Two Brothers Auto Sales

2601 US 78, Loganville, GA 30052
3.4
3.4 out of 5 stars
1view

Used 2011 GMC Sierra 3500HD SLT

294,429 miles
For Sale:$14,950

$1,000(-6.3%)price drop

Estimated payment:$339/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

Value ChartA visual chart indicating the fair price range is between $22,700 and $26,700, while the current price is $14,950.$22,700 - $26,700$14,950
  • Priced at $14,950, this vehicle is $7,750 (34%) below the low end of its fair market value of of $22,700.

  • The current fair market price range is between $22,700 to $26,700.Please exercise caution, as the price is significantly below average.

  • It has 294,429 miles, which is 125,329 (74%) above the median mileage of 169,100.

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

SequenceDatePrice ChangeCurrent Price
1.2/21/2026 (2 months ago)$15,950
2.2/21/2026 (2 months ago)-$1,000 (-6.3%)$14,950
  • Truck
  • Pickup
  • Crew Cab
  • Vaulted Headroom
  • Condition
    Used
  • Mileage
    294,429miles
  • Aggregate Ratings
    3.2
    3.2 out of 5 stars
  • Generation
    2(2007 - 2014)
  • Drivetrain
    4X4
  • Transmission
    6-Speed Shiftable Automatic
  • Exterior Color
    Onyx Black (Black)Factory Paint Code:41U
  • Interior Color
    Ebony (Black)Factory Paint Code:193
  • Upholstery
    Leather
  • Size Segment
    Heavy Duty
  • Doors
    4
  • Max Seating
    5
  • Max Towing Capacity
    21,100lbs.
  • Weight Class
    10,000-14,000 lbs. (3)
  • Bed Length
    97.8in.
  • Ground Clearance
    8.4inch
  • Final Assembly Point
    Flint, Michigan
  • VIN
    1GT424C84BF177106
  • Starting MSRP
    $46,390

Engine6.6L V8 Diesel 397hp

  • Fuel Type:Diesel
  • Max Horsepower:397 hp @ 3000 rpm
  • Power to Weight Ratio:17.87lbs/hp
  • 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

2011 gmc sierra slt diesel 6.6L V8 4wd 294kmiles Vin: 1GT424C84BF177106 Runs and drives great, strong engine and transmission. Diesel. Power windows and doors, leather seats, backup camera, navigation, dual climate control, tool box with working lock, small locking compartment in console, clean inside and out, air condition and heat work. Has a clean title NO TRADES FINANCE APP/ view inventory Twobrothersautosalesga.com

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

  • Reliability (4)
    4 out of 5 stars
    Generally considered a reliable truck, known for its durability and ability to withstand heavy use.
  • Maintenance (3)
    3 out of 5 stars
    Maintenance costs can be higher than smaller vehicles due to its size and heavy-duty components, but parts are readily available.
  • Technology (2)
    2 out of 5 stars
    Technology features are basic by today's standards, lacking modern infotainment and driver-assist systems.
  • Comfort (3)
    3 out of 5 stars
    The SLT trim offers a decent level of comfort for a heavy-duty truck, with comfortable seats, but road noise can be noticeable on longer trips.
  • Dynamics (4)
    4 out of 5 stars
    Powerful engine and capable towing, but can feel a bit heavy and less agile in everyday driving.

  • Comfort & Seating:

    • Heated Seats
    • Power Seats
  • Convenience:

    • Automatic Climate Control
    • Remote Start
  • Entertainment:

    • Bluetooth
    • Premium Audio
    • Satellite Radio
  • Exterior:

    • Heated Mirrors
    • Tinted Windows
  • Other:

    • Trailer Hitch

  • Air Conditioning

    • Front air conditioning: automatic climate control
    • Front air conditioning zones: dual
  • Airbags

    • Front airbags: dual
  • Audio System

    • Premium brand: Bose
    • In-Dash CD: MP3 Playback
    • Subwoofer: 1
    • Total speakers: 6
    • Radio: AM/FM
    • Radio data system
    • Auxiliary audio input: jack
    • Auxiliary audio input: USB
    • Satellite radio: SiriusXM
  • Brakes

    • Rear brake width: 1.34
    • Front brake width: 1.57
    • Rear brake type: ventilated disc
    • Rear brake diameter: 14.2
    • Front brake diameter: 14
    • Front brake type: ventilated disc
    • ABS: 4-wheel
    • Power brakes
  • Comfort Features

