Save2020 GMC Sierra 3500HD Base$42,900Used73,672miles4X46 seatsTows 16,200 lbsEst. ValueFair DealEngine6.6L V8 Bio Diesel 445hpTransmissionAutomatic 10-SpeedEst. Fuel Economy (MPG)-VIN1GD49SEY9LF267412Copper State MotorsportsPhoenix, AZ 850275602-616-0423Check Availability
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 SLT$34,900Used103,486miles4X4Leather6 seatsEst. ValueGreat DealEngineV8, 6.6 Liter GasolineTransmissionAutomaticEst. Fuel Economy (MPG)-VIN1GT49UE76LF152046Down East AutoCharlotte, NC 2822776980-229-4644Check Availability
Save2020 GMC Sierra 3500HD SLT$44,983Used121,871miles4X4Leather6 seatsEst. ValueFair DealEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49UEY8LF234451Snyder Motors Inc.Bozeman, MT 59718146406-388-2771Check 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 45807358419-331-0381Check 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 SLE$28,499Used153,593miles4X46 seatsTows 14,500 lbsEst. ValueLow PricedEngine6.6L V8 Gasoline 401hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49TE74LF311866MCCURDY AUTOCavalier, ND 5822012701-521-0494Check 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 SLEPrice UnknownContact seller for priceUsed86,744miles4X46 seatsEst. Value-Engine6.6L V8 GasolineTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49TE72LF211443Pryor ChevroletPryor, OK 74361291918-393-4182Check Availability