2026 GMC Sierra 2500HD AT4
MSRP: $89,455
Sale: $89,455
MSRP:
$89,455Sale:
$89,455Miles:
9Body Type:
4D Crew CabDrive:
4WDTransmission:
10-Speed AutomaticExterior:
SilverInterior:
Jet Black With Kalahari AccentsStock #:
T261330
- Full Specifications
Drive:
4WDNumber of cylinders:
8Engine Size:
6.6EPA City MPG:
N/AEPA Highway MPG:
N/ATransmission:
10-Speed Automatic
- Warranty
- 5-Day Money-Back Guarantee At Car Dealer, we know that not every car is perfect for every person, so all used Car Dealer cars come with our 5-Day Money-Back Guarantee. You can return any car for any reason within a 5-day period. Simply bring it back in the condition in which it was purchased, and you'll get a full refund.
- Financing
- Affordable solutions Car Dealer offers some of the most competitive terms in the industry with solutions for a wide range of credit profiles. Speed Fill out our quick credit application and get decisions in a matter of minutes. Trust We only use respected and reputable finance sources, and we always protect our customers' information. Integrity Straightforward, honest business practices are the standard at Car Dealer, and our financing is no exception. If you find a more competitive offer elsewhere, you've got three business days to change your mind.
- Trade-In
- Sell your current car and buy a new one at the same place! You can even apply your written offer towards the purchase of a new car.
The 2026 GMC Sierra 2500HD AT4 at Sam Boswell Buick GMC is built for those who demand uncompromising strength with off-road confidence. Equipped with a powerful engine and heavy-duty towing and hauling capabilities, this truck is ready to tackle the toughest jobs with ease. Its AT4-exclusive off-road suspension, skid plates, and advanced traction systems give you the freedom to venture off the beaten path while maintaining GMCs legendary durability.
Step inside, and youll find that rugged doesnt mean rough. The Sierra 2500HD AT4 delivers a premium interior with leather-appointed seating, cutting-edge technology, and intuitive driver-assist features that keep you connected and in control. Whether youre towing heavy loads, exploring the outdoors, or handling everyday drives, the 2026 GMC Sierra 2500HD AT4 offers the perfect blend of power, capability, and comfort. Come see it today at Sam Boswell Buick GMC and experience what true heavy-duty performance feels like.
2026 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather, AT4 Preferred Package, AT4 Premium Plus Package, Gooseneck/5th Wheel Prep Package, Heavy Duty Front Spring/Camper Package, Hill Descent Control, Inside Rearview Auto-Dimming Rear Camera Mirror, LED Smoked Amber Roof Marker Lamps, Multicolor 15" Diagonal Head-Up Display, Off-Road High Clearance Step (LPO), Power Sliding Rear Window w/Defogger, Power Sunroof, Technology Package, Universal Home Remote, X31 Off-Road Package.
Recent Arrival! Price includes: $500 - Purchase Allowance. Exp. 11/03/2025
- AT4 PREFERRED PACKAGE
- AT4 PREMIUM PLUS PACKAGE
- GOOSENECK/5TH WHEEL PREP PACKAGE
- HEAVY DUTY FRONT SPRING/CAMPER PACKAGE
- TECHNOLOGY PACKAGE
- X31 OFF-ROAD PACKAGE
- 7 SPEAKERS
- AM/FM RADIO: SIRIUSXM WITH 360L
- BOSE PREMIUM 7-SPEAKER SOUND SYSTEM
- RADIO: AM/FM W/PREMIUM GMC INFOTAINMENT SYSTEM
- SIRIUSXM W/360L TRIAL SUBSCRIPTION
- STEERING WHEEL AUDIO CONTROLS
- AIR CONDITIONING
- AUTOMATIC TEMPERATURE CONTROL
- ELECTRIC REAR-WINDOW DEFOGGER
- FRONT DUAL ZONE A/C
- REAR WINDOW DEFROSTER
- 120-VOLT BED MOUNTED POWER OUTLET
