New 2026 GMC Sierra 2500 HD Pro
- VIN: 1GT3ULE79TF332903
- Stock: TF332903
New 2026 GMC Sierra 2500 HD Pro
VIN: 1GT3ULE79TF332903STOCK: TF332903
Basic Info
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Exterior:Summit White
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Drivetrain:Four Wheel Drive
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Interior:Jet Black, Cloth seat trim
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Transmission:Automatic
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Engine:6.6L V8 Gas engine
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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Parking Sensors / Assist
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Push Start
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Side-Impact Air Bags
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Tow Package
Description
- Suspension Package
- 6.6L V8 Engine
- 10-Speed Automatic Transmission
- 4-Wheel Drive
- 2 Speakers
- AM/FM Radio
- GMC Infotainment System
- 3.73 Rear Axle Ratio
- Air Conditioning
- Power Windows and Locks
- Remote Keyless Entry
- Cruise Control
- Automatic High Beam Headlights
- Heated Power Mirrors
- Apple CarPlay/Android Auto
- Automatic Emergency Braking
- Forward Collision Alert
- 4-Wheel Disc Brakes with ABS
- Dual Front Airbags
- OnStar Services Capable
This Sierra 2500HD Pro is built to work hard and play hard. With its powerful engine, advanced safety features, and premium connectivity, you'll have the tools to tackle any job or adventure. Experience the confidence and capability of the 2026 GMC Sierra 2500HD Pro. Visit our showroom today to take one for a test drive. Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 08/03/2026 $500 - GM Military Cash Allowance Program. Exp. 01/04/2027 $903 Fuel Credit for Full Size Vehicle. See Dealer For Full Details. Expires 8/1/26.
Vehicle Details
Exterior
- Chrome front bumper
- May require additional optional equipment
- Standard tailgate
- Locking tailgate
- 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
- Chrome rear bumper
- With integrated CornerSteps
- May require additional optional equipment
- Cab-mounted cargo area lamps
- Activated by switch located on center switch bank
- Illuminates the cargo bed area
- Spare tire carrier lock
- Helps keep spare tire secure
- Black door handles
- Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
- IntelliBeam
- At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions1
- Cargo tie-downs
- 12-fixed rated at 500 lbs. per corner
- 17" steel painted Silver wheels
- Wheels, 17" (43.2 cm) painted steel, Silver (STD)
- 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
- LED tail lamps
- Tailgate and bed rail protection caps
- 17" LT265/70R17E all-terrain, blackwall tires
- May require additional optional equipment
- Tailgate with EZ Lift assist, power lock & release
- Hitch area lighting
- May require additional optional equipment
- Cargo bed LED lighting
- Provides light to find cargo in the bed
- May require additional optional equipment
- Black outside power-adjustable vertical trailering mirrors with power folding/manual extending auto-dimming driver upper glass
- Lower convex mirrors
- Heated upper glass
- Integrated turn signal indicators
- Puddle lamps
- Perimeter lighting
- Auxiliary lighting
- Extends 3.31-inches
- May require additional optional equipment
- Front license plate bracket
- Front bracket is included if displaying a front license plate is required in your state
- Smoked Amber LED roof marker lamps
- Roof-mounted lamps near the front of the cab
- 17" LT265/70R17E all-terrain, blackwall spare tire
- May require additional optional equipment
- Deep-tinted glass
- Provides added protection from sun and glare
Interior
- 3.5" diagonal monochromatic Driver Information Center
- 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
- 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
- 12-volt auxiliary front power outlet
- May require additional optional equipment
- 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)
- 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)
- 4-way manual front passenger seat
- 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
- Single-zone manual climate control
- Maintains a selected temperature
- 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
- Steering wheel
- USB ports
- (2) Data/charge ports located on instrument panel1
- Instrumentation
- 6-gauge cluster
- Speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
- Outside temperature display
- Located in infotainment display
- 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
- 4-way manual driver seat
