Save2018 GMC Sierra 2500HD Base$22,990Used130,364miles4X46 seatsEst. ValueHigh PricedEngine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12REG3JF288796Full On Pro Auto SalesCoeur D Alene, ID 83814118208-773-7898Check Availability
SaveStock Photo - Actual vehicle may differ2018 GMC Sierra 2500HD SLE$19,995Used189,738miles4X46 seatsEst. ValueLow PricedEngine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT22SEG3JZ329521Marion Tennant Preowned AutosParkersburg, WV 2610116304-428-0080Check Availability
Save2018 GMC Sierra 2500HD SLT$23,495Used164,706miles4X4Leather6 seatsEst. ValueGood DealEngine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT22TEG3JZ309629Always MotorsSpring, TX 7737396346-544-2555Check Availability
SaveStock Photo - Actual vehicle may differ2018 GMC Sierra 2500HD DenaliPrice UnknownContact seller for priceUsed117,532miles4X4Leather5 seatsTows 13,000 lbsEst. Value-Engine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12UEY4JF149353Aurora Auto OutletAurora, NE 688189402-694-4236Check Availability
Save2018 GMC Sierra 2500HD Denali$43,990Used94,412miles4X4Leather5 seatsTows 13,000 lbsEst. ValueFair DealEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12UEY2JF109496Bruns & Sons AutoPlover, WI 5446779715-544-6333Check Availability
SaveStock Photo - Actual vehicle may differ2018 GMC Sierra 2500HD Denali$28,594Used203,853miles4X4Leather5 seatsTows 13,000 lbsEst. ValueGreat DealEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12UEYXJF155254Stephen Wade Auto CenterSaint George, UT 84770779435-244-2738Check Availability
Save2018 GMC Sierra 2500HD SLEPrice UnknownContact seller for priceUsed105,780miles4X46 seatsEst. Value-Engine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT22SEG2JZ150290Chillicothe Truck and AccessoriesChillicothe, OH 45601195740-773-8782Check Availability
Save2018 GMC Sierra 2500HD Base$17,495Used261,182miles4X43 seatsTows 14,500 lbsEst. ValueGreat DealEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT02REY8JZ101538Super Sport Motors LLCCarson City, NV 8970133775-883-5959Check Availability
Save2018 GMC Sierra 2500HD SLE$35,750Used89,514miles4X46 seatsEst. ValueHigh PricedEngine-Transmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12SEY2JF131681Monster MotorsMichigan Center, MI 49254256800-401-6170Check Availability
Save2018 GMC Sierra 2500HD Denali$42,500Used157,849miles4X4Leather5 seatsTows 13,000 lbsEst. ValueFair DealEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12UEYXJF286667XPS MotorsportsFort Wayne, IN 4681819260-468-0078Check Availability
Save2018 GMC Sierra 2500HD SLTPrice UnknownContact seller for priceUsed88,329miles4X4Leather6 seatsEst. Value-Engine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12TEY4JF257871Joe Bowman ChevroletHarrisonburg, VA 22801172540-434-6731Check Availability
Save2018 GMC Sierra 2500HD Denali$39,575Used174,550miles4X4Leather5 seatsTows 13,000 lbsEst. ValueFair DealEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12UEY7JF140453Premier Auto ConnectionMcalester, OK 7450112918-423-3900Check Availability
Save2018 GMC Sierra 2500HD SLT$22,900Used205,100miles4X4Leather6 seatsTows 13,000 lbsEst. ValueLow PricedEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12TEY9JF254092Hillcrest MotorsDerry, NH 030388603-339-8100Check Availability
SaveStock Photo - Actual vehicle may differ2018 GMC Sierra 2500HD Base$37,999Used7,119miles4X43 seatsTows 14,500 lbsEst. ValueHigh PricedEngine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT02REG8JZ310270University Auto SalesLewiston, ID 8350195208-892-2277Check Availability
SaveStock Photo - Actual vehicle may differ2018 GMC Sierra 2500HD Base$28,999Used100,655miles4X43 seatsTows 14,500 lbsEst. ValueHigh PricedEngine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT02REG3JZ104161University Auto SalesLewiston, ID 8350195208-892-2277Check Availability
Save2018 GMC Sierra 2500HD DenaliPrice UnknownContact seller for priceUsed80,259miles4X4Leather5 seatsTows 13,000 lbsEst. Value-Engine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12UEY5JF196259Joe Bowman ChevroletHarrisonburg, VA 22801172540-434-6731Check Availability
Save2018 GMC Sierra 2500HD SLE$36,901Used89,652miles4X46 seatsEst. ValueHigh PricedEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12SEYXJF113025Camelback ToyotaPhoenix, AZ 850141,139602-892-9801Check Availability
Save2018 GMC Sierra 2500HD Base$26,900Used64,414miles4X46 seatsEst. ValueHigh PricedEngine6L V8Transmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12REG9JF250053Mill Street MotorsWorcester, MA 0160223508-799-2622Check Availability
Save2018 GMC Sierra 2500HD Base$14,995Used179,128miles4X46 seatsEst. ValueGood DealEngine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12REG3JF193381Main Street AutoAlbert Lea, MN 5600778507-668-4070Check Availability
SaveStock Photo - Actual vehicle may differ2018 GMC Sierra 2500HD SLT$21,900Used194,860miles4X4Leather6 seatsTows 13,000 lbsEst. ValueGood DealEngine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12TEG7JF144312United AutoSouth Sioux City, NE 68776146402-494-2000Check Availability
Save2018 GMC Sierra 2500HD Base$14,750Used231,000miles4X46 seatsTows 13,000 lbsEst. ValueFair DealEngine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT22REG6JZ119052Culpepper Auto SalesCullman, AL 3505520256-734-9400Check Availability
Save2018 GMC Sierra 2500HD SLE$33,777Used70,259miles4X46 seatsEst. ValueHigh PricedEngine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT22SEG4JZ138271EZCredit Auto Sales of BillingsBillings, MT 59102201406-800-1321Check Availability
Save2018 GMC Sierra 2500HD Denali$37,995Used110,997miles4X4Leather5 seatsTows 13,000 lbsEst. ValueFair DealEngine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12UEG6JF275382Topham AutomotiveMiddleboro, MA 0234610508-947-2022Check Availability
Save2018 GMC Sierra 2500HD Denali$58,998Used35,747miles4X4Leather5 seatsTows 13,000 lbsEst. ValueHigh PricedEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12UEY0JF202548Platinum ChevroletSanta Rosa, CA 95407252707-515-0120Check Availability