New 2025 GMC Sierra 2500 HD Pro
- VIN: 1GT4ULEY3SF120784
- Stock: LG20784
Basic Info
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Year:2025
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Exterior:Summit White
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Make:GMC
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Interior:Jet Black, Vinyl seat trim
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Model:Sierra 2500 HD
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Engine:6.6L Duramax Turbo-Diesel V8 engine
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Trim:Pro
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Transmission:Automatic
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Drivetrain:Four Wheel Drive
Contact a Top Rated Specialist


Brandy McKenzie Boyd
Sales Consultant

Nathaniel Smith
Sales Consultant

Kasch Utz
Sales Consultant

Brandy McKenzie Boyd
Sales Consultant
Apr 15, 2025
Very professional.
Very professional. Did everything she could to make our purchase easy. Very good to work with
Apr 10, 2025
Brandy was helpful the whole time.
Brandy was helpful the whole time. She made our experience as easy as it could be. Mr Dearman made the financial side very understanding and helped guide us the whole way.
Apr 04, 2025
Brandy was so helpful with finding me the perfect Trax
Brandy was so helpful with finding me the perfect Trax and then helping me buy it and set it up on the app.
Apr 02, 2025
She was very helpful and nice to deal with I will be
She was very helpful and nice to deal with I will be buying from her in the future
Mar 07, 2025
Brandy was so patient with us, and we never felt
Brandy was so patient with us, and we never felt pressured. I would recommend Brandy 100%!

Nathaniel Smith
Sales Consultant
Apr 03, 2025
Nate was super helpful and happy to answer all of our
Nate was super helpful and happy to answer all of our questions. He made our truck buying experience a very positive one. He is a great addition to the Walt Massey team!
Mar 25, 2025
We had a great experience with Mr.
We had a great experience with Mr. Smith. If we ever have to come back out that way for a vehicle we would for sure come back to him. We would for sure recommend him as well! Thank you for a great experience and hospitality!
Mar 14, 2025
The team at Walt Massey jumped right in to assist our
The team at Walt Massey jumped right in to assist our family. They made the process easy.
Mar 11, 2025
Nathaniel was the first person to approach us.
Nathaniel was the first person to approach us. He was very knowledgeable of the process and of the inventory on the lot. Not only was he knowledgeable but he was very kind and not at all pushy.

Kasch Utz
Sales Consultant
Apr 04, 2025
Brandy was so helpful with finding me the perfect Trax
Brandy was so helpful with finding me the perfect Trax and then helping me buy it and set it up on the app.

