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
Save2021 GMC Sierra 1500 Elevation$31,984Used93,905miles4X26 seatsTows 9,100 lbsEst. ValueHigh PricedEngine5.3L V8 Gasoline 355hpTransmission8-Speed Shiftable AutomaticEst. Fuel Economy (MPG)22Highway15CityVIN3GTP8CED9MG108963Classic Southeast TexasBeaumont, TX 77706173409-892-5050Check Availability
Save2021 GMC Sierra 1500 Elevation$32,407Used67,056miles4X46 seatsTows 8,900 lbsEst. ValueFair DealEngine3L I6 Diesel 277hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9CET7MG236058Leman's Chevy CityBloomington, IL 61704458309-663-4311Check Availability
SaveStock Photo - Actual vehicle may differ2021 GMC Sierra 1500 AT4$42,220Used77,500miles4X4Leather5 seatsEst. ValueHigh PricedEngine3L I6 Diesel 277hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9EET7MG306976Mary Auto SalesMckinney, TX 750702,204469-403-4569Check Availability
SaveStock Photo - Actual vehicle may differ2021 GMC Sierra 1500 Denali$45,750Used58,700miles4X4Leather5 seatsEst. ValueHigh PricedEngine6.2L V8 Gasoline 420hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9FEL8MG472140Royal Moore Custom FinanceHillsboro, OR 971231,492503-648-3213Check Availability
Save2021 GMC Sierra 1500 Elevation$39,750Used50,843miles4X46 seatsTows 9,000 lbsEst. ValueHigh PricedEngine5.3L V8 Gasoline 355hpTransmission8-Speed Shiftable AutomaticEst. Fuel Economy (MPG)20Highway14CityVIN1GTR9CED1MZ168256MTH of Saint CloudSaint Cloud, MN 56304322320-230-6064Check Availability
Save2021 GMC Sierra 1500 Denali$35,991Used98,418miles4X4Leather5 seatsEst. ValueFair DealEngine5.3L V8 Gasoline 355hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9FED9MG438717Bob Allen MotormallDanville, KY 40422901888-379-3758Check 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
Save2021 GMC Sierra 1500 SLE$24,999Used105,999miles4X46 seatsTows 9,000 lbsEst. ValueGood DealEngine2.7L I4 Gasoline 310hpTransmission8-Speed Shiftable AutomaticEst. Fuel Economy (MPG)21Highway18CityVIN1GTR9BEK5MZ387889Automotive Financial LLCDetroit, MI 4822825313-451-8584Check Availability
Save2021 GMC Sierra 1500 SLT$36,789Used48,634miles4X4Leather6 seatsTows 9,200 lbsEst. ValueFair DealEngine5.3L V8 Gasoline 355hpTransmission8-Speed Shiftable AutomaticEst. Fuel Economy (MPG)20Highway14CityVIN3GTU9DED4MG289248Interstate MotorcarFargo, ND 5810329800-451-8840Check Availability
Save2021 GMC Sierra 1500 AT4$40,789Used56,470miles4X4Leather5 seatsTows 9,200 lbsEst. ValueFair DealEngine3L I6 Diesel 277hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)26Highway22CityVIN1GTU9EET0MZ178452Interstate MotorcarFargo, ND 5810329800-451-8840Check Availability
Save2021 GMC Sierra 1500 SLT$24,995Used162,424miles4X2Leather6 seatsTows 9,700 lbsEst. ValueFair DealEngine5.3L V8 Gasoline 355hpTransmission8-Speed Shiftable AutomaticEst. Fuel Economy (MPG)22Highway15CityVIN1GTP8DED6MZ225826Elite Auto WholesaleVisalia, CA 9329283559-622-8850Check Availability
SaveStock Photo - Actual vehicle may differ2021 GMC Sierra 1500 SLTPrice UnknownContact seller for priceUsed133,260miles4X4Leather6 seatsEst. Value-Engine5.3L V8 Gasoline 355hpTransmissionAutomaticEst. Fuel Economy (MPG)-VIN3GTU9DED7MG142485Calderon Automotive Inc.Asheboro, NC 2720322336-628-3034Check Availability
Save2021 GMC Sierra 1500 Denali$37,888Used70,896miles4X4Leather5 seatsEst. ValueFair DealEngine3L I6 Diesel 277hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9FETXMG251347Northland Auto CenterWebster, SD 57274145605-345-6272Check Availability
Save2021 GMC Sierra 1500 AT4$42,975Used108,485miles4X4Leather5 seatsEst. ValueHigh PricedEngine3L I6 Diesel 277hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GTU9EETXMZ432670Ray Skillman Southside Auto CenterIndianapolis, IN 46227888317-888-9500Check Availability
Save2021 GMC Sierra 1500 SLE$35,480Used36,657miles4X46 seatsTows 8,900 lbsEst. ValueHigh PricedEngine5.3L V8 Gasoline 355hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9BED9MG358178Jerry's Auto Sales of LennoxLennox, SD 57039478605-647-4000Check Availability
Save2021 GMC Sierra 1500 AT4$36,995Used92,503miles4X4Leather5 seatsEst. ValueFair DealEngine6.2L V8 Gasoline 420hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GTP9EEL8MZ183587Jerry's Auto Sales of LennoxLennox, SD 57039478605-647-4000Check Availability
Save2021 GMC Sierra 1500 AT4$36,386Used101,454miles4X4Leather5 seatsEst. ValueFair DealEngine3L I6 Diesel 277hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GTU9EET6MZ230229Chillicothe Truck and AccessoriesChillicothe, OH 45601182740-773-8782Check Availability
SaveStock Photo - Actual vehicle may differ2021 GMC Sierra 1500 SLE$31,977Used63,100miles4X46 seatsTows 9,000 lbsEst. ValueFair DealEngine5.3L V8 Gasoline 355hpTransmission8-Speed Shiftable AutomaticEst. Fuel Economy (MPG)20Highway14CityVIN1GTR9BED8MZ345394K C SUMMERS BUICK TOYOTA GMC HYUNDAI NISSAN MAZDAMattoon, IL 61938381217-234-8863Check Availability
Save2021 GMC Sierra 1500 Denali$36,684Used114,000miles4X4Leather5 seatsTows 9,200 lbsEst. ValueFair DealEngine6.2L V8 Gasoline 420hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)20Highway15CityVIN1GTU9FEL3MZ202555Unlimited Auto SalesSalt Lake City, UT 8411593801-485-2584Check Availability
Save2021 GMC Sierra 1500 Denali$33,877Used154,819miles4X4Leather5 seatsTows 9,200 lbsEst. ValueFair DealEngine6.2L V8 Gasoline 420hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)20Highway15CityVIN3GTU9FEL2MG383535Used Cars ForSaleKernersville, NC 2728464850-308-5689Check Availability
Save2021 GMC Sierra 1500 AT4$34,900Used107,595miles4X4Leather5 seatsTows 9,200 lbsEst. ValueFair DealEngine3L I6 Diesel 277hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)26Highway22CityVIN1GTU9EET5MZ235406Cruisin' Auto SalesMadison, IN 4725081812-273-2665Check Availability
SaveStock Photo - Actual vehicle may differ2021 GMC Sierra 1500 SLT$34,995Used99,453miles4X4Leather6 seatsEst. ValueFair DealEngine3L I6 Diesel 277hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN3GTU9DETXMG335401Hardy Auto ResalesDallas, GA 30132405770-445-1225Check Availability