    • Floor mat material: rubber/vinyl
    • Steering wheel trim: leather
    • Floor mats: rear
    • Floor mats: front
    • Floor material: carpet
  • Convenience Features

    • Cupholders: front
    • Memorized settings: 2 driver
    • Steering wheel: tilt
    • Center console: front console with storage
    • One-touch windows: 2
    • Reading lights: front
    • Cruise control
    • Power steering
    • Multi-function remote: keyless entry
    • Steering wheel mounted controls: audio
    • Memorized settings: driver seat
    • Power outlet(s): two 12V
    • Vanity mirrors: dual illuminating
    • Assist handle: rear
    • Remote engine start
    • Rearview mirror: auto-dimming
    • Steering wheel mounted controls: cruise control
    • Steering wheel mounted controls: paddle shifter
    • Assist handle: front
    • Cupholders: rear
  • Drivetrain

    • 4WD type: part time
    • 4WD selector: electronic hi-lo
    • Axle ratio: 3.73
    • Locking differential: rear
  • Engine

    • Battery saver
    • Battery: heavy duty
    • Battery rating: 600 CCA
    • Alternator: 125 amps
    • Auxiliary oil cooler
    • Battery: maintenance-free
  • Exterior Features

    • Mirror color: black
    • Pickup bed light
    • Body side moldings: body-color
    • Grille color: chrome surround
    • Exhaust tip color: stainless steel
    • Rear bumper color: chrome
    • Front bumper color: chrome
  • Instrumentation

    • Gauge: transmission temperature
    • Gauge: tachometer
    • Multi-function display
    • Gauge: oil pressure
    • Fuel economy display: MPG
    • Fuel economy display: range
    • Warnings and reminders: maintenance due
    • Trip odometer
  • Lights

    • Daytime running lights
    • Front fog lights
    • Headlights: auto on/off
  • Mirrors

    • Side mirrors: integrated turn signals
    • Side mirror adjustments: power
    • Side mirrors: heated
    • Towing mirrors
  • Safety

    • Child seat anchors
    • Child safety door locks
  • Seatbelts

    • Rear seatbelts: 3-point
    • Front seatbelts: 3-point
  • Seats

    • Driver seat power adjustments: height
    • Passenger seat power adjustments: height
    • Passenger seat: heated
    • Driver seat: heated
    • Driver seat power adjustments: 10
    • Rear headrests: 2
    • Front headrests: 2
    • Passenger seat power adjustments: 10
    • Front seat type: bucket
    • Upholstery: leather
    • Rear seat type: 60-40 split bench
    • Rear headrests: adjustable
    • Front headrests: adjustable
    • Driver seat power adjustments: lumbar
    • Passenger seat power adjustments: lumbar
    • Rear seat folding: folds up
    • Driver seat power adjustments: reclining
    • Passenger seat power adjustments: reclining
  • Security

    • Power door locks
  • Suspension

    • Front suspension classification: independent
    • Rear suspension classification: solid live axle
    • Rear spring type: leaf
    • Front spring type: torsion bars
    • Rear suspension type: multi-leaf
    • Rear shock type: gas
    • Front shock type: gas
    • Front stabilizer bar: diameter 34 mm
    • Front suspension type: short and long arm
  • Telematics

    • Satellite communications: OnStar
    • Wireless data link: Bluetooth
  • Tires and Rims

    • Tire type: all season
    • Spare tire mount location: underbody
    • Wheels: painted steel
    • Spare tire size: full-size
    • Spare wheel type: polished aluminum alloy
  • Towing and Hauling

    • Tow hooks: front
    • Auxiliary transmission fluid cooler
    • Trailer hitch: ready
    • Trailer wiring: 7-pin
    • Trailer brake controller
  • Windows

    • Front wipers: intermittent
    • Window defogger: rear
    • Power windows
    • Solar-tinted glass

  • Seating:

    • Seating Rows:2
    • Standard Seating:5
    • Max Seating:5
    • Head Room (front):41.3in.
    • Leg Room (front):41.3in.
    • Shoulder Room (front):65.2in.
    • Hip Room (front):60.3in.
    • Head Room (rear):40.6in.
    • Leg Room (rear):39in.
    • Shoulder Room (rear):65.2in.
    • Hip Room (rear):65.5in.
  • Measurements:

