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Marsh Auto Sales LLC

110 South Ortonville Road, Ortonville, MI 48462
4.5
4.5 out of 5 stars
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Used 2020 GMC Sierra 3500HD Denali

148,062 miles
For Sale:$39,900
Estimated payment:$905/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

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2020-gmc-sierra-3500hd-4wd-crew-cab-172-denali.jpg
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2020-gmc-sierra-3500hd-4wd-crew-cab-172-denali.jpg
  • Truck
  • Pickup
  • Crew Cab
  • Luxury
  • Very Comfortable
  • Extended Front Legroom
  • Condition
    Used
  • Mileage
    148,062miles
  • Aggregate Ratings
    4
    4 out of 5 stars
  • Generation
    4(2020 - 2026)
  • Drivetrain
    4X4
  • Transmission
    Automatic
  • Exterior Color
    Black
  • Interior Color
    Jet Black (Black)Factory Paint Code:H2X
  • Size Segment
    Heavy Duty
  • Doors
    4
  • Max Seating
    5
  • Final Assembly Point
    Flint, Michigan
  • VIN
    1GT49WEY8LF186851

Engine

6.6 Liter 8 Cylinder Engine Diesel

Message from the seller

This 2020 GMC Sierra 3500HD Denali Crew Cab 4x4 Duramax is equipped with a powerful 6.6L V8 Duramax diesel engine and automatic transmission, with 148,062 miles. The Denali trim offers a refined interior with premium materials, spacious seating, and plenty of room for both passengers and cargo. Well-appointed and built to handle whatever you need, this truck is ready for its next owner. Call 248-382-5666 or stop in today before it,s gone. Vehicle Information: Body Style: Crew Cab Pickup Truck, Long Bed Exterior Color: Black Interior Color: Black Mileage: 148,062 Engine: 6.6L V8 Duramax Transmission: Automatic Drivetrain: 4x4 Fuel Type: Diesel Highlighted Features: *Clean Carfax *Remote Start *Tow Package *USB/AUX Connect *Navigation *Touch Screen Radio *Premium Bose Audio *Apple Carplay/Android Audio *Bluetooth Compatible *Wireless Charging Pad *Heads Up Display *Front Collision Assist *Lane Assist *Blind Spot Assist *360 Degree Camera System *Front/Rear Park Assist *XM Ready *Sunroof *Rear Heated Seats *Memory Driver Seat *Heated Steering Wheel *Front Heated & Ventilated Seats *Leather Seats *Cruise Control *Steering Wheel Controls *Power Rear Sliding Windows *Power Folding Mirrors *Power Seats *Power Mirrors *Power Windows *Power Door Locks FOR MORE INFORMATION CALL US AT (248) 382-5666 Marsh Auto Sales is a trusted, family-owned used car dealership in Ortonville, MI. We proudly serve customers across Michigan and beyond, helping them to find the right vehicle that fits their lifestyle and budget. Our team is committed to making the car-buying process simple, straightforward, and stress-free. With an extensive inventory, we're here to help customers find a vehicle that suits their needs- whether it's a reliable daily driver or a fun weekend ride! We have over 150 vehicles to choose from! Browse our full inventory or submit a credit application online at MarshAutoSalesLLC.com Vehicle Located at: Marsh Auto Sales, LLC 110 S Ortonville Road Ortonville, MI 48462 Business Hours: Monday & Thursday: 9:30 am,8:00 pm Tuesday, Wednesday, & Friday: 9:30 am,6:00 pm Saturday: 9:30 am,4:00 pm Sunday: Closed Disclaimer: Marsh Auto Sales, LLC relies on information provided by vehicle manufacturers and other third-party sources. While every effort is made to ensure accuracy, exact configurations, specifications, colors, and accessories are not guaranteed. All prices and availability are subject to change without notice. Prices exclude taxes, title, license, registration, dealer preparation, finance charges, and documentation fees. All vehicles are sold AS-IS, with optional third-party warranty coverage available for added protection. Please note that some vehicles may not qualify for certain warranty programs. Tags: used truck, Ortonville, Holly, Clarkston, Fenton, Springfield, Linden, Used Cars, Pre Owned vehicles, Financing Available, Bad Credit, No Credit, Auto dealership, Warranty options, warranties available, Late hours, Open weekends 21871

2020 GMC Sierra 3500HD: A Comprehensive Overview

The 2020 GMC Sierra 3500HD stands as a formidable contender in the heavy-duty pickup truck segment, built to tackle the toughest jobs with unwavering capability and a touch of premium refinement. Designed for those who demand serious hauling and towing power, the Sierra 3500HD offers a robust platform with a focus on durability, advanced technology, and a comfortable driving experience, even when burdened with heavy loads.