- All-weather floor liners
- Provides coverage for first and second-row seating
- Feature a textured, anti-slip pattern that helps trap debris and water while providing carpet coverage
- Include Brand logo
- Replaces factory floor mats
- 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
- Inside rearview auto-dimming mirror
- Automatically dims the inside rearview mirror when it senses bright light from behind
- When headlamp glare is no longer detected, the mirror returns to its normal state
- Carpeted floor covering
- Color-keyed to match the interior
- Rear window defogger
- Utilizes a warming grid to help remove fog or frost from the rear window
Entertainment
- Wireless phone projection
- For Apple CarPlay™1 and Android Auto™2
- 2-speaker audio system
- Includes 2 speakers placed in the front doors
- 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
- 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)
Mechanical
- Pickup bed
- Roll-formed high-strength steel
- Includes bed assist step
- Pickup bed includes bed assist step (Deleted when (ZW9) pickup bed delete is ordered.) (STD)
- 10-speed automatic transmission
- Tow/Haul mode reduces shift cycling for better control and improved cooling when towing or hauling heavy loads
- Electronically controlled with overdrive
- 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)
- Transmission, 10-Speed automatic (STD)
- 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
- 3.73 rear axle ratio
- Requires a gas engine
- Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
- Heavy-Duty Air Filter
- Thick construction helps to trap more dirt before it can enter the air intake
- External engine oil cooler
- Heavy-duty air-to-oil cooler
- Helps extend engine oil life under heavy loads
- Heavy-duty 720 cold-cranking amps battery
- 80 Amp-hr
- Maintenance-free with rundown protection and retained accessory power
- May require additional optional equipment
- Brake pad wear indicator
- 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
- Fully boxed frame
- Hydroformed front section
- High-strength steel
- Push Button Start
- 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
- Suspension Package
- Designed to help maintain handling and ride quality while towing a trailer or carrying a load
- Steering
- Recirculating Ball with smart flow power steering system
- 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
- Air filtration monitoring
- Alerts the driver when the engine air filter needs replacement
- 10,250 lbs. GVWR
- When properly equipped; includes weight of vehicle, passengers, cargo and equipment
- GVWR, 10,250 lbs. (4649 kg) (STD) (Included and only available with TK20903 model and (L8T) 6.6L V8 gas engine with 17" wheels.)
- Black vertical recovery hooks
- Two front frame-mounted1
- 6.6L V8 Gas engine
- 401 hp [299 kW] @ 5200 rpm
- 464 lb-ft of torque [629 N-m] @ 4000 rpm
- 3.73 rear axle ratio
- Paired with an Allison® 10-speed automatic transmission
- Capless fuel fill
- Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm) (STD)
- Capless fuel fill
- Prevents paint scratches that can result from a tethered fuel cap
- Creates a tight seal around the fuel-pump nozzle when the nozzle is fully inserted
- Requires gasoline engine
- 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
- 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
- 220-amp alternator
- May require additional optional equipment
- Skid plates
- Help protect the front underbody, oil pan and transfer case
- May require additional optional equipment
Safety
- 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
- 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
- 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
- LED Daytime Running Lamps
- 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
- Trailering Information Label
- Provides max trailer ratings for tongue weight, conventional, gooseneck hitch and 5th wheel hitch
- 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
- OnStar Basics
- Drive confidently with core OnStar services including1
- Remote commands
- Built-in voice assistance
- Real-time traffic and navigation
- Automatic Crash Response to help if you're in need
- Signature LED Daytime Running Lamps
- 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
- 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
- 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
- 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
- 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
- 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
- OnStar® services capable
- See onstar.com for details and limitations. Services vary by model. Service plan required.
