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
Save2022 GMC Sierra 3500HD Denali$70,995Used7,501miles4X4Leather5 seatsTows 16,300 lbsEst. ValueFair DealEngine6.6L V8 Bio Diesel 445hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY3NF256436Ageless Autos IncZeeland, MI 4946466616-772-4691Check Availability
Save2023 GMC Sierra 3500HD SLE$46,995Used49,880miles4X46 seatsTows 14,500 lbsEst. ValueFair DealEngine6.6L V8 Bio Diesel 445hpTransmissionAutomatic 10-SpeedEst. Fuel Economy (MPG)-VIN1GT49TEY6PF2236431st Quality MotorsGallup, NM 8730178505-387-8100Check Availability
Save2025 GMC Sierra 3500HD Denali$72,990Used68,457miles4X4Leather5 seatsTows 17,500 lbsEst. ValueHigh PricedEngine6.6L V8 Bio Diesel 470hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT4UWEY4SF142956Harris Brown County MotorsGreen Bay, WI 5430132920-268-7061Check Availability
Save2012 GMC Sierra 3500HD SLT$23,900Used171,172miles4X4Leather5 seatsTows 8,700 lbsEst. Value-Engine6.6L V8 Diesel 397hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT424C8XCF101732Greenbrier Auto SalesGreenbrier, AR 7205830501-581-1547Check Availability
Save2007 GMC Sierra 3500HD SLE1$15,999Used227,638miles4 Wheel6 seatsTows 9,100 lbsEst. Value-Engine6.6L V8 Diesel 365hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GTJK33677F561447Affordable Auto Brokers of KellerKeller, TX 762447817-805-7332Check Availability
SaveStock Photo - Actual vehicle may differ2021 GMC Sierra 3500HD AT4$32,835Used180,343miles4X4Leather5 seatsTows 14,500 lbsEst. ValueGood DealEngine6.6L V8TransmissionautomaticEst. Fuel Economy (MPG)-VIN1GT49VEY3MF235708Lockwood Motors IncMarshall, MN 56258317507-537-1526Check Availability
Save2022 GMC Sierra 3500HD Denali$59,999Used56,821miles4X4Leather5 seatsEst. ValueFair DealEngine6.6L V8 Bio Diesel 445hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49WEY5NF126383Arizona Signature MotorsportsMesa, AZ 85204104480-561-5555Check Availability
Save2024 GMC Sierra 3500HD AT4Price UnknownContact seller for priceUsed62,770miles4X4Leather5 seatsTows 16,000 lbsEst. Value-Engine6.6L V8Transmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49VEY4RF336313Transwest Trucks St. MichaelSaint Michael, MN 5537685612-616-2017Check Availability
Save2026 GMC Sierra 3500HD Denali Ultimate$104,977New4X4Leather5 seatsTows 20,000 lbsEst. Value-Engine6.6L V8 Bio Diesel 470hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT4UYEY2TF335104Parks Motor Sales Inc. Buick GMCColumbia, TN 38401444615-987-0300Check Availability
Save2026 GMC Sierra 3500HD Denali Ultimate$104,977New4X4Leather5 seatsTows 20,000 lbsEst. Value-Engine6.6L V8 Bio Diesel 470hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT4UYEY2TF335104Parks Motor Sales Inc. Buick GMCColumbia, TN 38401428931-398-5090Check Availability
Save2026 GMC Sierra 3500HD Denali$90,893New4X4Leather5 seatsEst. Value-Engine6.6L V8 Bio Diesel 470hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT4UWEY8TF334947Leachman Buick GMCBowling Green, KY 42104326270-781-2277Check Availability
Save2026 GMC Sierra 3500HD Denali$91,378New4X4Leather5 seatsEst. Value-Engine6.6L V8 Bio Diesel 470hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT4UWEY2TF335124Leachman Buick GMCBowling Green, KY 42104326270-781-2277Check Availability
Save2026 GMC Sierra 3500HD AT4Price UnknownContact seller for priceNew4X4Leather5 seatsTows 16,000 lbsEst. Value-Engine6.6L V8Transmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT4UVE75TF335006Keweenaw Chevrolet GMCHoughton, MI 49931333906-337-2412Check Availability
SaveStock Photo - Actual vehicle may differ2023 GMC Sierra 3500HD Pro$46,512Used74,311miles4X46 seatsEst. ValueFair DealEngine6.6L V8 Bio Diesel 445hpTransmissionAutomaticEst. Fuel Economy (MPG)-VIN1GT49SEYXPF170665Pundmann Motor CompanySaint Charles, MO 63301152636-946-6611Check Availability
SaveStock Photo - Actual vehicle may differ2021 GMC Sierra 3500HD AT4$56,988Used78,167miles4X4Leather5 seatsTows 14,500 lbsEst. ValueHigh PricedEngine6.6L V8 Bio Diesel 445hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49VEY2MF184332Dow Lewis Motors, Inc.Yuba City, CA 9599372530-674-2000Check Availability
SaveStock Photo - Actual vehicle may differ2024 GMC Sierra 3500HD Denali UltimatePrice UnknownContact seller for priceUsed53,089miles4X4Leather5 seatsTows 20,000 lbsEst. Value-Engine6.6L V8 Bio Diesel 470hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49YEYXRF339606Colonial Ford of PlymouthPlymouth, MA 02360613508-746-3400Check Availability
Save2026 GMC Sierra 3500HD Denali Ultimate$101,805New1miles4X4Leather5 seatsTows 20,000 lbsEst. Value-Engine6.6L V8 Bio Diesel 470hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT4UYEY7TF321330Kendall at the Idaho Center Auto MallNampa, ID 836871,456208-467-7000Check Availability
Save2026 GMC Sierra 3500HD Denali Ultimate$102,300New1miles4X4Leather5 seatsTows 20,000 lbsEst. Value-Engine6.6L V8 Bio Diesel 470hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT4UYEY9TF321233Kendall at the Idaho Center Auto MallNampa, ID 836871,456208-467-7000Check Availability
Save2026 GMC Sierra 3500HD Denali Ultimate$102,300New1miles4X4Leather5 seatsTows 20,000 lbsEst. Value-Engine6.6L V8 Bio Diesel 470hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT4UYEY9TF321412Kendall at the Idaho Center Auto MallNampa, ID 836871,456208-467-7000Check Availability
Save2026 GMC Sierra 3500HD DenaliPrice UnknownContact seller for priceNew4X4Leather5 seatsTows 17,500 lbsEst. Value-Engine6.6L V8 Bio Diesel 470hpTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT4UWEY1TF111956Capitaland MotorsSchenectady, NY 1230275518-894-9999Check Availability
Save2021 GMC Sierra 3500HD SLE$43,991Used36,806miles4X46 seatsEst. ValueGood DealEngine6.6L V8 GasolineTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT49TE73MF276514Coad Isuzu TrucksCape Girardeau, MO 63703142573-335-5581Check Availability
Save2026 GMC Sierra 3500HD Denali$74,570New2miles4X4Leather5 seatsEst. Value-Engine6.6L V8 GasolineTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT4UWE7XTF334004Miller Auto PlazaSaint Cloud, MN 56301665320-251-8900Check Availability
Save2026 GMC Sierra 3500HD Denali$74,120New2miles4X4Leather5 seatsEst. Value-Engine6.6L V8 GasolineTransmission10-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT4UWE73TF334104Miller Auto PlazaSaint Cloud, MN 56301665320-251-8900Check Availability