DeeDee Keys
Sales Consultant

Jimmy Bradley
Sales Consultant

Michael Miles
Sales Consultant
Key Features
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AWD
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Android Auto
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Apple CarPlay
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Backup Camera
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Bluetooth
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Keyless Entry
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Lane Departure Warning
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Push Start
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Side-Impact Air Bags
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Tow Package
Description
Designed for off-road capability, this model features the X31 Off-Road Package, which includes off-road suspension and Hill Descent Control, helping to maintain stability and control on uneven surfaces. The package also enhances durability with skid plates and an upgraded suspension system, making it ideal for those who need to take their truck beyond paved roads.
The exterior of the Sierra 2500HD Pro is both functional and durable. The Summit White paint is complemented by a chrome grille with flat black insert bars, giving the truck a strong, professional appearance. Practical additions like deep-tinted glass, solar-absorbing tinted glass, and outside power-adjustable black mirrors contribute to improved visibility and comfort in various driving conditions. The EZ Lift Power Lock & Release Tailgate makes loading and unloading the cargo bed more convenient, while the LED cargo area lighting ensures visibility in low-light conditions. A spray-on bedliner provides extra protection against wear and tear, enhancing the truck's long-term durability.
Inside, the cabin is equipped with Jet Black vinyl seating, designed for easy maintenance and durability. The Convenience Package adds comfort and practicality with features such as remote keyless entry, a push-button start, and an electric rear-window defogger. Wireless phone projection allows seamless connectivity to compatible smartphones, while two charge/data USB ports provide additional convenience for charging devices.
For towing and hauling, the integrated trailer brake controller enhances control when pulling heavy loads. The upfitter switch kit allows for easy customization of additional equipment, making it a great option for work applications. A rear vision camera provides additional visibility when maneuvering, and OnStar Services capability offers access to emergency assistance and navigation support.
The 2025 GMC Sierra 2500HD Pro is built for those who need a reliable, capable truck that can handle demanding tasks while offering modern features for comfort and convenience. And with the Walt Massey 3 Day Money Back Guarantee, you have peace of mind knowing that if the vehicle doesnt meet your expectations, you have the option to return or exchange it within three business days, as long as it remains in like-new condition and under the mileage limits specified.
Not all rebates may apply. Some rebates are not compatible with other rebates. Offers are subject to change. See dealer for details. Price includes: $2750 - Buick & GMC Consumer Cash Program. Exp. 04/30/2025 $500 - GM Military Cash Allowance Program. Exp. 01/02/2026
Vehicle Details
Exterior
- Side Bed Step
- Black textured step pads help provide secure footing
- Integrated on forward portion of outer bed on driver and passenger side to provide ease of access to forward portion of the bed
- Black beltline moldings
- Cab-mounted cargo area lamps
- Activated by switch located on center switch bank
- Illuminates the cargo bed area
- IntelliBeam
- At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions
- Chrome rear bumper
- With integrated CornerSteps
- May require additional optional equipment
- Chrome front bumper
- May require additional optional equipment
- Black door handles
- Cargo tie-downs
- 12-fixed rated at 500 lbs. per corner
- Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
- CornerStep rear bumper
- Helps make it easier to get into and out of the pickup bed
- Located at each end of the rear bumper
- Textured step pads to help provide secure footing
- Spare tire carrier lock
- Helps keep spare tire secure
- LED tail lamps
- Tailgate and bed rail protection caps
- Standard tailgate
- Black outside power-adjustable vertical trailering mirrors
- Lower convex mirrors
- Heated upper glass
- Integrated turn signal indicators
- Manual folding/extending
- Extends 3.31-inches
- May require additional optional equipment
- 18" steel painted Silver wheels
- Winter Grille Cover
- May require additional optional equipment
- Tailgate with EZ Lift assist, power lock & release
- Hitch area lighting
- May require additional optional equipment
- 18" LT275/70R18E all-terrain, blackwall tires
- 18" LT275/70R18 all-terrain, blackwall spare tire
- May require additional optional equipment
- Cargo bed LED lighting
- Provides light to find cargo in the bed
- May require additional optional equipment
- Spray-on bedliner
- Provides a Black, textured, non-skid surface that helps protect the bed and minimizes cargo shifting
- Covers the entire bed surface below side rails, front box top rail, gauge hole plugs and tie-downs
- Chemically bonded, the sprayed-on liner permanently bonds to the truck bed, providing a watertight seal
- Does not include spray-on liner on tailgate due to Black composite inner panel
- Includes GMC logo on all trims except PRO
- Smoked Amber LED roof marker lamps
- Roof-mounted lamps near the front of the cab
- Deep-tinted glass
- Provides added protection from sun and glare