    • Length:259.1in.
    • Width:95.9in.
    • Height:77.9in.
    • Bed Length:97.8in.
    • Ground Clearance:8.4in.
    • Wheelbase:167.7in.
    • Front Track:68.8in.
    • Rear Track:75in.
  • Weight:

    • Curb Weight:7,095lbs
    • Gross Weight:13,000lbs
  • Wheels & Tires:

    • Wheel Diameter:17.0 x 6.5in.
    • Wheel Diameter (rear):17.0 x 6.5in.
    • Tire:LT235/80R17E
    • Tire (rear):LT235/80R17E
  • Performance:

    • Power to Weight Ratio:17.87lbs/hp
    • Turning Circle:55.4ft.
    • Max Payload:5,905lbs
    • Towing Capacity:8,700lbs
    • Max Towing Capacity:21,100lbs
  • Fuel Tank:

    • Fuel Tank Volume:36gallon

All warranties have now EXPIRED

  • Corrosion Perforation
    6 years/100,000 miles
  • Powertrain
    5 years/100,000 miles
  • Courtesy Transportation
    5 years/100,000 miles
  • 24 Hour Roadside Assistance
    5 years/100,000 miles
  • Bumper-to-Bumper
    3 years/36,000 miles

  • Abs Four Wheel
  • Airbags Front Driver
  • Airbags Front Passenger
  • Daytime Running Lights

  • California LEV-II ULEV:

    • Air Pollution Score:1
    • Fuel Type:Diesel
    • Epa Underhood Id:BGMXD06.6365

2011 GMC Sierra 3500HD Overview

The 2011 GMC Sierra 3500HD is a heavy-duty pickup truck engineered for demanding work and serious towing/hauling needs. It represents a robust and capable option within the full-size truck segment, emphasizing strength, durability, and a comfortable, feature-rich interior for its class. This iteration of the Sierra 3500HD continues GMC's legacy of building trucks that can handle the toughest jobs.

Highlights

  • Engine Options: The 2011 Sierra 3500HD offers two potent engine choices, both designed for maximum power and torque:

    • 6.0L V8 Vortec Gasoline Engine: This standard engine provides ample power for most heavy-duty tasks. It delivers strong performance and is a capable choice for those who may not regularly tow extremely heavy loads but still need significant capability.
    • 6.6L Duramax Turbo-Diesel V8 Engine: This is the powerplant for those who truly push the limits. The Duramax diesel is renowned for its immense torque, excellent fuel efficiency (for a heavy-duty truck), and legendary durability. It's the go-to choice for frequent heavy towing and hauling.
  • Safety Features: While a heavy-duty truck, the 2011 Sierra 3500HD is equipped with essential safety features to protect occupants:

    • StabiliTrak® Stability Control System with Trailer Sway Control: This system actively monitors the vehicle's trajectory and can intervene by applying brakes to individual wheels and reducing engine power to help the driver maintain control, especially when towing a trailer that may be swaying.
    • Antilock Braking System (ABS): Standard on all wheels, ABS prevents wheel lock-up during hard braking, allowing the driver to maintain steering control and reducing stopping distances, particularly on slippery surfaces.
    • Front and Side Curtain Airbags: Providing essential occupant protection in the event of a collision.
    • OnStar® Communications System (Optional/Subscription-based): Offers features like automatic crash response, emergency services, and stolen vehicle assistance, providing an added layer of security and peace of mind.
  • Trim Summary: The 2011 GMC Sierra 3500HD is available in distinct trims, each offering a progressively more refined and feature-packed experience:

    • Sierra Work Truck (WT): The foundational trim, focusing on essential functionality and durability. It's built for pure work, often featuring vinyl seating and basic amenities.
    • Sierra SLE: Steps up the comfort and convenience with features like power windows and locks, cruise control, and upgraded interior appointments.
    • Sierra SLT: Offers a more luxurious and feature-rich experience, typically including leather seating, premium audio systems, and advanced convenience features.
    • Sierra Denali (Optional/Specific Configurations): While not a dedicated 3500HD trim for all configurations, certain heavy-duty models could be optioned with Denali-like luxury, offering the highest level of refinement, premium materials, and advanced technology available in the Sierra lineup.
  • Other Notable Aspects:

