{"type":"vehicle","@type":"Vehicle","identifier":"3GTU9DET9LG311556","name":"2020 GMC Sierra 1500 SLT","vin":"3GTU9DET9LG311556","url":"https://opendealer.shop/koehne-chevrolet-marinette-wi/2020-gmc-sierra-1500-slt-3gtu9det9lg311556","vehicleDetailsUrl":"https://autos.lotlinx.com/?ad=3GTU9DET9LG311556&pdate=202608020301&request=AdLink&pubId=280000&url=1&utm_source=opendealer&utm_medium=referral&utm_campaign=ai-traffic","detailsUrl":"https://autos.lotlinx.com/?ad=3GTU9DET9LG311556&pdate=202608020301&request=AdLink&pubId=280000&url=1&utm_source=opendealer&utm_medium=referral&utm_campaign=ai-traffic","dealerWebsite":null,"primaryImage":"https://imgcdn.lotlinx.com/vdn/64035/gmc_sierra%201500_2020_3GTU9DET9LG311556_64035_2744411803.jpg?ver=20260731","thumbnailUrl":"https://imgcdn.lotlinx.com/vdn/64035/gmc_sierra%201500_2020_3GTU9DET9LG311556_64035_2744411803.jpg?ver=20260731","make":"GMC","model":"Sierra 1500","vehicleModelDate":2020,"modelCode":null,"trimLevel":"SLT","bodyType":"Truck","numberOfDoors":"4","color":"summit white","vehicleInteriorColor":"Jet Black, Perforated Leather-Appointed Front Seat Trim","colorCode":null,"interiorColorCode":null,"vehicleTransmission":"Automatic","driveWheelConfiguration":"4WD","vehicleEngine":{"name":"3L 6-cyl","engineDisplacement":"3L"},"fuelType":"Gasoline","fuelEconomy":{"city":16,"highway":22},"vehicleCondition":"Used","certified":"false","mileageFromOdometer":109260,"offers":{"@type":"Offer","price":30389,"priceCurrency":"USD","availability":"https://schema.org/InStock","url":"https://opendealer.shop/koehne-chevrolet-marinette-wi/2020-gmc-sierra-1500-slt-3gtu9det9lg311556","priceSpecification":{"msrp":null,"internetPrice":30389,"priceChange":null}},"description":"<b>Vehicle Details</b><br>2020 GMC Sierra 1500 SLT 4WD ??? powerful capability, refined comfort, and advanced tech, now available in Marinette, WI. This well-maintained GMC Sierra pairs a fuel-efficient 3.0L inline-6 Duramax diesel with a 4WD system that provides confident towing and composed highway manners. The SLT trim adds premium touches: leather-appointed seating, heated front seats, and a suite of convenience features designed for daily driving and longer trips.  Tech and connectivity are front and center with Apple CarPlay integration, a built-in navigation system, and steering wheel audio controls that keep your focus on the road. The premium BOSE stereo delivers crisp, immersive sound for every playlist and podcast. For those who venture off the beaten path, the Off-Road Package enhances capability with rugged-ready components and improved trail performance.  This GMC Sierra is priced competitively to be the best value in the market ??? a durable, comfortable pickup with modern amenities at an unbeatable price. Whether you need robust towing capacity, diesel efficiency, or upscale cabin comforts, this 2020 GMC Sierra 1500 SLT checks the boxes. Vehicle is located in Marinette, WI and ready for test drives and inspections. Contact the dealership to schedule a viewing and confirm current pricing and availability ??? experiencethe blend of capability and refinement that makes this GMC Sierra an excellent choice for work and weekend adventures.<br><br><b>Equipment</b><br>This vehicle has a clean AutoCheck report, ensuring its impeccable vehicle history. This unit keeps you comfortable with Auto Climate. Never get into a cold vehicle again with the remote start feature on this 1/2 ton pickup. See what's behind you with the back up camera on this 1/2 ton pickup. An off-road package is installed on this model so you are ready for your four-wheeling best. This GMC Sierra's AutoCheck: 1 owner, assurance of single-owner history for peace of mind. It features steering wheel audio controls. You'll never again be los","additionalProperty":[{"@type":"PropertyValue","name":"feature","value":"Preferred Equipment Group 4SA"},{"@type":"PropertyValue","name":"feature","value":"SLT Convenience Package"},{"@type":"PropertyValue","name":"feature","value":"SLT Preferred Package"},{"@type":"PropertyValue","name":"feature","value":"SLT Premium Package"},{"@type":"PropertyValue","name":"feature","value":"Trailering Package"},{"@type":"PropertyValue","name":"feature","value":"X31 Off-Road Package"},{"@type":"PropertyValue","name":"feature","value":"6 Speakers"},{"@type":"PropertyValue","name":"feature","value":"6-Speaker Audio System Feature"},{"@type":"PropertyValue","name":"feature","value":"AM/FM radio: SiriusXM with 360L"},{"@type":"PropertyValue","name":"feature","value":"HD Radio"},{"@type":"PropertyValue","name":"feature","value":"Premium audio system: GMC Infotainmen"}],"image":[{"@type":"ImageObject","url":"https://imgcdn.lotlinx.com/vdn/64035/gmc_sierra%201500_2020_3GTU9DET9LG311556_64035_2744411803.jpg?ver=20260731","description":"2020 GMC Sierra 1500 - Primary exterior view","representativeOfPage":true}],"seller":{"@type":"AutoDealer","name":"Koehne Chevrolet","slug":"koehne-chevrolet-marinette-wi","telephone":null,"url":null,"address":{"@type":"PostalAddress","postalCode":"54143","addressRegion":"WI","streetAddress":"W 1760 US-41","addressCountry":"US","addressLocality":"Marinette"},"latitude":"45.0707000","longitude":"-87.6830000","dealerGroup":null,"aggregateRating":{"@type":"AggregateRating","ratingValue":4.3,"reviewCount":623,"bestRating":5,"worstRating":1}},"stockNumber":null,"slug":"2020-gmc-sierra-1500-unknown","dateCreated":"2026-08-01T10:35:24.137Z","dateModified":"2026-08-02T10:32:39.697Z","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":"2025-11-13"},"isFeatured":false,"internetprice":30389,"msrp":null}