Dossett Big 4 Buick GMC INC.

628 S Gloster St, Tupelo, MS 38801
4.5
4.5 out of 5 stars

Used 2023 GMC Sierra 2500HD SLT

79,837 miles
For Sale:Price Unknown
  • Truck
  • Pickup
  • Crew Cab
  • Condition
    Used
  • Mileage
    79,837miles
  • Aggregate Ratings
    3.8
    3.8 out of 5 stars
  • Generation
    4(2020 - 2026)
  • Trim
    SLT
  • Drivetrain
    4X4
  • Exterior Color
    Summit White (White)Factory Paint Code:GAZ
  • Size Segment
    Heavy Duty
  • Doors
    4
  • Max Seating
    6
  • Max Towing Capacity
    18,500lbs.
  • Ground Clearance
    10.1inch
  • Final Assembly Point
    Flint, Michigan
  • VIN
    1GT49NEY1PF107729

Engine

L5P

* Based on opinions and should be considered as general guidance only.

  • Reliability (4)
    4 out of 5 stars
    GMC heavy-duty trucks generally have a strong reputation for reliability, and the 2023 Sierra 2500HD SLT is expected to follow suit. The powertrain components are robust and designed for demanding work.
  • Maintenance (3)
    3 out of 5 stars
    Maintenance costs are typical for a heavy-duty truck, which can be higher than smaller vehicles due to larger components and fluid capacities. Parts can also be more expensive. However, routine service intervals are standard.
  • Technology (4)
    4 out of 5 stars
    The infotainment system is user-friendly with a responsive touchscreen and good connectivity options. The available camera views are particularly helpful for towing and parking. Some advanced driver-assistance features are present, enhancing safety and convenience.
  • Comfort (4)
    4 out of 5 stars
    The cabin is spacious and the seats are comfortable, especially for long hauls. Road noise is well-managed for a truck of this size, contributing to a pleasant experience. The ride can be a bit firm when unladen, which is typical for an HD truck.
  • Dynamics (4)
    4 out of 5 stars
    The 2023 GMC Sierra 2500HD SLT offers impressive towing and hauling capabilities with a powerful engine. While it's a heavy-duty truck, the steering is reasonably precise for its class, and it feels stable on the highway, even with a load.

2023 GMC Sierra 2500HD: A Heavy-Duty Workhorse

The 2023 GMC Sierra 2500HD is a formidable contender in the heavy-duty pickup truck segment, engineered for those who demand exceptional towing and hauling capabilities without compromising on comfort and technology. Built on a foundation of robust construction and offering a range of powerful powertrains, the Sierra 2500HD is a versatile tool for demanding jobs and adventurous lifestyles.

Highlights

The 2023 Sierra 2500HD boasts an impressive array of features designed to enhance its capability, safety, and overall ownership experience.

  • Powertrain Prowess:
    • Standard 6.6L V8 Gas Engine: This powerhouse delivers a robust 401 horsepower and 464 lb-ft of torque, paired with a 6-speed automatic transmission. It's more than capable for most heavy-duty tasks.
    • Available 6.6L Duramax V8 Turbo-Diesel Engine: For those who truly push the limits, the Duramax diesel offers an astounding 445 horsepower and an immense 910 lb-ft of torque. This engine, coupled with a 10-speed Allison automatic transmission, provides unparalleled towing and hauling grunt, essential for serious commercial use or towing large recreational vehicles.
  • Advanced Safety Features: GMC equips the Sierra 2500HD with a suite of driver-assistance technologies designed to improve awareness and mitigate potential collisions.
    • Forward Collision Alert: Warns the driver of an impending frontal collision with a detected vehicle or pedestrian.
    • Automatic Emergency Braking: Can automatically apply the brakes to help reduce the severity of a frontal collision or avoid a low-speed impact.
    • Lane Departure Warning: Alerts the driver if the vehicle begins to drift out of its lane without signaling.
    • Blind Spot Warning: Monitors the blind spots on either side of the vehicle and alerts the driver if a vehicle is detected.
    • Rear Cross Traffic Alert: Detects approaching traffic when the vehicle is in reverse and alerts the driver.
    • StabiliTrak® Stability Control System: Helps prevent rollovers and loss of control by automatically applying brakes and reducing engine power.
  • Comprehensive Trim Selection: The Sierra 2500HD is available in several well-equipped trims, each offering increasing levels of luxury, technology, and capability.
    • Pro: The foundational trim, designed for pure workhorse functionality, offering essential features for productivity.
    • SLE: Elevates the experience with more comfort and convenience features, bridging the gap between work and everyday use.
    • SLT: Introduces a more refined interior with upgraded materials and additional technology, balancing capability with a premium feel.
    • AT4: Off-road oriented, featuring a 2-inch factory lift, Rancho® monotube suspension, skid plates, and an electronic locking rear differential for enhanced trail capability.
    • Denali: The pinnacle of the Sierra HD lineup, offering the most luxurious interior, advanced technology, and exclusive styling cues for an executive-level heavy-duty experience.
  • Innovative Technology: Beyond safety, the Sierra 2500HD integrates modern tech for convenience and connectivity. Features like the available Multi-Flex Tailgate offer enhanced versatility for loading and unloading, while the intuitive infotainment system keeps drivers connected.

