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605 Auto Plaza

1441 E HWY 44, Rapid City, SD 57703
4.6
4.6 out of 5 stars
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Used 2015 GMC Sierra 3500HD Denali

240,370 miles
For Sale:Price Unknown
  • Truck
  • Pickup
  • Crew Cab
  • Luxury
  • Condition
    Used
  • Mileage
    240,370miles
  • Aggregate Ratings
    3.6
    3.6 out of 5 stars
  • Generation
    3(2015 - 2019)
  • Drivetrain
    4X4
  • Transmission
    6-Speed Shiftable Automatic
  • Exterior Color
    Summit White (White)Factory Paint Code:GAZ
  • Interior Color
    Jet Black (Black)Factory Paint Code:H2X
  • Size Segment
    Heavy Duty
  • Doors
    4
  • Max Seating
    5
  • Final Assembly Point
    Flint, Michigan
  • VIN
    1GT424E8XFF677564

Engine6.6L V8 Diesel 397hp

  • Fuel Type:Diesel
  • Max Horsepower:397 hp @ 3000 rpm
  • Max Torque:765 ft.lbf @ 1600 rpm
  • Brand:Duramax
  • Displacement:6.6liters
  • Block Type:V
  • Cylinders:8
  • Aspiration:Turbo
  • Fuel Induction:Common Rail Direct Injection
  • Redline:3,000rpm
  • Oil Capacity:9.5liters
  • Cam Type:OHV
  • Stroke:3.9
  • Bore:4.06
  • Valves:32

Message from the seller

Equipment
The installed navigation system will keep you on the right path. The leather seats in this GMC Sierra are a must for buyers looking for comfort, durability, and style. This unit offers Automatic Climate Control for personalized comfort. See what's behind you with the back up camera on this 2015 GMC Sierra 3500. This 1 ton pickup is pure luxury with a heated steering wheel. This vehicle has a clean AutoCheck report. Engulf yourself with the crystal clear sound of a BOSE sound system in this unit. The vehicle's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. Never get into a cold vehicle again with the remote start feature on it. This model features a hands-free Bluetooth phone system. The GMC Sierra features steering wheel audio controls. An off-road package is installed on this 2015 GMC Sierra 3500 so you are ready for your four-wheeling best.

Packages
Driver Alert Package. Duramax Plus Package: Duramax 6.6L Turbo Diesel V8 Engine; Allison 1000 6-Speed Automatic Transmission with Overdrive. Preferred Equipment Group 5SA: EZ-Lift and Lower Tailgate; Leather Wrapped Heated Steering Wheel; Chrome Door Handles; Rear Vision Camera with Dynamic Guide Lines; Rear 60/40 Folding Bench Seat (folds Up); Perforated Leather-Appointed Seat Trim; Remote Vehicle Starter System; Power Sliding Rear Window; Ultrasonic Front and Rear Park Assist; Front Body-Color Bumper; Electric Rear-Window Defogger; Unauthorized Entry Theft-Deterrent System; AM/FM Stereo with 8" Diagonal Color Touch Navigation; Trailering Equipment; 110-Volt AC Power Outlet; Front Halogen Fog Lamps; 150 Amps Alternator; Steering Wheel Audio Controls; Universal Home Remote; Color-Keyed Carpeting Floor Covering; Power Windows; OnStar 6 Months Directions/Connections; 8" Enhanced Driver Instrument Information Display; Remote Keyless Entry; Electronic Shift Transfer Case; Single-Slot CD/MP3 Player; Bose Speaker System; Color-Keyed Carpeted 1st and 2nd Row Floor Mats; Deep-Tinted Glass; Front Full Feature Bucket Seats; Chrome Power-Adjustable Heated Outside Mirrors; Spare LT265/70R18E AS BW Tire; 18" Chromed Aluminum Wheels; Dual-Zone Automatic Climate Control; Manual Tilt-Wheel/telescoping Steering Column; Driver and Front Passenger Visors; Front Frame-Mounted Black Recovery Hooks; OnStar with 4G LTE; Rear Body-Color Bumper with Bumper Cornersteps; Auto-Dimming Inside Rearview Mirror; Power Adjustable Pedals; Rear Wheelhouse Liners; Heated and Cooled Driver and Front Passenger Seats; Chrome Bodyside Moldings. Power Sunroof. Spray-On Pickup Box Bed Liner with GMC Logo. Off-Road Suspension Package. LT265/70R18E AT BW Tires. High Idle Switch. 3.73 Rear Axle Ratio. Smoked Amber Roof Marker Lamps. Radiator Grille and Front Bumper Opening Cover. Trailering Wiring Provisions. Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.

2015 GMC Sierra 3500HD: A Detailed Overview

The 2015 GMC Sierra 3500HD stands as a formidable player in the heavy-duty truck segment, engineered for those who demand uncompromising capability and robust performance for towing, hauling, and demanding work. This model year brought refinements and a continuation of its established reputation for strength and advanced features.

Highlights

  • Engine Options: The Sierra 3500HD offered two potent engine choices designed to tackle the toughest jobs:

    • Standard 6.0L V8 Vortec Gasoline Engine: This versatile gasoline powerplant delivers ample power for everyday hauling and towing needs. It's paired with a Hydra-Matic 6-speed automatic transmission, offering a smooth and responsive driving experience.
    • Optional 6.6L Duramax Turbo-Diesel V8 Engine: For maximum towing and hauling prowess, the Duramax diesel is the undisputed champion. It produces exceptional torque, making it ideal for fifth-wheel and gooseneck trailers, as well as heavy payloads. This engine is mated to an Allison 1000 6-speed automatic transmission, renowned for its durability and ability to handle high torque loads.

