Save2021 GMC Sierra 1500 SLT$37,050Used63,362miles4X4Leather6 seatsEst. ValueFair DealEngine5.3L V8 Gasoline 355hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9DED2MG403019B & B Auto SalesBrookings, SD 5700699605-692-7010Check Availability
Save2021 GMC Sierra 1500 SLT$29,984Used123,143miles4X4Leather6 seatsEst. ValueFair DealEngine3L I6 Diesel 277hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9DET1MG134163Champion ChevroletReno, NV 89502182775-276-6533Check Availability
SaveStock Photo - Actual vehicle may differ2021 GMC Sierra 1500 SLT$34,520Used98,901miles4X4Leather6 seatsEst. ValueFair DealEngine5.3L V8 Gasoline 355hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9DED0MG159421ALM Ford MariettaMarietta, GA 30060604943-300-4020Check Availability
Save2021 GMC Sierra 1500 SLT$41,849Used43,541miles4X4Leather6 seatsEst. ValueHigh PricedEngine6.2L V8 Gasoline 420hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9DEL7MG316966Shortline Buick GMCAurora, CO 80012272303-751-3400Check Availability
Save2021 GMC Sierra 1500 SLT$39,991Used55,078miles4X4Leather6 seatsEst. ValueFair DealEngine5.3L V8 Gasoline 355hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9DED8MG116929Classic Chrysler Dodge Jeep Ram FIAT of ArlingtonArlington, TX 76018841682-206-3532Check Availability
Save2021 GMC Sierra 1500 SLT$32,950Used110,080miles4X4Leather6 seatsEst. ValueFair DealEngine5.3L V8 Gasoline 355hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9DED4MG317887Jeff England Motor Company, Inc.Cleburne, TX 7603382817-558-4466Check Availability
SaveStock Photo - Actual vehicle may differ2021 GMC Sierra 1500 SLT$27,995Used123,590miles4X2Leather6 seatsTows 9,700 lbsEst. ValueFair DealEngine5.3L V8 Gasoline 355hpTransmission8-Speed Shiftable AutomaticEst. Fuel Economy (MPG)22Highway15CityVIN3GTP8DED2MG252652javy auto sales #2Houston, TX 77090160346-571-8036Check Availability
Save2021 GMC Sierra 1500 SLT$36,449Used85,245miles4X4Leather6 seatsEst. Value-EngineV8, EcoTec3, DFM, 5.3 Liter GasolineTransmissionAutomaticEst. Fuel Economy (MPG)-VIN3GTU9DED5MG370257Progressive Auto SalesSaint Albans, VT 0547891802-524-3040Check Availability
SaveStock Photo - Actual vehicle may differ2021 GMC Sierra 1500 SLT$39,967Used66,061miles4X4Leather6 seatsEst. ValueHigh PricedEngine5.3L V8 Gasoline 355hpTransmission8-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9DED9MG220121Mitchell Buick-GMCSan Angelo, TX 76901498325-949-1811Check Availability
Save2021 GMC Sierra 1500 SLT$35,490Used94,461miles4X4Leather6 seatsEst. ValueFair DealEngine5.3L V8 Gasoline 355hpTransmissionAutomatic 1-SpeedEst. Fuel Economy (MPG)-VIN3GTU9DEDXMG474825NORTHTOWN AUTOMOTIVEYankton, SD 57078405605-210-7137Check Availability
Save2021 GMC Sierra 1500 SLT$28,258Used95,091miles4X4Leather6 seatsEst. ValueGood DealEngine5.3L V8 Gasoline 355hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GTU9DED2MZ280340Van Buick GMCScottsdale, AZ 85260222480-498-4471Check Availability
Save2021 GMC Sierra 1500 SLT$39,860Used77,471miles4X4Leather6 seatsEst. ValueHigh PricedEngine5.3L V8 Gasoline 355hpTransmission6AEst. Fuel Economy (MPG)-VIN1GTU9DED1MZ214832Balkcum AutoWilmington, NC 2841172910-686-4755Check Availability
