{"type":"vehicle","@type":"Vehicle","identifier":"3GTP9EELXLG439386","name":"2020 GMC Sierra 1500 AT4","vin":"3GTP9EELXLG439386","url":"https://opendealer.shop/lehmers-concord-gmc-concord-ca/2020-gmc-sierra-1500-at4-3gtp9eelxlg439386","vehicleDetailsUrl":"https://autos.lotlinx.com/?ad=3GTP9EELXLG439386&pdate=202608010301&request=AdLink&pubId=280000&url=1&utm_source=opendealer&utm_medium=referral&utm_campaign=ai-traffic","detailsUrl":"https://autos.lotlinx.com/?ad=3GTP9EELXLG439386&pdate=202608010301&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%201500_2020_3GTP9EELXLG439386_37089_2726472356.jpg?ver=20260603","thumbnailUrl":"https://imgcdn.lotlinx.com/vdn/37089/gmc_sierra%201500_2020_3GTP9EELXLG439386_37089_2726472356.jpg?ver=20260603","make":"GMC","model":"Sierra 1500","vehicleModelDate":2020,"modelCode":null,"trimLevel":"AT4","bodyType":"Truck","numberOfDoors":"4","color":"summit white","vehicleInteriorColor":"jet black with kalahari accents","colorCode":null,"interiorColorCode":null,"vehicleTransmission":"Automatic","driveWheelConfiguration":"4WD","vehicleEngine":{"name":"6.2L 8-cyl","engineDisplacement":"6.2L"},"fuelType":"Gasoline","fuelEconomy":{"city":16,"highway":21},"vehicleCondition":"Used","certified":"false","mileageFromOdometer":114212,"offers":{"@type":"Offer","price":32527,"priceCurrency":"USD","availability":"https://schema.org/InStock","url":"https://opendealer.shop/lehmers-concord-gmc-concord-ca/2020-gmc-sierra-1500-at4-3gtp9eelxlg439386","priceSpecification":{"msrp":null,"internetPrice":32527,"priceChange":null}},"description":"2020 GMC Sierra 1500 AT4 4WD for Sale in Concord CA<br><br>This used 2020 GMC Sierra 1500 AT4 Crew Cab 4WD in Summit White is available at Lehmer???s Concord GMC. Its 420-horsepower 6.2-liter EcoTec3 V8 10-speed automatic transmission and four-wheel drive deliver strong acceleration all-weather traction and premium off-road capability. CARFAX rates it a Great Value at $1660 below CARFAX Value. Third-party ratings are subject to change.<br><br>FEATURE HIGHLIGHTS<br><br>??? 6.2-liter EcoTec3 V8 with 420 horsepower and 460 lb-ft of torque<br>??? 10-speed automatic transmission and four-wheel drive<br>??? AT4 Off-Road Package and four-wheel-drive capability for changing terrain<br>??? Technology Package with a head-up display rear camera mirror and bed-view camera<br>??? Adaptive Cruise Control Automatic Emergency Braking Forward Collision Alert and Lane Keep Assist<br>??? Heated and ventilated perforated leather-appointed front seats with Jet Black and Kalahari accents<br>??? Bose premium audio navigation Apple CarPlay Android Auto and wireless phone charging<br>??? Blind-spot monitoring parking assistance and automatic high beams<br><br>This Sierra AT4 suits Bay Area drivers who want one truck for commuting recreation and demanding weekend use. The Crew Cab provides useful rear-seat room while the V8 and 4WD system support travel through changing weather steep grades and unpaved destinations. Its AT4 hardware makes it a practical choice for trips toward Tahoe the coast or remote trailheads without giving up everyday comfort.<br><br>Inside the leather-appointed cabin combines supportive seating with useful technology. Heated and ventilated front seats help across changing Northern California temperatures while the head-up display and rear camera mirror keep information within the driver???s view. Navigation smartphone integration wireless charging and Bose audio make longer drives easier and the bed-view camera adds visibility when carrying cargo.<br><br>Stock number 260354A has 114212 miles and a current market-bas","additionalProperty":[{"@type":"PropertyValue","name":"feature","value":"AT4 Preferred Package"},{"@type":"PropertyValue","name":"feature","value":"AT4 Premium Package"},{"@type":"PropertyValue","name":"feature","value":"Driver Alert Package I"},{"@type":"PropertyValue","name":"feature","value":"Driver Alert Package II"},{"@type":"PropertyValue","name":"feature","value":"Off Road Performance Package"},{"@type":"PropertyValue","name":"feature","value":"Performance Upgrade Package (LPO)"},{"@type":"PropertyValue","name":"feature","value":"Preferred Equipment Group 4SB"},{"@type":"PropertyValue","name":"feature","value":"Technology Package"},{"@type":"PropertyValue","name":"feature","value":"Trailering Package"},{"@type":"PropertyValue","name":"feature","value":"6 Speakers"},{"@type":"PropertyValue","name":"feature","value":"6-Speaker Audio System Fe"}],"image":[{"@type":"ImageObject","url":"https://imgcdn.lotlinx.com/vdn/37089/gmc_sierra%201500_2020_3GTP9EELXLG439386_37089_2726472356.jpg?ver=20260603","description":"2020 GMC Sierra 1500 - 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":"2020-gmc-sierra-1500-unknown","dateCreated":"2026-08-01T10:33:15.460Z","dateModified":"2026-08-01T12:18:15.935Z","safetyRating":{"source":"NHTSA","program":"5-Star Safety Ratings (NCAP)","sourceUrl":"https://www.nhtsa.gov/ratings","nhtsaVehicleId":14382,"vehicleDescription":"2020 GMC Sierra 1500 PU/RC 4WD","overall":"5","overallFront":"4","frontalDriver":"5","frontalPassenger":"4","overallSide":"5","sideDriver":"5","sidePassenger":"Not Rated","sidePole":"5","rollover":"4","rolloverPossibility":0.198,"adas":{"electronicStabilityControl":"Standard","forwardCollisionWarning":"No","laneDepartureWarning":"No"},"fetchedAt":"2026-07-30T06:01:20.855Z"},"recallSummary":{"source":"NHTSA","scope":"year_make_model","openRecallCount":12,"hasOpenRecalls":true,"hasParkIt":false,"hasParkOutside":false,"fetchedAt":"2026-07-27T12:00:42.906Z"},"referenceSpecs":{"source":"manufacturer_reference","trimName":"AT4","description":"AT4 4dr Double Cab 4WD SB (5.3L 8cyl 10A)","msrp":51000,"engineType":"gas","fuelType":"regular unleaded","cylinders":"V8","engineSizeL":5.3,"horsepowerHp":355,"torqueFtLbs":383,"transmission":"10-speed shiftable automatic","driveType":"four wheel drive","bodyType":"Truck (Double Cab)","doors":4,"seats":5,"lengthIn":231.8,"widthIn":81.2,"heightIn":78.5,"wheelbaseIn":147.5,"groundClearanceIn":10.9,"cargoCapacityCuFt":null,"maxCargoCapacityCuFt":null,"maxTowingLbs":9300,"maxPayloadLbs":1710,"curbWeightLbs":5150,"fuelTankCapacityGal":24,"combinedMpg":18,"cityMpg":16,"highwayMpg":21,"combinedMpge":null,"electricRangeMi":null,"batteryCapacityKwh":null,"chargeTime240vHr":null},"inventoryStatus":"on_lot","estimatedArrival":null,"_raw":{"lot_date":"2026-05-14"},"isFeatured":false,"internetprice":32527,"msrp":null}