Highlights

  • Powertrain Prowess: The 2020 Sierra 3500HD is powered by one of two potent engine options, both engineered for exceptional torque and towing capacity.
    • 6.6L V8 Gas Engine: This engine delivers a healthy output, providing ample power for everyday hauling and towing needs. It's a reliable choice for those who prioritize gasoline power.
    • Duramax 6.6L V8 Turbo-Diesel Engine: This legendary diesel powerhouse is the star of the show for extreme towing. It produces massive torque, allowing the Sierra 3500HD to pull significantly heavier trailers with ease, making it ideal for commercial use or demanding recreational pursuits like fifth-wheel towing.
  • Advanced Safety Features: GMC equips the Sierra 3500HD with a suite of available driver-assistance technologies designed to enhance awareness and mitigate potential collisions.
    • Forward Collision Alert: This system monitors the distance to the vehicle ahead and warns the driver of a potential frontal collision, helping to prevent or reduce the severity of impact.
    • Lane Departure Warning: By sensing unintended lane drift, this feature alerts the driver, promoting safer lane keeping, especially during long drives.
    • Automatic Emergency Braking: In certain scenarios, if a frontal collision is imminent and the driver doesn't react, this system can automatically apply the brakes to help avoid or reduce the impact.
    • StabiliTrak® Stability Control with Trailer Sway Control: This integrated system helps maintain vehicle stability in various driving conditions and automatically counteracts trailer sway, providing confidence when towing.
    • Available HD Surround Vision: This innovative system uses multiple cameras to provide a 360-degree view around the truck, making it easier to maneuver in tight spaces and hitch trailers.
  • Trim Level Strength: The 2020 Sierra 3500HD offers a range of trims, each catering to different needs and preferences, with a clear progression in features and luxury.
    • Pro: This is the no-nonsense workhorse, focusing on essential functionality and durability for the toughest jobs. It's designed for maximum utility.
    • SLE: Stepping up from the Pro, the SLE adds more comfort and convenience features, making it a more well-rounded option for professionals who also value a more pleasant driving experience.
    • SLT: The SLT introduces a more premium feel with enhanced interior appointments and a greater array of technology and comfort features, bridging the gap between utility and luxury.
    • AT4: The AT4 is specifically designed for off-road enthusiasts, featuring a dedicated off-road suspension, skid plates, and other rugged enhancements to conquer challenging terrain.
    • Denali: Representing the pinnacle of Sierra HD luxury, the Denali offers an exceptionally refined interior, premium materials, and the most advanced technology and comfort features available in the lineup.
  • Innovative Towing Technology: GMC's focus on towing is evident in features like the ProGrade™ Trailering System, which includes a variety of camera views, trailer length indicator, and an integrated trailer brake controller, all designed to simplify and enhance the towing experience.

What to Expect

Owning a 2020 GMC Sierra 3500HD is generally characterized by robust performance and a truck-centric driving experience. Daily driving, especially in urban environments, will feel substantial due to its size and heavy-duty construction. However, when unladen, the ride can be firm, which is typical for vehicles designed for heavy hauling.

Maintenance: Routine maintenance for a heavy-duty truck like the Sierra 3500HD will involve oil changes, filter replacements, and tire rotations. However, due to the powerful engines and complex systems, it's recommended to adhere strictly to the manufacturer's recommended maintenance schedule. The Duramax diesel, in particular, requires specific diesel oil and filter changes, which may be more costly than gasoline counterparts. Accessing certain components for DIY maintenance can also be more challenging due to the truck's sheer size.

Insurance: Insurance costs for a 2020 GMC Sierra 3500HD are likely to be higher than for a standard passenger vehicle. This is due to its higher purchase price, larger engine size, and its primary use for heavy towing, which can be perceived as a higher risk. Factors like your driving record, location, and chosen coverage levels will significantly impact the final premium.

Potential Considerations

  • Size and Maneuverability: The sheer size of the Sierra 3500HD can be a significant factor for some buyers. Navigating tight parking lots, city streets, and even some rural roads can be challenging, requiring extra caution and awareness of its dimensions.
  • Fuel Economy: While the Duramax diesel offers excellent towing efficiency, both engine options will have lower fuel economy ratings compared to lighter-duty trucks or SUVs. This is a trade-off for the immense power and capability they provide.
  • Ride Comfort When Unladen: As mentioned, the ride quality when the truck is not carrying a load or towing a trailer can be on the firmer side. This is a deliberate design choice to ensure stability under heavy loads, but it might not be as plush as some lighter trucks.
  • Cost of Diesel Fuel and Maintenance: If opting for the Duramax diesel, be prepared for higher diesel fuel prices and potentially more expensive maintenance services and parts compared to gasoline engines.

Overall Summary

The 2020 GMC Sierra 3500HD is an exceptional choice for individuals and businesses that require uncompromising towing and hauling capability. It offers a powerful and durable platform, enhanced by modern technology and a range of trims to suit various needs, from dedicated work trucks to more luxuriously appointed haulers. While its size and fuel consumption are considerations, its ability to confidently tackle the most demanding tasks makes it a highly capable and reliable partner for serious towing and hauling.

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Listed on April 7, 2026 (2 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.