Save2021 GMC Sierra 1500 SLT$39,995Used71,645miles4X4Leather6 seatsTows 9,200 lbsEst. ValueHigh PricedEngine6.2L V8 Gasoline 420hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)20Highway15CityVIN3GTU9DEL5MG423367Bradbury Auto Sales & Service CenterGibson City, IL 6093636217-784-4039Check Availability
SaveStock Photo - Actual vehicle may differ2021 GMC Sierra 1500 SLT$38,841Used70,836miles4X4Leather6 seatsEst. ValueFair DealEngine5.3L V8 Gasoline 355hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9DED4MG480491Champion Chevrolet GMCKingsport, TN 37660196423-343-4096Check Availability
Save2021 GMC Sierra 1500 SLT$32,995Used108,765miles4X4Leather6 seatsEst. ValueFair DealEngine6.2L V8 Gasoline 420hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9DELXMG164908Velishek Auto SalesPrior Lake, MN 5537279952-447-2237Check Availability
Save2021 GMC Sierra 1500 SLT$37,981Used65,967miles4X4Leather6 seatsEst. ValueFair DealEngine5.3L V8 Gasoline 355hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9DED5MG257554Way Scarff FordAuburn, WA 98002239253-833-1500Check Availability
Save2021 GMC Sierra 1500 SLT$36,150Used90,221miles4X2Leather6 seatsTows 9,700 lbsEst. ValueHigh PricedEngine5.3L V8 Gasoline 355hpTransmission8-Speed Shiftable AutomaticEst. Fuel Economy (MPG)22Highway15CityVIN3GTP8DEDXMG430517Classic Southeast TexasBeaumont, TX 77706173409-892-5050Check Availability
Save2021 GMC Sierra 1500 SLT$32,240Used144,084miles4X4Leather6 seatsEst. ValueFair DealEngine5.3L V8 Gasoline 355hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9DED6MG416808Sango GMCWinnsboro, LA 71295144318-435-3774Check Availability
Save2021 GMC Sierra 1500 SLT$35,000Used90,657miles4X4Leather6 seatsEst. ValueFair DealEngine3L I6 Diesel 277hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9DETXMG460236Glendora ChevroletGlendora, CA 91740181909-894-0337Check Availability
SaveStock Photo - Actual vehicle may differ2021 GMC Sierra 1500 SLTPrice UnknownContact seller for priceUsed90,032miles4X2Leather6 seatsTows 9,700 lbsEst. Value-Engine3L I6 Diesel 277hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)30Highway23CityVIN3GTP8DET5MG352770Whitmore ChevroletWest Point, VA 23181106804-843-2600Check Availability
Save2021 GMC Sierra 1500 SLT$26,950Used130,164miles4X2Leather6 seatsTows 9,700 lbsEst. ValueFair DealEngine5.3L V8 Gasoline 355hpTransmission8-Speed Shiftable AutomaticEst. Fuel Economy (MPG)22Highway15CityVIN3GTP8DED9MG471236Collection Auto ImportsCharlotte, NC 2821254704-535-2727Check Availability
Save2021 GMC Sierra 1500 SLT$44,995Used47,798miles4X4Leather6 seatsEst. ValueHigh PricedEngine5.3L V8 Gasoline 355hpTransmissionAutomaticEst. Fuel Economy (MPG)-VIN1GTU9DED0MZ280546Auto WorldHays, KS 67601176785-625-0050Check Availability
Save2021 GMC Sierra 1500 SLT$35,613Used82,784miles4X4Leather6 seatsEst. ValueFair DealEngine5.3L V8 Gasoline 355hpTransmissionAutomaticEst. Fuel Economy (MPG)-VIN3GTU9DED9MG150877Johnson Brothers FordTemple, TX 7650281254-773-5257Check Availability
SaveVideo AvailableVideo Available2021 GMC Sierra 1500 SLT$35,995Used77,439miles4X4Leather6 seatsTows 9,200 lbsEst. ValueFair DealEngine5.3L V8 Gasoline 355hpTransmission8-Speed Shiftable AutomaticEst. Fuel Economy (MPG)20Highway14CityVIN1GTU9DED2MZ385816Car CorralKenosha, WI 5314442262-654-9000Check Availability