- 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
- Lane Change Alert with Side Blind Zone Alert
- Provides visual side-mirror alerts when a moving vehicle is detected either quickly approaching or already in your side blind zone1
- Can help you avoid lane change collisions
- May require additional optional equipment
- Rear Cross Traffic Alert
- When in Reverse, warns you of detected vehicles crossing behind you1
- May require additional optional equipment
- Front and Rear Park Assist
- Provides alerts of nearby detected vehicles and objects in front of or behind your vehicle1
- These can help you park and avoid collisions
- May require additional optional equipment
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to 1506 S Wilcox St - Castlerock, CO 80104
Contact Us
(303) 688-3137Disclaimer:
Prices do not include government fees, sales tax, cost of emissions, transportation costs, or finance charges incurred after sale, to deliver the vehicle to the purchaser at the purchaser’s request. Vehicle pricing is subject to change without notice based on current manufacturer rebates and incentives and current vehicle market value. Contact dealer for most current information. Vehicle availability is subject to prior sale and system update. Price and payments include a $799 dealer handling fee, applies to everyone. Dealer is a Colorado licensed motor vehicle dealer offering new and pre-owned automotive vehicles for sale in Colorado. Vehicle pricing is in accordance and complies with Federal guidelines and the requirements of the state of Colorado. This offer is intended to solicit sales transactions in Colorado in accordance with federal and state guidelines for motor vehicle sales. Vehicle mileage is based on EPA city and highway estimates and reflect new EPA methods beginning with 2008 models. Your actual mileage may vary depending on how you drive and maintain your vehicle, vehicle equipped options, driving conditions, driving habits, and vehicles condition. Mileage estimates may be derived from previous year model. Vehicle dealer installed options are at retail. Pricing is not applicable in conjunction with special manufacturer purchase programs. Pricing may or may not be combined with other manufacturer or dealer offers. Pre-owned vehicle pricing is after all discounts including the applicable $3500 Push, Pull and Drag offer on Castle Rock Certified Pre-Owned vehicle priced $10,000 or more.
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
Contact a Top Rated Specialist
Aliza A Guerrero
Client Advisor
Kyi Ambrose
Sales
Matt Oyola
Senior Sales Consultant
Castle Rock GMC Specialists
Aliza A Guerrero
Client Advisor
May 16, 2026
Great service in a time of need I had to have it done
Great service in a time of need I had to have it done in 3 days . It was completed in less then 2
Mar 29, 2026
Luke is an excellent Sales Manager and has provided
Luke is an excellent Sales Manager and has provided professional service. We appreciate all that he has done.
Jan 02, 2026
Aliza was informative and offered helpful information
Aliza was informative and offered helpful information about the Acadia. She also assisted me with setting up different options on the car. She also followed up with me to ensure everything was good to go.
Dec 10, 2025
The team at Castle Rock was wonderful to work with.
The team at Castle Rock was wonderful to work with. We were in and out with no pressure put on us.
Dec 05, 2025
This dealership sells vehicles that do not pass
This dealership sells vehicles that do not pass emissions. Spent 20 grand and had to get it fixed before I could register it. It failed emissions in Denver.
Kyi Ambrose
Sales
May 16, 2026
Great service in a time of need I had to have it done
Great service in a time of need I had to have it done in 3 days . It was completed in less then 2
May 15, 2026
Kyi at Castle Rock Chevy delivered an absolutely top tier
Kyi at Castle Rock Chevy delivered an absolutely top tier vehicle buying experience. I’ve dealt with a lot of dealerships and salespeople over the years, and very few operate with the level of professionalism, honesty, and customer service that he does. He was extremely knowledgeable about the truck, transparent throughout the process, and never once made me feel pressured. What impressed me most was how much effort he put into making sure everything was right. He stayed in communication, handled issues quickly, answered every question thoroughly, and genuinely cared about making the experience a positive one instead of just making a sale. That kind of customer service is rare in today’s market. Kyi represents exactly what a dealership should want in a salesman. If you’re shopping at Castle Rock Chevy and want someone trustworthy, hardworking, and easy to work with, ask for him specifically. He earned my business and my recommendation without hesitation.
