Why Buy from Holiday Buick GMC?When you choose this 2026 GMC Sierra 2500HD AT4 from Holiday Buick GMC, you’re not just buying a used car you’re investing in quality, reliability, and peace of mind. Located in Fond Du Lac,WI, we’re proud to offer the best selection of certified pre-owned GMCvehicles and top-tier used cars in our local area. Here’s why savvy buyers trust us:Transparent Pricing: At $74,887, what you see is what you pay.Certified Quality: Every vehicle, like this 2026 GMC Sierra 2500HD AT4, undergoes a rigorous multi-point inspection to ensure it meets our high standards.Customer-First Service: Our award-winning team treats you like family, backed by an excellent customer satisfaction rating.<br><br><b>CARBRAVO CERTIFIED PRE-OWNED BENEFITS</b><br><br><strong>The Standard for GM</strong> - CarBravo is the official Certified Pre-Owned program for Chevrolet, Buick, and GMC.<br> <strong>Expert Certification </strong>- Every vehicle undergoes a multipoint inspection and reconditioning by GM factory-trained technicians.<br> <strong>Comprehensive Coverage </strong>- Includes a 12-month/12,000-mile bumper-to-bumper warranty.<br> <strong>Ownership Confidence </strong>- Includes 24-hour Roadside Assistance and Courtesy Transportation during warranty repairs.<br> <strong>Exchange Policy </strong>- A 10-day/500-mile exchange program to ensure total satisfaction., CLEAN CARFAX REPORT, 1 OWNEROTHER NOTABLE FEATURES AND OPTIONS YOU SHOULD KNOW ABOUT:Preferred Equipment Group 4SBSiriusXM with 360L Trial SubscriptionFront Bucket SeatsPower Front Passenger Windows with Express Up/downDeep-Tinted GlassKeyless Open and StartRear Wheelhouse LinersRear Premium Floor Liners with Removable Carpet InsertFront Premium Floor Liners with Removable Carpet InsertPush Button StartRemote Vehicle Starter SystemElectric Rear-Window DefoggerFront Rain-Sensing WipersSpray-On Pickup Bedliner with GMC LogoFloor-Mounted Centre ConsoleGloss Black Header Grille and Grille Insert BarsSafety Alert SeatAM/FM Stereo with Premium GMC Infotainment SystemWireless ChargingHeated Driver and Front Outboard Passenger SeatsHeated 2nd Row Outboard Seats120-Volt Bed Mounted Power Outlet120-Volt Instrument Panel Power OutletVentilated Driver and Front Passenger SeatsManual Tilt-Wheel/telescoping Steering Column2-Speed Active Transfer CaseSierra HD Pro SafetyWireless Phone ProjectionProGrade Trailering System20 High Gloss Black 8 Spokes Aluminum WheelsPerforated Leather-Appointed Front Seat TrimTrailer Cam Provisions and Trailer Viewing Software2 Charge/data USB Ports Inside Centre Console2 USB Ports2 Charge-Only Rear USB PortsUltrasonic Front and Rear Park AssistOnStar Services CapableLED Cargo Area LightingRear Cross Traffic AlertSteering Wheel Audio ControlsTrailer Side Blind Zone AlertBose Premium 7-Speaker Sound SystemUnauthorized Entry Theft-Deterrent SystemHD Surround VisionBed View Camera with Two Trailer Camera ProvisionsX31 Off-Road PackageAT4 Preferred PackagePower Sliding Rear Window with DefoggerLED Smoked Amber Roof Marker LampsUniversal Home RemoteENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE, ONYX BLACKConvenience In addition to basic cruise control functionality, adaptive cruise has the ability to automatically speed up and slow down the vehicle to match the speed of the vehicle ahead. If there is no vehicle ahead, it will maintain the cruising speed set by the driver.Safety and Security The vehicle is equipped with a system that senses, and then prepares, the vehicle and/or occupants, for an impending forward collision. The vehicle constantly monitors the roadway in front of the vehicle and identifies and tracks pedestrians on an interior display. If the system determines a likely impact, it will automatically take preventative steps to avoid hitting the pedestrian. The vehicle is equipped with a camera that displays an image of the area behind the vehicle on an interior display. Brake assist senses panic braking from the speed of the brake pedal's travel and applies all available power brake boost.Technology and Telematics Apple CarPlay/Android Auto smart device wireless mirroring Mobile devices can wirelessly connect to the internet through the vehicle's private mobile network. Ready to drive home this 2026 GMC Sierra 2500HD AT4 today at Holiday Buick GMC? Call us at (920) 238-3058 to schedule your visit. Don’t miss out at this price $74,887 it won’t last long!We strive to ensure that all vehicles are properly priced, but occasionally errors may occur. Please call to confirm vehicle price, options, and availability.Call Now Toll Free! 1-(866) 875-3224. Check out our Full inventory at www.holidayautomotive.com. Holiday Automotive in Fond du Lac, Wisconsin has been a family owned and operated dealership since 1959. We are located at HWY 41 and HWY 23 at Exit 99. We are pleased to offer ON THE SPOT FINANCING. BAD CREDIT OR GOOD CREDIT, we work with over 20 banks to get you APPROVED AT THE MOST COMPETITIVE RATES. We provide AIRPORT TRANSPORTATION and NATIONWIDE DELIVERY OPTIONS. At Holiday Automotive we are worth the trip!While every reasonable effort is made to ensure the accuracy of these data, we are not responsible for any errors or omissions contained on these pages. Please verify any information in question with a dealership sales representative.