What to Expect

Owning a 2023 GMC Sierra 2500HD is an experience geared towards capability and durability.

  • Ownership Experience: Expect a truck built for the long haul. The Sierra 2500HD is designed to handle strenuous work and frequent towing, making it a reliable partner for demanding tasks. The ride quality, especially when unloaded, can be firm, reflecting its heavy-duty nature, but it becomes much smoother when carrying a load or towing. The cabin is generally spacious and comfortable, particularly in the higher trims, providing a pleasant environment for long drives.
  • Maintenance: As a heavy-duty truck, the Sierra 2500HD will typically have longer maintenance intervals than a light-duty vehicle, but the cost per service might be higher due to specialized fluids and components, especially for the diesel engine. Regular oil changes, filter replacements, and tire rotations are crucial. For the Duramax diesel, specific diesel fuel filters and exhaust fluid (DEF) refills will also be part of the maintenance schedule. Following the recommended maintenance plan outlined in the owner's manual is paramount to ensuring the longevity and optimal performance of the truck.
  • Insurance: Insurance costs for a heavy-duty truck like the Sierra 2500HD are generally higher than for a standard passenger vehicle. This is due to the truck's higher replacement cost, greater towing capacity (which can increase risk in certain situations), and potentially higher repair costs. Factors such as your driving record, location, and chosen coverage levels will significantly influence your insurance premiums.

Potential Considerations

While the 2023 GMC Sierra 2500HD excels in many areas, potential buyers should be aware of a few aspects.

  • Fuel Economy: Heavy-duty trucks, especially those with powerful gasoline or diesel engines, are not known for their fuel efficiency. Expect significantly lower MPG figures compared to lighter-duty trucks or SUVs. This is a necessary trade-off for the immense capability the Sierra 2500HD provides.
  • Maneuverability: Due to its size and wheelbase, the Sierra 2500HD can be less maneuverable in tight urban environments or crowded parking lots. Drivers accustomed to smaller vehicles will need to adjust to its dimensions, utilizing the available camera systems and parking aids.
  • Ride Quality When Unloaded: While improved over past generations, the ride when the truck is not carrying a load or towing can still feel somewhat stiff or "bouncy" compared to lighter-duty pickups or SUVs. This is inherent to its robust suspension system, designed for hauling heavy weights.

Overall Summary

The 2023 GMC Sierra 2500HD stands as a testament to American engineering for those who require serious towing and hauling prowess. With its potent engine options, including the formidable Duramax diesel, advanced safety technologies, and a range of trims catering to diverse needs, it's a highly capable and comfortable heavy-duty pickup. While its fuel economy and maneuverability are considerations inherent to its class, the Sierra 2500HD delivers exceptional performance and reliability for work and play, making it a compelling choice for discerning truck buyers.

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Listed on March 4, 2026 (2 months ago)
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