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If you're tired of other Amarillo car dealerships treating you poorly come see us. We know there is nothing worse than dealing with rude salespeople which is why we take a softer approach. We don't like to use high-pressure sales tactics and we treat each and every customer who sets foot on our lot with respect. If you're seeking a relaxed car buying experience in Amarillo or anywhere in the Texas panhandle come see the Brown Automotive Group!","additionalProperty":[{"@type":"PropertyValue","name":"feature","value":"Preferred Equipment Group 4SA"},{"@type":"PropertyValue","name":"feature","value":"Heavy-Duty Rear Locking Differential"},{"@type":"PropertyValue","name":"feature","value":"Wheels: 18\" x 8.5\" 6-Spoke Machined Aluminum"},{"@type":"PropertyValue","name":"feature","value":"20\" x 9\" Polished Aluminum Wheels"},{"@type":"PropertyValue","name":"feature","value":"Front 40/20/40 Split-Bench Seat"},{"@type":"PropertyValue","name":"feature","value":"Front Bucket Seats"},{"@type":"PropertyValue","name":"feature","value":"Perforated Leather-Appointed Front Seat Trim"},{"@type":"PropertyValue","name":"feature","value":"10-Way Power D"}],"image":[{"@type":"ImageObject","url":"https://imgcdn.lotlinx.com/vdn/55082/gmc_sierra%201500_2020_3GTU9DEL5LG368725_55082_2742866461.jpg?ver=20260726","description":"2020 GMC Sierra 1500 - Primary exterior view","representativeOfPage":true}],"seller":{"@type":"AutoDealer","name":"Brown Buick GMC","slug":"brown-buick-gmc-amarillo-tx","telephone":null,"url":null,"address":{"@type":"PostalAddress","postalCode":"79110","addressRegion":"TX","streetAddress":"4300 S Georgia St","addressCountry":"US","addressLocality":"Amarillo"},"latitude":"35.1663000","longitude":"-101.8670000","dealerGroup":null,"aggregateRating":{"@type":"AggregateRating","ratingValue":4.6,"reviewCount":1120,"bestRating":5,"worstRating":1}},"stockNumber":null,"slug":"2020-gmc-sierra-1500-unknown","dateCreated":"2026-08-01T10:34:18.921Z","dateModified":"2026-08-01T13:01:15.281Z","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":"SLT","description":"SLT 4dr Double Cab 4WD SB (5.3L 8cyl 10A)","msrp":47800,"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":6,"lengthIn":231.8,"widthIn":81.2,"heightIn":75.6,"wheelbaseIn":147.4,"groundClearanceIn":8.1,"cargoCapacityCuFt":null,"maxCargoCapacityCuFt":null,"maxTowingLbs":12100,"maxPayloadLbs":1940,"curbWeightLbs":5020,"fuelTankCapacityGal":24,"combinedMpg":19,"cityMpg":16,"highwayMpg":22,"combinedMpge":null,"electricRangeMi":null,"batteryCapacityKwh":null,"chargeTime240vHr":null},"inventoryStatus":"on_lot","estimatedArrival":null,"_raw":{"lot_date":"2026-07-26"},"isFeatured":false,"internetprice":35999,"msrp":null}