Cobb Luxury Cars

1400 Atlanta Rd SE, Marietta, GA 30060
4.1
4.1 out of 5 stars

Used 2015 GMC Sierra 2500HD SLE

99,920 miles
For Sale:$24,700
Estimated payment:$560/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

Value ChartA visual chart indicating the fair price range is between $27,200 and $32,000, while the current price is $24,700.$27,200 - $32,000$24,700
  • Priced at $24,700, this vehicle is $2,500 (9%) below the low end of its fair market value of $27,200.

  • The current fair market price range is between $27,200 to $32,000.

  • It has 99,920 miles, which is 73,780 (42%) below the median mileage of 173,700.

Note: This is an estimate based on a variety of factors (experimental feature). It is intended to provide a fair market value range to help guide your buying decision.

View Full Value Report
  • Truck
  • Pickup
  • Extended Cab
  • Heavy Hauler
  • Extended Front Legroom
  • Condition
    Used
  • Mileage
    99,920miles
  • Aggregate Ratings
    3.4
    3.4 out of 5 stars
  • Generation
    3(2014 - 2019)
  • Trim
    SLE
  • Drivetrain
    4X4
  • Transmission
    6-Speed Shiftable Automatic
  • Exterior Color
    Sonoma Red Metallic (Red & Orange)Factory Paint Code:GCE
  • Interior Color
    Jet Black Dark Ash (Black)Factory Paint Code:H2S
  • Size Segment
    Heavy Duty
  • Doors
    4
  • Max Seating
    6
  • Max Towing Capacity
    13,000lbs.
  • Weight Class
    6,000-10,000 lbs. (2)
  • Ground Clearance
    9.5inch
  • NHTSA Safety Ratings
    3
    3 out of 5 stars
  • Final Assembly Point
    Fort Wayne, Indiana
  • VIN
    1GT22YE80FZ106372

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

2015 GMC Sierra 2500HD

The 2015 GMC Sierra 2500HD is a formidable heavy-duty pickup truck built for serious work and towing. It offers robust performance, a comfortable and well-appointed interior, and the legendary capability expected from the Sierra HD lineup. This model year brought a significant redesign, making it a compelling choice for those needing a truck that can handle demanding jobs.

Highlights

  • Engine Options:

    • 6.0L Vortec V8: This gasoline engine provides ample power for everyday hauling and towing needs. It's a reliable workhorse known for its stout performance.
    • 6.6L Duramax Turbo-Diesel V8: The star of the show for heavy-duty applications. This diesel engine delivers exceptional torque, making it ideal for towing large trailers, fifth-wheels, and goosenecks with ease. It's renowned for its pulling power and efficiency under load.
  • Safety Features:

    • StabiliTrak Stability Control: Helps maintain control of the vehicle during challenging driving conditions, especially when towing, by automatically detecting and reducing skidding.
    • Trailer Sway Control: Works in conjunction with StabiliTrak to detect and mitigate trailer sway, providing a safer towing experience.
    • Hill Start Assist: Prevents the truck from rolling backward when starting on an incline, crucial for hitching and unhitching trailers.
    • Rear Vision Camera: Aids in backing up, especially when connecting to trailers, improving visibility and safety.
    • Available Forward Collision Alert and Lane Departure Warning: These advanced driver-assistance systems can help prevent accidents by alerting the driver to potential hazards.
  • Trim Summary:

    • Sierra: The base trim offers essential features and robust capability, making it a no-nonsense work truck.
    • SLE: Steps up with more comfort and convenience features, including upgraded interior materials, power-adjustable features, and enhanced infotainment.
    • All-Terrain (2500HD Specific): Designed for those who venture off the beaten path, this trim adds unique styling cues, off-road suspension enhancements, and all-terrain tires for increased capability in rougher conditions.
    • Denali: The premium offering, the Denali boasts luxurious interior appointments, advanced technology, and distinctive exterior styling, providing a refined experience for a heavy-duty truck.
  • Other Notable Aspects:

    • Strong Towing and Payload Capacity: The Sierra 2500HD is engineered to handle substantial loads, making it a go-to choice for contractors, farmers, and RV enthusiasts.
    • Comfortable and Quiet Ride: Despite its heavy-duty nature, the 2015 Sierra 2500HD offers a surprisingly comfortable and composed ride, even when unloaded, thanks to its well-tuned suspension.
    • Spacious and Functional Interior: The cabin is designed for practicality and comfort, with ample storage solutions and user-friendly controls. Higher trims offer premium materials and advanced infotainment systems.
    • Distinctive Exterior Styling: The 2015 model features a bold and aggressive front-end design that clearly communicates its heavy-duty capabilities.

What to Expect

Ownership of a 2015 GMC Sierra 2500HD is generally characterized by its unwavering capability and robust build quality. You can expect this truck to be a dependable partner for demanding tasks. Maintenance will be more substantial than a light-duty truck, with larger tires, brakes, and more robust engine components. Regular oil changes, filter replacements, and fluid checks are crucial, especially for the Duramax diesel engine, where following the recommended service intervals for diesel-specific fluids and filters is paramount.

Insurance costs will likely be higher than for a smaller vehicle due to the truck's size, weight, and higher replacement value, especially if it's equipped with the Duramax diesel engine and higher trim levels. Fuel economy, particularly with the diesel engine, will be better than the gasoline V8 when towing heavy loads, but in everyday driving, expect fuel consumption to be higher than smaller trucks.

Potential Considerations

  • Diesel Engine Maintenance Costs: While the Duramax diesel is incredibly capable, its maintenance can be more expensive than the gasoline engine. Specific diesel fuel filters, exhaust fluid (if equipped with DEF, though less common on the '15), and potential for more complex repairs down the line are factors to consider.
  • Ride Comfort When Unloaded: While improved for its class, the heavy-duty suspension can still result in a firmer ride when the truck is not carrying a load or towing.
  • Maneuverability: The sheer size of the 2500HD can make it less agile in tight urban environments or crowded parking lots compared to smaller trucks.
  • Infotainment System Maturity: While functional, the infotainment system is of its era and may not offer the same seamless smartphone integration or feature set as newer vehicles.

Overall Summary

The 2015 GMC Sierra 2500HD is a highly capable and well-rounded heavy-duty pickup truck. It excels in towing and hauling, offering a choice between a strong gasoline V8 and a torque-rich Duramax diesel. With a comfortable and refined interior, especially in higher trims like the Denali, it provides a pleasant ownership experience for those who regularly need to tackle demanding jobs. While routine maintenance might be more involved and costly than a light-duty truck, its durability and performance make it a worthwhile investment for serious truck users.

0view
Listed on April 23, 2026 (2 hours ago)
Not the right one?55 similar vehicles available nationwide
View Similar Vehicles

This Used 2015 GMC Sierra 2500HD SLE is available for drivers in Atlanta, Marietta, Alpharetta, Decatur, Stone Mountain, Duluth, Canton, Douglasville ...

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.