- 120-VOLT INSTRUMENT PANEL POWER OUTLET
- DRIVER MEMORY
- MEMORY SEAT
- POWER DRIVER SEAT
- POWER STEERING
- POWER WINDOWS
- PUSH BUTTON START
- REMOTE KEYLESS ENTRY
- REMOTE VEHICLE STARTER SYSTEM
- STEERING WHEEL MOUNTED AUDIO CONTROLS
- UNIVERSAL HOME REMOTE
- MANUAL TILT-WHEEL/TELESCOPING STEERING COLUMN
- OFF-ROAD SUSPENSION
- SPEED-SENSING STEERING
- TRACTION CONTROL
- 4-WHEEL DISC BRAKES
- ABS BRAKES
- DUAL FRONT IMPACT AIRBAGS
- DUAL FRONT SIDE IMPACT AIRBAGS
- EMERGENCY COMMUNICATION SYSTEM: ONSTAR
- FRONT ANTI-ROLL BAR
- FRONT WHEEL INDEPENDENT SUSPENSION
- KEYLESS OPEN & START
- LOW TIRE PRESSURE WARNING
- OCCUPANT SENSING AIRBAG
- OVERHEAD AIRBAG
- POWER SUNROOF
- PICKUP BOX
- BRAKE ASSIST
- ELECTRONIC STABILITY CONTROL
- LANE DEPARTURE WARNING SYSTEM
- HILL DESCENT CONTROL
- AUTO HIGH-BEAM HEADLIGHTS
- DELAY-OFF HEADLIGHTS
- FRONT FOG LIGHTS
- FULLY AUTOMATIC HEADLIGHTS
- PANIC ALARM
- SECURITY SYSTEM
- UNAUTHORIZED ENTRY THEFT-DETERRENT SYSTEM
- SPEED CONTROL
- 2-SPEED ACTIVE TRANSFER CASE
- HEAVY-DUTY 80 AMP BATTERY
- AUTO-DIMMING DOOR MIRRORS
- BUMPERS: BODY-COLOR
- GLOSS BLACK HEADER GRILLE & GRILLE INSERT BARS
- HEATED DOOR MIRRORS
- INTELLIBEAM AUTOMATIC HIGH BEAM ON/OFF
- LED CARGO AREA LIGHTING
- LED SMOKED AMBER ROOF MARKER LAMPS
- OFF-ROAD HIGH CLEARANCE STEP (LPO)
- POWER DOOR MIRRORS
- REAR STEP BUMPER
- REAR WHEELHOUSE LINERS
- SPRAY-ON PICKUP BEDLINER W/GMC LOGO
- TURN SIGNAL INDICATOR MIRRORS
- 2 CHARGE-ONLY REAR USB PORTS
- 2 CHARGE/DATA USB PORTS INSIDE CENTER CONSOLE
- 2 USB PORTS
- APPLE CARPLAY/ANDROID AUTO
- AUTO-DIMMING REAR-VIEW MIRROR
- AUTOMATIC EMERGENCY BRAKING
- BED VIEW CAMERA W/2 TRAILER CAMERA PROVISIONS
- BUCKLE TO DRIVE
- COMPASS
- DRIVER DOOR BIN
- DRIVER VANITY MIRROR
- FLOOR-MOUNTED CENTER CONSOLE
- FOLLOWING DISTANCE INDICATOR
- FORWARD COLLISION ALERT
- FRONT PEDESTRIAN BRAKING
- FRONT PREM FLOOR LINERS W/REMOVABLE CARPET INSERT
- FRONT READING LIGHTS
- HD SURROUND VISION
- HEATED STEERING WHEEL
- ILLUMINATED ENTRY
- INSIDE REARVIEW AUTO-DIMMING REAR CAMERA MIRROR
- MULTICOLOR 15" DIAGONAL HEAD-UP DISPLAY
- ONSTAR SERVICES CAPABLE
- OUTSIDE TEMPERATURE DISPLAY
- OVERHEAD CONSOLE
- PASSENGER VANITY MIRROR
- REAR CROSS TRAFFIC ALERT
- REAR PREM FLOOR LINERS W/REMOVABLE CARPET INSERT
- REAR READING LIGHTS
- REAR SEAT CENTER ARMREST
- TACHOMETER
- TELESCOPING STEERING WHEEL
- TILT STEERING WHEEL
- TRAILER CAM PROVISIONS & TRAILER VIEWING SOFTWARE
- TRAILER SIDE BLIND ZONE ALERT
- TRIP COMPUTER
- ULTRASONIC FRONT & REAR PARK ASSIST
- UPFITTER SWITCH KIT (5)
- VOLTMETER
- WIRELESS CHARGING
- WIRELESS PHONE PROJECTION
- 10-WAY POWER DRIVER SEAT ADJUSTER W/LUMBAR
- 10-WAY POWER PASSENGER SEAT ADJUSTER W/LUMBAR
- FRONT BUCKET SEATS
- FRONT CENTER ARMREST
- HEATED 2ND ROW OUTBOARD SEATS
- HEATED DRIVER & FRONT OUTBOARD PASSENGER SEATS
- HEATED FRONT SEATS
- HEATED REAR SEATS
- PERFORATED LEATHER-APPOINTED FRONT SEAT TRIM
- POWER PASSENGER SEAT
- SAFETY ALERT SEAT
- SPLIT FOLDING REAR SEAT
- VENTILATED DRIVER & FRONT PASSENGER SEATS
- VENTILATED FRONT SEATS
- PASSENGER DOOR BIN
- HITCH GUIDANCE W/HITCH VIEW
- IN-VEHICLE TRAILERING SYSTEM APP
- ALLOY WHEELS
- WHEELS: 20" HIGH GLOSS BLACK 8 SPOKES ALUMINUM
- DEEP-TINTED GLASS
- FRONT RAIN-SENSING WIPERS
- POWER FRONT PASSENGER WINDOWS W/EXPRESS UP/DOWN
- POWER SLIDING REAR WINDOW W/DEFOGGER
- RAIN SENSING WIPERS
- VARIABLY INTERMITTENT WIPERS
- 3.42 AXLE RATIO
- 3.73 REAR AXLE RATIO
There are no tech specs found at this time.