Interior
- Inside rearview manual day/night mirror
- Adjust the tilt of the mirror to help reduce glare during nighttime driving
- Remote Keyless Entry
- Allows you to lock and unlock doors of the vehicle with the key fob
- Driver's door or all doors unlock at the touch of a button
- Includes panic alarm button
- Includes remote locking tailgate
- May require additional optional equipment
- 4-way manual driver seat
- Power windows with front passenger express-down
- Quickly lowers the window with the touch of a button
- If an obstruction is detected, the anti-pinch feature will auto-reverse
- 4-way manual front passenger seat
- Power windows with rear express-down
- Single-zone manual climate control
- Maintains a selected temperature
- USB ports
- (2) Data/charge ports located on instrument panel1
- Rear Seat Reminder
- Helps to remind the driver to check the back seat(s) before leaving the vehicle1
- Activates when rear doors are opened and closed up to 10 minutes before or anytime while your vehicle is on
- Under certain conditions, once the vehicle is switched off, designed to sound audible chimes and display a visual message within the driver display
- Activates only once each time the vehicle is turned on and off, and would require re-activation on a second trip
- 40/20/40 split-bench front seat with under-seat storage
- Seating for up to 3
- Driver and front passenger seatbacks recline
- Head restraints at the outboard seating positions
- Center seatback that doubles as a fold-down armrest with storage
- Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable) (STD)
- Rubberized vinyl floor covering
- Provides good traction and convenient cleanup
- Assist handles
- Front A-pillar mounted for Driver and Passenger
- Rear B-pillar mounted
- Power windows with driver express-up/down
- Quickly raises the window or lowers it with the touch of a button
- If an obstruction is detected, the anti-pinch feature will auto-reverse
- Compass
- Located in instrument cluster
- 3.5" diagonal monochromatic Driver Information Center
- Power door locks
- Allows you to lock and unlock doors easily whether it's from the driver or front passenger seat or from outside using the key fob (when equipped)
- Cruise control
- Maintains a selected speed while driving
- Automatically disengages when the vehicle's traction control system needs to limit wheelspin on slippery surfaces or when the StabiliTrak® stability control system detects an oncoming skid
- Set and resume speed functions
- Steering-wheel mounted controls to easily maintain and manage cruising speed
- 60/40 split-folding rear bench seat
- Includes child seat top tether anchor
- Can fold one or both sides up
- Instrumentation
- 6-gauge cluster
- Speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
- Outside temperature display
- Located in infotainment display
- Steering wheel
- Rear air vents
- Provides cabin comfort for rear occupants
- Manual tilt steering column
- Allows the steering wheel to be manually adjusted up or down
- Provides extra comfort when entering or exiting the vehicle
- Locking security feature
- 12-volt auxiliary front power outlet
- May require additional optional equipment
- USB ports
- (2) Charge ports located on rear of console1
- 120-volt box-mounted power outlet
- 3-prong auxiliary household-style outlet
- Located in the pickup bed
- May require additional optional equipment
- 120-volt power outlet
- 3-prong auxiliary household-style outlet
- Located on the instrument panel
- Makes it convenient for powering laptops, phone chargers and other electronic devices
- May require additional optional equipment
- Upfitter switches
- Program electrical components such as exterior lighting, snow removal equipment or other features to turn on and off at the flip of a switch
- Allows the driver to operate upfitter-installed equipment conveniently from inside the cab
- Provides 3-30 amp and 2 – 20 amp configurable circuits to facilitate installation of aftermarket electrical accessories by the dealer or upfitter1 at customer expense
- Installation instructions and technical assistance available at www.gmupfitter.com
- May require additional optional equipment
- Rear window defogger
- Utilizes a warming grid to help remove fog or frost from the rear window
Entertainment
- Wi-Fi® hotspot capable
- Terms and limitations apply. See onstar.com or dealer for details.
- May require additional optional equipment
- Bluetooth®
- Pair your compatible mobile phone to your vehicle's infotainment system1
- Place and receive hands-free phone calls
- Store your phone's contact list in the system to place an outgoing call quickly using the touch-screen display or voice command system
- With streaming audio capability, you can listen to files stored on your phone or Bluetooth digital media device
- 6-speaker audio system
- Speakers are positioned throughout the cabin for outstanding sound quality and an enjoyable listening experience
- Wireless phone projection
- For Apple CarPlay™1 and Android Auto™2
- GMC Infotainment System with color touchscreen
- Multi-touch display and AM/FM stereo
- 7" diagonal color touchscreen for customizing and managing entertainment and vehicle feature settings1 on Pro 1SA
- 8" diagonal color touchscreen for customizing and managing entertainment and vehicle feature settings1 on SLE and Elevation
- Bluetooth®2 audio streaming for select devices
- Apple CarPlay™ capability for compatible phones3
- Android Auto™ capability for compatible phones4
- Audio system, GMC Infotainment System with 7" diagonal color touch-screen AM/FM stereo with seek-and-scan and digital clock, includes Bluetooth streaming audio for music and select phones; featuring wireless Apple CarPlay and Android Auto capable (STD)
