Save2018 GMC Sierra 2500HD Base$21,995Used134,451miles4X26 seatsTows 14,300 lbsEst. ValueHigh PricedEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GD11REY6JF267299Pacific Auto CenterFontana, CA 923361,281909-587-5194Check Availability
Save2018 GMC Sierra 2500HD SLE$14,990Used233,564miles4X46 seatsTows 13,000 lbsEst. ValueLow PricedEngine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT22SEG9JZ350602Upstate Auto GalleryWestmoreland, NY 1349024315-381-3349Check Availability
Save2018 GMC Sierra 2500HD Base$26,995Used100,148miles4X46 seatsEst. ValueHigh PricedEngine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT22REG4JZ232532J&M Automotive Sales and Service LLCNaugatuck, CT 06770514203-723-5666Check Availability
Save2018 GMC Sierra 2500HD SLT$35,895Used156,371miles4X46 seatsEst. ValueHigh PricedEngine8 Cylinder EngineTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12TEY7JF206591Truck Ranch LoganLogan, UT 8432120435-535-3691Check Availability
Save2018 GMC Sierra 2500HD Denali$29,995Used155,612miles4X4Leather5 seatsTows 13,000 lbsEst. ValueGood DealEngine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12UEG3JF207914Lightning MotorsportsGrand Prairie, TX 75051116972-237-0053Check Availability
Save2018 GMC Sierra 2500HD SLTPrice UnknownContact seller for priceUsed141,148miles4X46 seatsEst. Value-Engine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12TEY6JF2xxxxxElite Auto AuctionsAustin, TX 787019,487708-722-5287Check Availability
Save2018 GMC Sierra 2500HD Denali$46,990Used93,519miles4X4Leather5 seatsTows 13,000 lbsEst. ValueHigh PricedEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12UEY6JF172763Action Motor SalesGaylord, MI 49735105989-732-2555Check Availability
Save2018 GMC Sierra 2500HD SLEPrice UnknownContact seller for priceUsed438,826miles4X46 seatsEst. Value-Engine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12SEG3JF178970Eaton Chevrolet GMCHouston, MS 38851126662-456-0000Check Availability
Save2018 GMC Sierra 2500HD Denali$57,990Used58,964miles4X4Leather5 seatsTows 13,000 lbsEst. ValueHigh PricedEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12UEY2JF224230Million MotorsAdel, IA 5000340515-724-8742Check Availability
SaveStock Photo - Actual vehicle may differ2018 GMC Sierra 2500HD SLTPrice UnknownContact seller for priceUsed94,645miles4X4Leather6 seatsEst. Value-Engine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12TEY5JF203639US 30 Auto SalesNew Lenox, IL 6045154815-462-4250Check Availability
Save2018 GMC Sierra 2500HD SLT$39,990Used101,491miles4X46 seatsEst. ValueFair DealEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12TEY5JF129977Million MotorsAdel, IA 5000340515-724-8742Check Availability
Save2018 GMC Sierra 2500HD SLT$41,360Used107,868miles4X4Leather6 seatsEst. ValueHigh PricedEngine6.6L Diesel/B20 CapableTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT22TEY3JZ184091Action Motor SalesGaylord, MI 49735105989-732-2555Check Availability
Save2018 GMC Sierra 2500HD BasePrice UnknownContact seller for priceUsed4X46 seatsEst. Value-Engine6.0L V8Transmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12REG4JF247450Truck DepotNorth Hills, CA 91343197818-895-1377Check Availability
SaveStock Photo - Actual vehicle may differ2018 GMC Sierra 2500HD SLT$53,577Used107,883miles4X46 seatsEst. ValueHigh PricedEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12TEY0JF172106The New Carolina Cars.OrgConcord, NC 28027175980-248-1693Check Availability
Save2018 GMC Sierra 2500HD SLT$42,900Used109,955miles4X4Leather6 seatsEst. ValueHigh PricedEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12TEY6JF225813Bleecker Buick GMC INC.Red Springs, NC 28377216866-662-1260Check Availability
Save2018 GMC Sierra 2500HD SLT$38,999Used102,595miles4X4Leather6 seatsTows 13,000 lbsEst. ValueFair DealEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12TEY6JF283081Xpress MotorsLos Banos, CA 9363523209-827-3181Check Availability
Save2018 GMC Sierra 2500HD Denali$45,999Used123,665miles4X4Leather5 seatsTows 13,000 lbsEst. ValueHigh PricedEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12UEY0JF243746CarsRusWinchester, VA 22602118540-508-2862Check Availability
Save2018 GMC Sierra 2500HD SLT$36,750Used143,807miles4X4Leather6 seatsTows 13,000 lbsEst. ValueFair DealEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12TEY9JF184822OVERDRIVE AUTO SALES, LLC.Clarksville, IN 4712954812-725-0156Check Availability
Save2018 GMC Sierra 2500HD SLT$42,699Used115,833miles4X4Leather6 seatsEst. ValueHigh PricedEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12TEYXJF105397Integrity Auto SalesSacramento, CA 958234,683916-392-0800Check Availability
Save2018 GMC Sierra 2500HD SLT$46,994Used67,278miles4X4Leather6 seatsEst. ValueHigh PricedEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12TEY7JF223553Zeke's Automotive GroupSmyrna, TN 37167306615-984-4144Check Availability
Save2018 GMC Sierra 2500HD Base$12,499Used223,837miles4X46 seatsEst. ValueGreat DealEngine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT22REG1JZ281977Maxdale Auto SalesKilleen, TX 7654225254-501-3300Check Availability
SaveVideo AvailableVideo Available2018 GMC Sierra 2500HD SLT$24,999Used157,993miles4X4Leather6 seatsTows 13,000 lbsEst. ValueGreat DealEngine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT22TEG3JZ272680City Center Cars and TrucksRoseburg, OR 9747024541-671-2045Check Availability
Save2018 GMC Sierra 2500HD SLT$33,805Used147,354miles4X4Leather6 seatsEst. ValueFair DealEngine6.6L V8 Bio Diesel 445hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12TEY5JF173316Dillon's Auto SuperstoreLincoln, NE 68504244402-477-0404Check Availability
Save2018 GMC Sierra 2500HD SLE$33,900Used88,725miles4X46 seatsTows 13,000 lbsEst. ValueFair DealEngine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT12SEG1JF235117Northern Car BrokersBelle Fourche, SD 5771739605-641-3307Check Availability