  • Safety Features: GMC equipped the Sierra 3500HD with a suite of safety features designed to protect occupants and assist the driver:

    • StabiliTrak with Trailer Sway Control: This advanced electronic stability control system helps maintain directional control in various driving conditions, particularly when towing. It can automatically detect and reduce trailer sway.
    • Antilock Braking System (ABS): Ensures controlled braking and prevents wheel lock-up during hard stops, maintaining steering control.
    • Traction Control: Helps prevent wheel spin on slippery surfaces, improving grip and acceleration.
    • Airbags: A comprehensive system of frontal, side-impact, and curtain airbags provides crucial occupant protection in the event of a collision.
    • Hill Start Assist: Prevents the vehicle from rolling backward when starting on an incline, providing confidence and ease when towing uphill.
    • Available Integrated Trailer Brake Controller: Allows for seamless control of trailer brakes directly from the cabin, enhancing towing safety and responsiveness.

  • Trim Levels: The 2015 Sierra 3500HD was available in several well-equipped trim levels, each offering increasing levels of luxury and technology:

    • Sierra: The foundational trim, offering essential heavy-duty capabilities and a no-nonsense approach to work.
    • SLT: Steps up with more comfort and convenience features, often including upgraded interior materials and more advanced infotainment options.
    • All Terrain (late availability, potentially for specific configurations): While not as prominently featured as in lighter duty trucks, the Sierra HD often had packages or variants that appealed to those seeking slightly more off-road oriented styling or capability within the heavy-duty framework. Note: The "All Terrain" designation in HD trucks might focus more on appearance and comfort for those who also use their trucks for recreational pursuits.
    • Denali: The pinnacle of luxury and refinement, the Denali trim elevates the Sierra 3500HD with premium materials, advanced technology, exclusive styling cues, and a more car-like driving experience for a heavy-duty truck.

  • Other Notable Aspects:

    • Impressive Towing and Payload Capacities: The defining characteristic of the 3500HD, it boasts substantial towing ratings, especially with the Duramax diesel, making it a top choice for heavy-duty towing applications like large fifth-wheel RVs, gooseneck trailers, and heavy equipment.
    • Robust Construction: Built on a fully boxed frame, the Sierra 3500HD is engineered for strength and durability, providing a solid foundation for its heavy-duty capabilities.
    • Comfortable and Quiet Cabin: Despite its rugged nature, GMC worked to make the cabin of the Sierra 3500HD a comfortable place to be, with improved sound deadening and well-designed seating, especially in higher trims.

What to Expect

Ownership of a 2015 GMC Sierra 3500HD typically involves an experience centered around its core purpose: getting work done. Expect a truck that feels substantial and planted on the road, particularly when loaded or towing. The ride quality, while firm, is generally well-controlled, and the cabin is remarkably quiet for a heavy-duty vehicle, especially at highway speeds.

Maintenance: Like any heavy-duty truck, the Sierra 3500HD requires regular maintenance to ensure optimal performance and longevity. This includes oil changes, filter replacements, and inspections of key components like brakes, suspension, and drivetrain. The Duramax diesel engine may have specific maintenance requirements, such as fuel filter changes, that are crucial for its proper operation. Adhering to the recommended maintenance schedule in the owner's manual is paramount. Expect routine maintenance costs to be higher than those for a light-duty pickup truck due to the larger and more robust components.

Insurance: Insurance premiums for a 2015 GMC Sierra 3500HD will likely be higher than for smaller vehicles. This is due to its higher replacement cost, larger engine size, and the potential for higher repair costs associated with its heavy-duty components. Factors like your driving record, location, coverage choices, and the specific trim level will influence the exact cost.

Potential Considerations

  • Fuel Economy: While the Duramax diesel offers superior torque for towing, neither engine will be a fuel-sipping champion. Expect significantly lower miles per gallon compared to lighter trucks, especially when towing or under load. This is an inherent trade-off for its immense capability.
  • Maneuverability: The large footprint and long wheelbase of the Sierra 3500HD can make it less nimble in tight urban environments or parking lots. Drivers accustomed to smaller vehicles may need to adjust to its turning radius and overall size.
  • Ride Quality When Unloaded: While comfortable for a heavy-duty truck, the ride can feel a bit stiff or "bouncy" when the truck is unladen, particularly over rougher surfaces. This is a common characteristic of trucks designed for heavy payloads and towing.
  • Cost of Ownership (Beyond Purchase Price): Beyond maintenance and insurance, consider the potential cost of tires, which are typically larger and more expensive for HD trucks, and the fuel costs, as mentioned earlier.

Overall Summary

The 2015 GMC Sierra 3500HD is a purpose-built machine that excels at the most demanding tasks. It offers a potent combination of powerful engine options, robust construction, and advanced towing features, making it an exceptional choice for commercial use, serious hauler, and those who require the utmost in heavy-duty capability. While it demands a commitment to maintenance and comes with the expected trade-offs of a large, powerful truck, its ability to reliably handle heavy loads and provide a comfortable, albeit substantial, driving experience solidifies its position as a leader in its class.

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Listed on March 28, 2026 (12 days ago)
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Cruz™ Disclaimer: Vehicle details shown on this site are provided by sellers or third parties. Cruz™ does not independently verify this information and is not liable for its accuracy. All services and content are offered without any warranty, either expressed or implied. Learn more here.MPG & Max Range: Fuel economy estimates are provided by the EPA and are intended for comparison purposes only. Your actual mileage will vary depending on driving conditions, vehicle condition, and other factors.Price: Prices shown may not include taxes, fees, or other charges. Prices and availability are subject to change without notice. Contact the seller for the most current pricing information.Options & Features: Installed options may not be shown. Contact the seller for more information about available features and options.