPET INSERT REAR
Driver Air Bag
Conventional Spare Tire
REAR AXLE 3.42 RATIO
Turbocharged

Listed 2 days

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10-Speed Automatic, 4WD, Alpine Umber Leather, 12 Speakers, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 16-Way Power Driver Seat Adjuster with Lumbar, 16-Way Power Passenger Seat Adjuster with Lumbar, 2 Charge-Only Rear...

2026 GMC Sierra HD

$61,720

MILEAGE 2 Miles

SPECS

1GT3UME79TF224450
6.6L gas
Automatic
Gasoline
4WD
Pickup

HIGHLIGHTS

SLE HEATED PACKAGE includes (KA1) heated driver and passenger seats (KI3) heated steering wheel
Driver Air Bag
Conventional Spare Tire
GVWR 10 650 LBS. (4831 KG)
THEFT-DETERRENT SYSTEM UNAUTHORIZED ENTRY

Glendenning Chevrolet Buick GMC New

Listed 2 days

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10-Speed Automatic, 4WD, Black Cloth, 10-Way Power Driver Seat Adjuster with Lumbar, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 17" Machined Aluminum Wheels, 18" Machined Aluminum Wheels, 2 Charge/Data USB Ports, 2 Spe...

2026 GMC Sierra HD

$80,686

MILEAGE Contact seller

SPECS

1GT4UUEY2TF241247
8-Cylinder Turbo
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

18" Machined Aluminum Wheels
Alloy wheels
Auto High-beam Headlights
Auto-dimming door mirrors
Bumpers: chrome

Karl Chevrolet Buick GMC

Webster City, IA

Listed 2 days

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Elevate your driving experience with the remarkable 2026 GMC Sierra 3500HD SLT. This powerhouse of a truck boasts an impressive Duramax 6.6L V8 Turbodiesel engine, delivering exceptional performance and capability. Tailored to meet your needs, this S...

2026 GMC Sierra HD

$103,444

MILEAGE Contact seller

SPECS

1GT4UXEY8TF281253
6.6L Duramax Turbo-Diesel V8 eng
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

SiriusXM Trial Subscription
May require additional optional equipment
Customize and manage entertainment and vehicle feature setting
Use control and manage select smartphone apps through the Infotainment system
Voice-activated technology for phone

Listed 3 days

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Standard EquipmentEntertainmentSiriusXM Trial SubscriptionWireless phone projection For Apple CarPlay1 and Android Auto2Wi-Fi Hotspot capable Terms and limitations apply. See onstar.com or dealer for details.May require additional optional equipment1...

2026 GMC Sierra HD

$75,545

MILEAGE 3 Miles

SPECS

1GT4UPE7XTF284243
6.6L V8 Gas engine
Automatic
Gasoline
4WD
Pickup

HIGHLIGHTS

SiriusXM Trial Subscription
May require additional optional equipment
Customize and manage entertainment and vehicle feature setting
Use control and manage select smartphone apps through the Infotainment system
Voice-activated technology for phone

Mount Ayr, IA

Listed 3 days

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Standard EquipmentEntertainmentSiriusXM Trial SubscriptionWireless phone projection For Apple CarPlay1 and Android Auto2Wi-Fi Hotspot capable Terms and limitations apply. See onstar.com or dealer for details.May require additional optional equipment1...

2026 GMC Sierra HD

$91,935

MILEAGE Contact seller

SPECS

1GT4UWEY0TF280950
6.6L Duramax Turbo-Diesel V8 eng
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

SiriusXM
May require additional optional equipment
Customize and manage entertainment and vehicle feature setting
Use control and manage select smartphone apps through the Infotainment system
Voice-activated technology for phone

Listed 3 days

0 views

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Standard EquipmentEntertainmentSiriusXMWi-Fi Hotspot capable Terms and limitations apply. See onstar.com or dealer for details.May require additional optional equipment13.4 diagonal GMC Premium Infotainment System with Google built-in 13.4 diagonal G...

2024 GMC Sierra HD

$65,834

MILEAGE 93,442 Miles

SPECS

1GT49REY2RF320859
470 hp 6.6L V8 Biodiesel
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

Sunroof/Moonroof
Adaptive Cruise Control
Alloy Wheels
Technology Package
Blind Spot Monitoring

McGrath Hyundai

Hiawatha, IA

Listed 3 days

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10-Speed Automatic, 4WD, Jet Black Leather. Duramax 6.6L V8 Turbodiesel 4WD Welcome to McGrath Ford Hyundai Kia, your destination for industry leading automotive experiences. Were proud to deliver unmatched quality and service. With over 13,000 5-s...

2026 GMC Sierra HD

$52,708

MILEAGE Contact seller

SPECS

1GT5ULE73TF265790
V8 Gas engine 6.6L
Automatic
Gasoline
4WD
Pickup

HIGHLIGHTS

6-speaker audio system
Bluetooth
GMC Infotainment System with color touchscreen
Wi-Fi Hotspot capable
Wireless phone projection

Karl GMC of Marshalltown

Marshalltown, IA

Listed 3 days

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Community Buick GMC - Waterloo

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10-Speed Automatic, 4WD, Jet Blk Clth Vinyl.Summit White 2026 GMC Double Cab Sierra 2500HD Pro 6.6L V8 10-Speed Automatic 4WDWhen you buy a new car at Karl or Marshalltown you know you're finding a vehicle you can rely on. We have a great selection o...

2024 GMC Sierra HD

Contact Seller for Price

MILEAGE 38,158 Miles

SPECS

1GT49REY9RF128340
470 hp 6.6L V8 Biodiesel
Diesel
4WD
Pickup

4.9

Waterloo, IA

Listed 4 days

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2023 GMC Sierra HD

$55,995

MILEAGE 101,491 Miles

SPECS

1GT49REY1PF169123
Duramax 6.6L V-8 diesel direct i
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

Stats & Features
Active Seatbelts
Active keyless entry
All Wheel ABS
Crew Cab

Dunphy Motors

Iowa Falls, IA

Listed 4 days

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