{"type":"vehicle","@type":"Vehicle","identifier":"3GTU9DETXMG244693","name":"2021 GMC Sierra 1500 SLT","vin":"3GTU9DETXMG244693","url":"https://opendealer.shop/knudtsen-chevrolet-post-falls-id/2021-gmc-sierra-1500-slt-3gtu9detxmg244693","vehicleDetailsUrl":"https://autos.lotlinx.com/?ad=3GTU9DETXMG244693&pdate=202608170301&request=AdLink&pubId=280000&url=1&utm_source=opendealer&utm_medium=referral&utm_campaign=ai-traffic","detailsUrl":"https://autos.lotlinx.com/?ad=3GTU9DETXMG244693&pdate=202608170301&request=AdLink&pubId=280000&url=1&utm_source=opendealer&utm_medium=referral&utm_campaign=ai-traffic","dealerWebsite":null,"primaryImage":"https://imgcdn.lotlinx.com/vdn/15049/gmc_sierra%201500_2021_3GTU9DETXMG244693_15049_2749181719.jpg?ver=20260816","thumbnailUrl":"https://imgcdn.lotlinx.com/vdn/15049/gmc_sierra%201500_2021_3GTU9DETXMG244693_15049_2749181719.jpg?ver=20260816","make":"GMC","model":"Sierra 1500","vehicleModelDate":2021,"modelCode":null,"trimLevel":"SLT","bodyType":"Truck","numberOfDoors":"4","color":"Summit White","vehicleInteriorColor":"Jet Black","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":93503,"offers":{"@type":"Offer","price":34988,"priceCurrency":"USD","availability":"https://schema.org/InStock","url":"https://opendealer.shop/knudtsen-chevrolet-post-falls-id/2021-gmc-sierra-1500-slt-3gtu9detxmg244693","priceSpecification":{"msrp":null,"internetPrice":34988,"priceChange":null}},"description":"<b>Vehicle Details</b><br>This pre-owned 2021 GMC Sierra 1500 SLT is a strong choice for drivers who want capability, comfort, and advanced technology in one well-equipped pickup. Powered by a 6-cylinder, 3.0L diesel engine and paired with 4WD, this GMC Sierra is engineered for confident towing, hauling, and everyday driving in changing road conditions. Its refined SLT trim adds premium features and a sophisticated feel, making it ideal for both work and weekend travel.  Inside, you'll find modern convenience and driver-focused tech designed to keep every trip connected and protected. Apple CarPlay makes it easy to access your favorite apps, music, and calls, while the integrated navigation system helps you stay on course with confidence. Adaptive Cruise Control supports smoother highway driving, and Lane Departure Warning adds an extra layer of awareness on longer journeys. Cross-Traffic Alert provides helpful assistance when backing out of parking spaces or driveways.  With its bold GMC styling, durable construction, and impressive capability, this 2021 GMC Sierra 1500 SLT delivers the versatility truck shoppers want. If you're searching for a pre-owned GMC Sierra 1500 for sale in Post Falls, ID, this 4WD diesel pickup is ready to impress. Contact us today to learn more or schedule a test drive.<br><br><b>Equipment</b><br>Protect this unit from unwanted accidents with a cutting edge backup camera system. This unit features a high end BOSE stereo system. The GMC Sierra offers Apple CarPlay for seamless connectivity. This model comes equipped with Android Auto for seamless smartphone integration on the road. This vehicle has a clean AutoCheck report, ensuring its impeccable vehicle history. This model's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. It keeps you comfortable with Auto Climate. The leather seats in this vehicle are a must for buyers looking for comfort, durability, and style. Lane Keep Assist in this model helps maintain safe driving by gently steering to stay","additionalProperty":[{"@type":"PropertyValue","name":"feature","value":"SLT Convenience Package: Ventilated Driver and Front Passenger Seats"},{"@type":"PropertyValue","name":"feature","value":"Heated 2nd Row Outboard Seats"},{"@type":"PropertyValue","name":"feature","value":"Power Sliding Rear Window with Rear Defogger"},{"@type":"PropertyValue","name":"feature","value":"2 USB Ports (1st Row)"},{"@type":"PropertyValue","name":"feature","value":"Floor-Mounted Center Console"},{"@type":"PropertyValue","name":"feature","value":"Front Bucket Seats"},{"@type":"PropertyValue","name":"feature","value":"2 USB Ports"},{"@type":"PropertyValue","name":"feature","value":"Universal Home Remote"},{"@type":"PropertyValue","name":"feature","value":"D"}],"image":[{"@type":"ImageObject","url":"https://imgcdn.lotlinx.com/vdn/15049/gmc_sierra%201500_2021_3GTU9DETXMG244693_15049_2749181719.jpg?ver=20260816","description":"2021 GMC Sierra 1500 - Primary exterior view","representativeOfPage":true}],"seller":{"@type":"AutoDealer","name":"Knudtsen Chevrolet","slug":"knudtsen-chevrolet-post-falls-id","telephone":null,"url":null,"address":{"@type":"PostalAddress","postalCode":"83854","addressRegion":"ID","streetAddress":"1900 E Polston Ave","addressCountry":"US","addressLocality":"Post Falls"},"latitude":"47.7136000","longitude":"-116.9180000","dealerGroup":null,"aggregateRating":{"@type":"AggregateRating","ratingValue":4.5,"reviewCount":2507,"bestRating":5,"worstRating":1}},"stockNumber":null,"slug":"2021-gmc-sierra-1500-unknown","dateCreated":"2026-08-17T10:31:03.565Z","dateModified":"2026-08-17T10:31:03.564Z","safetyRating":{"source":"NHTSA","program":"5-Star Safety Ratings (NCAP)","sourceUrl":"https://www.nhtsa.gov/ratings","nhtsaVehicleId":15360,"vehicleDescription":"2021 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":"Optional","laneDepartureWarning":"No"},"fetchedAt":"2026-07-30T06:03:01.302Z"},"recallSummary":{"source":"NHTSA","scope":"year_make_model","openRecallCount":7,"hasOpenRecalls":true,"hasParkIt":false,"hasParkOutside":false,"fetchedAt":"2026-08-17T12:00:14.435Z"},"referenceSpecs":{"source":"manufacturer_reference","trimName":"SLT","description":"SLT 4dr Crew Cab 4WD 5.8 ft. 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