- SiriusXM Trial Subscription
- With your trial subscription, get access to all of your favorite entertainment from SiriusXM to enjoy in your vehicle and on the SiriusXM app - from ad-free music, talk and sports, to comedy, news, podcasts and more1
- Enjoy channels curated by DJs, personalities and tastemakers for a listening experience you can't live without
- Plus, take the full SiriusXM experience with you everywhere you go with the SiriusXM app - at home, on your phone or connected devices, and unlock other exclusives that bring you even closer to your favorite stars, artists, creators, hosts and athletes
Mechanical
- Electronic shift 2-speed transfer case with push button controls
- System shift smoothly between drive settings to handle a variety of road conditions
- 2WD High for most on-road and highway situations
- 4WD High for snowy or wet roads when added traction is needed
- 4WD Low for deep sand, mud or snow to provide maximum torque to all 4 wheels
- May require additional optional equipment
- Pickup bed
- Roll-formed high-strength steel
- Includes bed assist step
- Heavy-Duty Air Filter
- Thick construction helps to trap more dirt before it can enter the air intake
- Air filtration monitoring
- Alerts the driver when the engine air filter needs replacement
- Brake pad wear indicator
- External engine oil cooler
- Heavy-duty air-to-oil cooler
- Helps extend engine oil life under heavy loads
- Black vertical recovery hooks
- Two front frame-mounted1
- Steering
- Recirculating Ball with smart flow power steering system
- Fully boxed frame
- Hydroformed front section
- High-strength steel
- Push Button Start
- 4-wheel antilock disc brakes
- Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfaces
- DuraLife™ brake rotors feature a hardened surface to reduce corrosion and provide quieter braking with less vibration. DuraLife™ rotors are hardened and strengthened during the manufacturing process
- Brake system features a corrosion-fighting process called Ferritic Nitro-Carburizing (FNC) which can double rotor life expectancy and reduce or minimize rust over non-FNC coated rotors
- Integrated trailer brake controller
- Integrated with the antilock brake system (ABS)
- Helps provide measured brake force signaling to electric-controlled trailer brake systems
- Trailer gain and output are displayed in the Driver Information Center
- External auxiliary transmission oil cooler
- Heavy-duty air-to-oil cooler
- Helps provides optimal transmission performance even when operating under a heavy load or towing a trailer
- May require additional optional equipment
- Automatic locking rear differential
- When the differential senses a significant difference in wheel speed, it locks to turn both rear wheels in unison for added traction
- The Eaton® Locker senses a difference in wheel speed of approximately 100 rpm
- 6.6L Duramax Turbo-Diesel V8 engine
- 470 hp [350.5 kW] @ 2800 rpm
- 975 lb-ft of torque [1322 Nm] @ 1600 rpm
- 3.42 rear axle ratio
- Exhaust brake
- Engine block heater
- Capped fuel fill
- Paired with an Allison® 10-speed automatic transmission
- Diesel Exhaust Fluid (DEF) fill located in fuel door
- Engine after run feature for cooling performance
- May require additional optional equipment
- Engine block heater
- Helps ease cold weather starts
- Heats the engine and engine block fluids
- Allison® 10-speed automatic transmission
- Electronically controlled with overdrive for smooth-shifting performance
- Tow/Haul mode that reduces shift cycling for better control and improved cooling when towing or hauling heavy loads
- Auto Grade Braking that automatically downshifts when needed to enable engine braking, helping to slow the vehicle on downhill grades and reduce brake wear (operates in Tow/Haul mode)
- May require additional optional equipment
- Diesel exhaust brake
- Reduces the amount of conventional braking needed while towing a heavy trailer or driving downhill
- Uses the variable vanes in the turbocharger to smoothly and quietly create additional back pressure in the engine to help slow the vehicle
- Works with the transmission's Tow/Haul mode and Auto Grade Braking to help the driver maintain the desired speed even on long, steep downgrades
- Switch activated
- May require additional optional equipment
- Trailering wiring provisions for camper, 5th wheel and gooseneck trailer
- For trailering fifth-wheel and gooseneck trailers
- Includes additional 7-way wiring harness located at the rear of the pickup bed, attached to the rear frame cross member
- 11,350 lbs. GVWR
- When properly equipped; includes weight of vehicle, passengers, cargo and equipment
- 220-amp alternator
- May require additional optional equipment
- Hill Descent Control
- Uses antilock braking to help provide a smooth, controlled descent
- Helps driver maintain control of the vehicle without depressing the brake pedal
- Activates by pushing a button below the instrument panel
- May require additional optional equipment
- Skid plates
- Help protect the front underbody, oil pan and transfer case
- May require additional optional equipment
- 3.42 rear axle ratio
- Requires a diesel engine
Safety
- Forward Collision Alert
- Warns you if it detects a potential collision with a detected vehicle you're following so you can take action1
- Can also provide a tailgating alert if you're following a vehicle much too closely
- Automatic Emergency Braking
- Can help you avoid or reduce the severity of a collision with a detected vehicle you're following using camera technology1
- Can automatically provide hard emergency braking or enhance your hard braking
- Works at speeds between 5 and 50 mph
- Tire Pressure Monitoring System with Tire Fill Alert