Dec 05, 2025
This dealership sells vehicles that do not pass
This dealership sells vehicles that do not pass emissions. Spent 20 grand and had to get it fixed before I could register it. It failed emissions in Denver.
Nov 25, 2025
Ed in the service department treated me with kindness and
Ed in the service department treated me with kindness and respect the minute I walked in for 4 new tires on my truck. Ed recommended an alignment because one has never been done, I was in and out within 2 hours and my truck ride like a dream, Everyone in the service was extremely nice and treated like I was the only customer there. The service waiting area was very clean and comfortable. Being treated like family will earn my respect and future business. Great job Caste Rock Chevrolet GMC.
Nov 03, 2025
Always friendly and fast.
Always friendly and fast. I appreciate the quality and care my vehicle receives at Castle Rock Chevrolet GMC.
Matt Oyola
Senior Sales Consultant
May 16, 2026
Great service in a time of need I had to have it done
Great service in a time of need I had to have it done in 3 days . It was completed in less then 2
Jan 06, 2026
The service was amazing and the staff was friendly and
The service was amazing and the staff was friendly and attentive.I would definitely recommend friends and family to your dealership!
Dec 05, 2025
This dealership sells vehicles that do not pass
This dealership sells vehicles that do not pass emissions. Spent 20 grand and had to get it fixed before I could register it. It failed emissions in Denver.
Dec 02, 2025
Hunter and Matt are awesome to deal with and was no
Hunter and Matt are awesome to deal with and was no pressure just great service
Nov 03, 2025
Always friendly and fast.
Always friendly and fast. I appreciate the quality and care my vehicle receives at Castle Rock Chevrolet GMC.
Jonathan Nieto Villa
Sales
May 16, 2026
Great service in a time of need I had to have it done
Great service in a time of need I had to have it done in 3 days . It was completed in less then 2
Dec 05, 2025
This dealership sells vehicles that do not pass
This dealership sells vehicles that do not pass emissions. Spent 20 grand and had to get it fixed before I could register it. It failed emissions in Denver.
Dec 05, 2025
Recomendado cien por siento muy buena atención muy
Recomendado cien por siento muy buena atención muy amables y tienen muchos vehÃculos bonitos los recomiendo
Nov 03, 2025
Always friendly and fast.
Always friendly and fast. I appreciate the quality and care my vehicle receives at Castle Rock Chevrolet GMC.
Oct 05, 2025
It was really nice to deal with castle Rock dealerthey
It was really nice to deal with castle Rock dealerthey treated me good it was great
Hunter Keyser
Sales
May 16, 2026
Great service in a time of need I had to have it done
Great service in a time of need I had to have it done in 3 days . It was completed in less then 2
May 15, 2026
Kyi at Castle Rock Chevy delivered an absolutely top tier
Kyi at Castle Rock Chevy delivered an absolutely top tier vehicle buying experience. I’ve dealt with a lot of dealerships and salespeople over the years, and very few operate with the level of professionalism, honesty, and customer service that he does. He was extremely knowledgeable about the truck, transparent throughout the process, and never once made me feel pressured. What impressed me most was how much effort he put into making sure everything was right. He stayed in communication, handled issues quickly, answered every question thoroughly, and genuinely cared about making the experience a positive one instead of just making a sale. That kind of customer service is rare in today’s market. Kyi represents exactly what a dealership should want in a salesman. If you’re shopping at Castle Rock Chevy and want someone trustworthy, hardworking, and easy to work with, ask for him specifically. He earned my business and my recommendation without hesitation.
Dec 26, 2025
Hunter was so pleasant to work with.
Hunter was so pleasant to work with. She was very helpful and found what I was looking for
Dec 10, 2025
took vehicle in for 60,000 maintenance.
took vehicle in for 60,000 maintenance. We waited for it to be completed. Service was (is) excellent.
Dec 05, 2025
This dealership sells vehicles that do not pass
This dealership sells vehicles that do not pass emissions. Spent 20 grand and had to get it fixed before I could register it. It failed emissions in Denver.
