{"type":"vehicle","@type":"Vehicle","identifier":"3GTU9FET1LG386988","name":"2020 GMC Sierra 1500 Denali","vin":"3GTU9FET1LG386988","url":"https://opendealer.shop/irwin-automotive-group-laconia-nh/2020-gmc-sierra-1500-denali-3gtu9fet1lg386988","vehicleDetailsUrl":"https://autos.lotlinx.com/?ad=3GTU9FET1LG386988&pdate=202607301500&request=AdLink&pubId=280000&url=1&utm_source=opendealer&utm_medium=referral&utm_campaign=ai-traffic","detailsUrl":"https://autos.lotlinx.com/?ad=3GTU9FET1LG386988&pdate=202607301500&request=AdLink&pubId=280000&url=1&utm_source=opendealer&utm_medium=referral&utm_campaign=ai-traffic","dealerWebsite":null,"primaryImage":"https://imgcdn.lotlinx.com/vdn/40764/gmc_sierra%201500_2020_3GTU9FET1LG386988_40764_2737430378.jpg?ver=20260709","thumbnailUrl":"https://imgcdn.lotlinx.com/vdn/40764/gmc_sierra%201500_2020_3GTU9FET1LG386988_40764_2737430378.jpg?ver=20260709","make":"GMC","model":"Sierra 1500","vehicleModelDate":2020,"modelCode":null,"trimLevel":"Denali","bodyType":"Truck","numberOfDoors":"4","color":"Onyx Black","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":50162,"offers":{"@type":"Offer","price":37597,"priceCurrency":"USD","availability":"https://schema.org/InStock","url":"https://opendealer.shop/irwin-automotive-group-laconia-nh/2020-gmc-sierra-1500-denali-3gtu9fet1lg386988","priceSpecification":{"msrp":null,"internetPrice":37597,"priceChange":null}},"description":"Priced below KBB Fair Purchase Price! Odometer is 42501 miles below market average!10-Speed Automatic, 4WD, Jet Black Leather.DRIVE WORRY FREE Never worry when you buy from us! Our Worry Free Guarantee includes: 1. Money Back Guarantee*, 2. Vehicle Exchange Promise*, 3. Live Market Pricing, 4. Complimentary Real Deal Price Check Report, 5. Complimentary Vehicle History Report, 6. All vehicles are priced thousands below book value, 7. Service Department performs a 125 rigorous inspection, 8. Irwin Rewards saving you hundreds!FINANCING OPTIONS Good or bad credit? We work with dozens of banks with excellent relationships and all types of credit challenges with our goal of 100% credit approval!HOW DO WE PRICE? We do careful market research of similar vehicles up and down the east coast and price ours to be the best value, saving you time and money. We call this market based pricing.Call us at 800 639 6700 or e-mail to confirm availability and get any questions you have answered quickly. Our hours are Monday-Friday 8:30am-7pm, Saturday 8:30am-5pm, and Sunday 11am-3pm.Since 1951 we have been New Hampshire's Premier Auto Group. 3 generations, family owned, operated and community minded.*See dealer for details. $764.00 title and documentation fee, $35.00 Title Fee, in addition to selling price. Some exclusions. Not valid on prior orders and some models excluded.Onyx Black 2020 GMC Sierra 1500 Denali 4D Crew Cab 4WD 10-Speed Automatic 3.0L I6 22/26 City/Highway MPGIrwin Chevrolet is proud to present you with another True Market Priced Pre-Owned Vehicle. Transparent Pricing Of $ 37597 !! This 2020 GMC Sierra 1500 Denali is loaded with the following Factory Options: 10-Speed Automatic, 4WD, and Jet Black Leather Denali Ultimate Package (Power Sunroof), Driver Alert Package I (Lane Change Alert w/Side Blind Zone Alert, Rear Cross Traffic Alert, and Ultrasonic Front & Rear Park Assist), Driver Alert Package II (Adaptive Cruise Control - Camera, Automatic Emergency Braking, Following Distance Indicator, Forward Collision Alert","additionalProperty":[{"@type":"PropertyValue","name":"feature","value":"DRIVER ALERT PACKAGE II  includes (UEU) Forward Collision Alert  (UHX) Lane Keep Assist/Lane Departure Warning  (UHY) Automatic Emergency Braking  (UKJ) Front Pedestrian Braking  (TQ5) IntelliBeam headlamps  (KSG) Adaptive Cruise Control-Camera and (UE4) F"}],"image":[{"@type":"ImageObject","url":"https://imgcdn.lotlinx.com/vdn/40764/gmc_sierra%201500_2020_3GTU9FET1LG386988_40764_2737430378.jpg?ver=20260709","description":"2020 GMC Sierra 1500 - Primary exterior view","representativeOfPage":true}],"seller":{"@type":"AutoDealer","name":"Irwin Automotive Group","slug":"irwin-automotive-group-laconia-nh","telephone":null,"url":null,"address":{"@type":"PostalAddress","postalCode":"03246","addressRegion":"NH","streetAddress":"59 Bisson Ave","addressCountry":"US","addressLocality":"Laconia"},"latitude":"43.5359000","longitude":"-71.4656000","dealerGroup":null},"stockNumber":null,"slug":"2020-gmc-sierra-1500-unknown","dateCreated":"2026-07-30T22:33:51.456Z","dateModified":"2026-07-30T23:40:47.116Z","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":"Denali","description":"Denali 4dr Crew Cab 4WD 5.8 ft. 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