    • Robust Chassis and Suspension: The 3500HD is built on a heavy-duty frame designed to handle significant payload and towing capacities. Its suspension is tuned for stability and control under load.
    • Towing and Hauling Prowess: This is the primary strength of the 3500HD. It boasts impressive maximum towing and payload ratings, making it suitable for fifth-wheel/gooseneck trailers, large conventional trailers, and substantial cargo.
    • Integrated Trailer Brake Controller (Optional): For diesel models, this factory-installed option integrates with the truck's braking system to control the electric trailer brakes, enhancing towing safety and performance.
    • Comfortable Ride for a Heavy-Duty Truck: While not a luxury SUV, the Sierra 3500HD generally offers a more compliant and comfortable ride than many of its direct competitors in its class, especially when unladen.

What to Expect

Owning a 2011 GMC Sierra 3500HD is typically an experience centered around capability and reliability. You can expect a truck that feels solid and planted on the road, especially when carrying a load or towing. The diesel engine, in particular, offers a distinct rumble and a feeling of immense power.

Maintenance: Like any heavy-duty truck, especially those with diesel engines, regular and diligent maintenance is crucial for longevity.

  • Oil Changes: Frequent oil changes are essential, particularly for the diesel engine, using the correct specifications of heavy-duty diesel engine oil.
  • Fluid Checks: Regular checks of all fluids, including coolant, transmission fluid, and brake fluid, are important.
  • Tire Rotation and Balancing: Given the weight the truck carries, regular tire maintenance is key to maximizing tire life and maintaining a smooth ride.
  • Diesel Specific Maintenance: For the Duramax, expect potential maintenance related to the exhaust gas recirculation (EGR) system, fuel injectors, and the diesel particulate filter (DPF), depending on how the truck has been driven and maintained.
  • Scheduled Services: Adhering to GMC's recommended maintenance schedule for filters, belts, and other wear items will prevent premature component failure.

Insurance: Insurance costs for a 2011 GMC Sierra 3500HD will generally be higher than for a standard half-ton pickup truck. This is due to several factors:

  • Higher Value: Heavy-duty trucks, especially diesel models, tend to have higher purchase prices and retain value well.
  • Higher Repair Costs: The components in heavy-duty trucks, particularly diesel engines and transmissions, are more robust and expensive to repair or replace.
  • Potential for Commercial Use: Many 3500HD trucks are used for commercial purposes, which can sometimes lead to higher insurance premiums.
  • Towing Capabilities: The truck's ability to tow heavy loads may also influence insurance rates.

Potential Considerations

While the 2011 Sierra 3500HD is a highly capable machine, prospective buyers should be aware of certain aspects:

  • Fuel Economy: The gasoline V8 will offer decent, though not exceptional, fuel economy. The Duramax diesel will be significantly more fuel-efficient for its power output, but still less so than a light-duty truck or passenger vehicle. Expect thirstier fuel consumption, especially when towing or hauling.
  • Ride Quality (Unladen): While improved for its class, the ride when the truck is unladen can still be firm and somewhat jarring compared to lighter vehicles. This is a trade-off for its heavy-duty suspension and load-carrying capabilities.
  • Maneuverability: Due to its size and substantial wheelbase, the Sierra 3500HD can be challenging to maneuver in tight spaces, such as parking lots or crowded urban environments. A large turning radius is common.
  • Maintenance Costs (Diesel): While the Duramax diesel is very reliable, repairs and maintenance on diesel components can be more expensive than on gasoline counterparts if issues arise.
  • Towing Expectations: While the truck is built for towing, exceeding its Gross Combined Weight Rating (GCWR) or payload capacity can lead to safety issues and premature wear on components. Always adhere to the truck's weight limits.

Overall Summary

The 2011 GMC Sierra 3500HD stands as a formidable and dependable heavy-duty pickup truck. It excels in its primary mission: providing robust towing and hauling capabilities, especially when equipped with the powerful Duramax turbodiesel engine. While it requires diligent maintenance and offers a firm ride when unloaded, its strength, durability, and the comfort provided by its higher trims make it an outstanding choice for contractors, tradespeople, and individuals who regularly need to tackle demanding work or transport substantial loads. It represents a significant investment in a tool built to perform under pressure.

1view
Listed on February 21, 2026 (2 months ago)
Not the right one?6 similar vehicles available nationwide
View Similar Vehicles
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.