{"type":"vehicle","@type":"Vehicle","identifier":"1GT4UPEY2TF330317","name":"2026 GMC Sierra 2500HD AT4","vin":"1GT4UPEY2TF330317","url":"https://opendealer.shop/lehmers-concord-gmc-concord-ca/2026-gmc-sierra-2500hd-at4-1gt4upey2tf330317","vehicleDetailsUrl":"https://autos.lotlinx.com/?ad=1GT4UPEY2TF330317&pdate=202608060301&request=AdLink&pubId=280000&url=1&utm_source=opendealer&utm_medium=referral&utm_campaign=ai-traffic","detailsUrl":"https://autos.lotlinx.com/?ad=1GT4UPEY2TF330317&pdate=202608060301&request=AdLink&pubId=280000&url=1&utm_source=opendealer&utm_medium=referral&utm_campaign=ai-traffic","dealerWebsite":null,"primaryImage":"https://imgcdn.lotlinx.com/vdn/37089/gmc_sierra%202500%20hd_0_1GT4UPEY2TF330317_37089_2743674425.jpg?ver=20260729","thumbnailUrl":"https://imgcdn.lotlinx.com/vdn/37089/gmc_sierra%202500%20hd_0_1GT4UPEY2TF330317_37089_2743674425.jpg?ver=20260729","make":"GMC","model":"Sierra 2500HD","vehicleModelDate":2026,"modelCode":null,"trimLevel":"AT4","bodyType":"Truck","numberOfDoors":"4","color":null,"vehicleInteriorColor":"Jet Black With Kalahari Accents","colorCode":null,"interiorColorCode":null,"vehicleTransmission":"Automatic","driveWheelConfiguration":"4WD","vehicleEngine":{"name":"6.6L 8-cyl","engineDisplacement":"6.6L"},"fuelType":"Diesel","fuelEconomy":{"city":null,"highway":null},"vehicleCondition":"New","certified":"false","mileageFromOdometer":2,"offers":{"@type":"Offer","price":84160,"priceCurrency":"USD","availability":"https://schema.org/InStock","url":"https://opendealer.shop/lehmers-concord-gmc-concord-ca/2026-gmc-sierra-2500hd-at4-1gt4upey2tf330317","priceSpecification":{"msrp":null,"internetPrice":84160,"priceChange":null}},"description":"2026 GMC Sierra 2500HD AT4 4WD for Sale in Concord CA<br><br>This new 2026 GMC Sierra 2500HD AT4 Crew Cab 4WD at Lehmers Concord GMC is built for drivers who need heavy-duty diesel strength off-road confidence and premium comfort in one serious truck. With its Duramax Turbo-Diesel V8 Allison automatic transmission and AT4-focused capability this Sierra HD is ready for towing support job-site use weekend recreation and long Bay Area drives.<br><br>FEATURE HIGHLIGHTS<br><br>??? Duramax Turbo-Diesel V8 heavy-duty power<br>??? Allison automatic transmission<br>??? Crew Cab 4WD configuration<br>??? AT4 off-road equipment with Rancho shocks and skid plates<br>??? Jet Black interior with Kalahari accents<br>??? Heated and ventilated front leather seating surfaces<br>??? Heated wrapped steering wheel<br>??? 13.4-inch diagonal Premium GMC Infotainment System with Google built-in compatibility<br>??? 12.3-inch diagonal color Driver Information Center<br><br>This Sierra 2500HD AT4 is a strong fit for Bay Area drivers who want a truck that can work hard without feeling stripped down. It makes sense for contractors ranch property owners boat owners RV shoppers outdoor families and anyone who wants confident 4WD capability for steep roads wet weather dirt access roads and mountain trips. The AT4 trim gives this heavy-duty GMC a more rugged personality while keeping the cabin comfortable enough for daily driving.<br><br>Inside the AT4 cabin is designed to make long days easier. The large center touchscreen helps keep navigation media and phone functions easy to reach while the digital Driver Information Center gives the driver a clean view of key information. Heated and ventilated front seats a heated steering wheel and Kalahari-accented trim add a premium feel and the Crew Cab layout gives passengers useful space for commutes family travel or work crews.<br><br>The Sierra HD AT4 brings together the durability expected from a 2500HD truck with the extra confidence of off-road-focused hardware and 4WD. For drivers moving between","additionalProperty":[{"@type":"PropertyValue","name":"feature","value":"AT4 Preferred Package"},{"@type":"PropertyValue","name":"feature","value":"Gooseneck/5th Wheel Prep Package"},{"@type":"PropertyValue","name":"feature","value":"Preferred Equipment Group 4SB"},{"@type":"PropertyValue","name":"feature","value":"Technology Package"},{"@type":"PropertyValue","name":"feature","value":"X31 Off-Road Package"},{"@type":"PropertyValue","name":"feature","value":"7 Speakers"},{"@type":"PropertyValue","name":"feature","value":"AM/FM radio: SiriusXM with 360L"},{"@type":"PropertyValue","name":"feature","value":"Bose Premium 7-Speaker Sound System"},{"@type":"PropertyValue","name":"feature","value":"Premium audio system: Premium GMC Infotainment Syste"}],"image":[{"@type":"ImageObject","url":"https://imgcdn.lotlinx.com/vdn/37089/gmc_sierra%202500%20hd_0_1GT4UPEY2TF330317_37089_2743674425.jpg?ver=20260729","description":"2026 GMC Sierra 2500HD - Primary exterior view","representativeOfPage":true}],"seller":{"@type":"AutoDealer","name":"Lehmer's Concord GMC","slug":"lehmers-concord-gmc-concord-ca","telephone":null,"url":null,"address":{"@type":"PostalAddress","postalCode":"94520","addressRegion":"CA","streetAddress":"1905 Market St","addressCountry":"US","addressLocality":"Concord"},"latitude":"37.9720000","longitude":"-122.0460000","dealerGroup":null,"aggregateRating":{"@type":"AggregateRating","ratingValue":4.3,"reviewCount":956,"bestRating":5,"worstRating":1}},"stockNumber":null,"slug":"2026-gmc-sierra-2500hd-unknown","dateCreated":"2026-08-06T10:31:58.794Z","dateModified":"2026-08-06T10:31:58.792Z","safetyRating":null,"recallSummary":null,"referenceSpecs":null,"inventoryStatus":"on_lot","estimatedArrival":null,"_raw":{"lot_date":"2026-07-07"},"isFeatured":false,"internetprice":84160,"msrp":null}