- Monitors tire pressure and alerts of an under-inflated condition in one or more of the tires1
- Provides visual and audible alerts outside the vehicle when inflating an under inflated tire to the recommended tire pressure
- StabiliTrak, electronic stability control system with traction control
- Automatically helps enhance control, particularly during emergency maneuvers, by adjusting the brakes and engine torque to help you stay on your intended path
- Activates when vehicle sensors detect a difference between the driver's intended path and the direction the vehicle is actually travelling
- Includes Traction Control that detects wheel slippage and applies brake pressure and/or reduces engine power to help the driver maintain control when accelerating on wet or snow-covered roads
- Includes Brake Assist which detects rapid brake pedal applications due to emergency braking situations and provides additional braking via the Antilock Brake System (ABS) module
- Includes Trailer Sway Control
- Hill Start Assist
- Buckle to Drive
- Helps remind the driver to buckle their seat belt before driving by preventing the vehicle from being shifted out of PARK temporarily when the driver's seat belt is not buckled
- The feature also reminds the front passenger to buckle up, if equipped
- Hitch Guidance
- When in Reverse, displays a centered guideline on the Rear Vision Camera view1
- Can help you line up the hitch to your trailer
- When driving, lets you check the trailer using Rear Vision Camera view
- LED Daytime Running Lamps
- Rear Seat Belt Indicator
- Seat Belt Adjustable Guide Loops
- Front row only
- OnStar® services capable
- See onstar.com for details and limitations. Services vary by model. Service plan required.
- Front Pedestrian Braking
- At speeds between 5 and 50 mph, can help you avoid or reduce the severity of a collision with a pedestrian it detects directly in front of you1
- Provides pedestrian alerts and can automatically provide hard emergency braking or enhance driver's hard braking
- Limited nighttime and low visibility performance
- 6 airbags
- Dual-stage frontal airbags for driver and front outboard passenger1
- Seat-mounted side-impact airbags for driver and front outboard passenger1
- Head-curtain airbags for outboard seating positions1
- Includes front outboard Passenger Sensing System for frontal outboard passenger airbag and illuminates a status light that indicates whether the airbag is on or off1
- HD Rear Vision Camera
- Shows high-resolution digital image of area directly behind your vehicle while in Reverse1
- Can help you park or avoid vehicles and objects
- You can also display an overlay of where your vehicle is heading
- Tailgate must be in the raised position for the HD Rear Vision Camera to operate properly
- May require additional optional equipment
- Following Distance Indicator
- Displays the following time in seconds between your vehicle and a detected vehicle in front of you1
- Designed to help you maintain a safe following distance
- Lane Departure Warning
- Alerts you when it detects that you are unintentionally drifting out of detected lane lines1
- System alerts do not occur if you're using your turn signal, or it detects you may be intentionally leaving your lane
- Trailering Information Label
- Provides max trailer ratings for tongue weight, conventional, gooseneck hitch and 5th wheel hitch
- OnStar Basics
- Drive confidently with core OnStar services including1
- Remote commands
- Built-in voice assistance
- Real-time traffic and navigation
- Automatic Crash Response
- Teen Driver
- Helps encourage safe driving habits for teens by providing an in-vehicle report card1
- Activates certain safety systems, if equipped, when a Teen Driver-designated key fob is used
- Mutes the radio until the front-seat occupants fasten their seat belts
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Disclaimer:
Tax, title, license, and dealer fees (including a $425 dealer doc fee) are extra. Most rebates are not compatible with special finance or lease offers. Pricing is subject to change; for the most accurate and up-to-date pricing details, please contact the dealership directly.
Walt Massey 3-Day Money Back Guarantee:
You’re guaranteed an exchange under the following conditions. The vehicle must be returned to the dealership where it was purchased or leased within three (3) business days prior to 5 PM CST. If the final day falls on a day when the dealership is closed, the period is extended by one day. The vehicle must be in “like new” condition, free from dents, scratches, stains, smoking, pet odors, or other damages, and it must not have been in an accident. The vehicle must be driven less than 300 miles. If driven over 300 miles, you may still return it, but a fee of $1.00 per additional mile will be charged.
Vehicles may not be physically located at this dealership but may be available for delivery; transportation charges may apply. Due to inventory spanning multiple locations, vehicle availability and location may change. All vehicles are subject to prior sale. Please get in touch with us for specific information and to confirm availability.
Terms may vary with approved credit. Monthly payment estimates are based on a 72-month term, 4.9% interest, and 20% downpayment. Walt Massey Savings | Discounts are available to everyone. For questions, call (601) 736-3432 or visit us at the dealership.
EPA mileage ratings are estimates only, and actual mileage may vary. For used vehicles, MPG estimates are based on EPA ratings when the vehicle was new, reflecting the calculation methodology in place at that time. For more information on updated MPG calculations, please visit the Fuel Economy section of the EPA’s website.
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.