Save2020 GMC Sierra 3500HD Denali$49,990Used53,836miles4X4Leather5 seatsEst. ValueGood DealEngine6.6L V8TransmissionAutomaticEst. Fuel Economy (MPG)-VIN1GT49WE71LF280822FIND AUTOSalt Lake City, UT 8410756801-631-1332Check Availability
Save2020 GMC Sierra 3500HD Denali$58,500Used88,260miles4X4Leather5 seatsEst. ValueHigh PricedEngine6.6L V8 Bio Diesel 445hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY4LF232787UNCLUTCH AUTO,LLCStrafford, MO 6575713417-224-8990Check Availability
SaveStock Photo - Actual vehicle may differ2020 GMC Sierra 3500HD Denali$58,000Used47,248miles4X4Leather5 seatsEst. ValueFair DealEngineDuramax 6.6L V8 TurbodieselTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY4LF283156CarSwapTea, SD 57064109605-271-0280Check Availability
Save2020 GMC Sierra 3500HD Denali$53,586Used81,872miles4X4Leather5 seatsEst. ValueFair DealEngine6.6L V8 Bio Diesel 445hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY5LF211236Monster Motors KnoxvilleLouisville, TN 37777202865-317-6250Check Availability
Save2020 GMC Sierra 3500HD Denali$59,900Used55,337miles4X4Leather5 seatsTows 16,200 lbsEst. ValueFair DealEngine6.6L V8 Bio Diesel 445hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY9LF241582Griffith Auto Sales LLCHome, PA 1574740724-397-2775Check Availability
Save2020 GMC Sierra 3500HD Denali$41,285Used136,381miles4X4Leather5 seatsTows 14,500 lbsEst. ValueGood DealEngine6.6L V8 Bio Diesel 445hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY5LF282355Northlake AutoCovington, LA 70435102985-888-1163Check Availability
Save2020 GMC Sierra 3500HD Denali$58,999Used54,587miles4X4Leather5 seatsEst. ValueFair DealEngineV8, Turbo Diesel, 6.6 LiterTransmissionAutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY2LF297332Country AutoBlair, NE 68008148402-426-3325Check Availability
Save2020 GMC Sierra 3500HD Denali$74,950Used27,296miles4X4Leather5 seatsTows 16,200 lbsEst. ValueHigh PricedEngine6.6L V8 Bio Diesel 445hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY7LF295074Alejandro Cars & Trucks Inc.Alvin, TX 77511116713-847-9777Check Availability
Save2020 GMC Sierra 3500HD Denali$52,990Used85,017miles4X4Leather5 seatsEst. ValueFair DealEngine6.6L V8 Bio Diesel 445hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY8LF250287Miller Auto PlazaSaint Cloud, MN 56301665320-251-8900Check Availability
Save2020 GMC Sierra 3500HD Denali$45,995Used162,317miles4X4Leather5 seatsEst. ValueFair DealEngineV8, Turbo Diesel, 6.6 LiterTransmissionAutomaticEst. Fuel Economy (MPG)-VIN1GT49WEYXLF215833Pensacola Auto Brokers Truck CenterPensacola, FL 3250541850-494-0901Check Availability
Save2020 GMC Sierra 3500HD Denali$43,995Used141,542miles4X4Leather5 seatsEst. ValueGood DealEngine6.6L V8TransmissionAutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY4LF323378Woodcrest MotorsStevens, PA 1757849717-336-3130Check Availability
Save2020 GMC Sierra 3500HD Denali$51,600Used68,244miles4X4Leather5 seatsEst. ValueFair DealEngine6.6L V8 GasolineTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49WE70LF265700White's Toyota of LimaLima, OH 45807354419-331-0381Check Availability
Save2020 GMC Sierra 3500HD Denali$39,900Used150,335miles4X4Leather5 seatsTows 14,500 lbsEst. ValueGreat DealEngine6.6L V8 Bio Diesel 445hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY6LF300331A & B Auto SalesEkalaka, MT 593248406-975-6872Check Availability
Save2020 GMC Sierra 3500HD Denali$53,900Used78,421miles4X4Leather5 seatsEst. ValueFair DealEngine6.6L V8 Bio Diesel 445hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY3LF259088Sundance Chevrolet, INC.Grand Ledge, MI 48837834800-786-3262Check Availability
Save2020 GMC Sierra 3500HD Denali$52,000Used118,277miles4X4Leather5 seatsEst. ValueFair DealEngine6.6L V8TransmissionAutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY5LF151720Perry Auto SalesPerry, MI 4887239517-301-2424Check Availability
Save2020 GMC Sierra 3500HD Denali$63,999Used49,981miles4X4Leather5 seatsEst. ValueHigh PricedEngineDuramax 6.6L Turbo-Diesel V8 B20-Diesel Compatible EngineTransmissionAutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY3LF299879Chevrolet 112Medford, NY 11763143866-239-9452Check Availability
Save2020 GMC Sierra 3500HD Denali$37,000Used68,493miles4X4Leather5 seatsEst. ValueLow PricedEngine6.6L 8TransmissionAUTOMATICEst. Fuel Economy (MPG)-VIN1GT49WEYXLF3xxxxxElite Auto AuctionsAustin, TX 787019,487708-722-5287Check Availability
Save2020 GMC Sierra 3500HD Denali$46,995Used158,267miles4X4Leather5 seatsEst. ValueFair DealEngine6.6L V8 Bio Diesel 445hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49WEYXLF243969JMI AUTO SALESLas Vegas, NV 8910218702-613-3955Check Availability
Save2020 GMC Sierra 3500HD Denali$44,995Used122,270miles4X4Leather5 seatsTows 14,500 lbsEst. ValueGood DealEngine6.6L V8 Bio Diesel 445hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY5LF343395Superior Auto SalesNew Windsor, NY 1255335845-567-1111Check Availability
Save2020 GMC Sierra 3500HD Denali$14,980Used214,438miles4X4Leather5 seatsEst. Value-EngineV8, 6.6 Liter GasolineTransmissionAutomaticEst. Fuel Economy (MPG)-VIN1GT49WE78LF224022Ae Of MiamiMiami, FL 33142146786-460-5978Check Availability
SaveStock Photo - Actual vehicle may differ2020 GMC Sierra 3500HD Denali$42,900Used162,834miles4X4Leather5 seatsTows 14,500 lbsEst. ValueGood DealEngine6.6L V8 Bio Diesel 445hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY7LF293227Jeff's Northshore Auto IncMenasha, WI 5495258920-738-4415Check Availability
Save2020 GMC Sierra 3500HD Denali$54,995Used86,233miles4X4Leather5 seatsEst. ValueFair DealEngine6.6L V8TransmissionAutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY1LF333916Pacific Coast Auto CenterBurlington, WA 9823361360-757-0400Check Availability
SaveVideo Available2020 GMC Sierra 3500HD Denali$63,500Used55,802miles4X4Leather5 seatsTows 16,200 lbsEst. ValueHigh PricedEngine6.6L V8 Bio Diesel 445hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY5LF292433Gary's Auto SalesSneads Ferry, NC 2846045910-327-3070Check Availability
Save2020 GMC Sierra 3500HD Denali$54,905Used86,654miles4X4Leather5 seatsEst. ValueFair DealEngine6.6L 8 CylinderTransmissionNot SpecifiedEst. Fuel Economy (MPG)-VIN1GT49WEY4LF172400LANDMARK OF TAYLORVILLE, INC.Taylorville, IL 62568106217-824-1460Check Availability