Save2015 GMC Sierra 3500HD SLT$24,950Used175,715miles4X4Leather6 seatsEst. ValueGreat DealEngine6.6L V8 Diesel 397hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT423E84FF625194S & S MotorsMarietta, GA 3006248678-717-9069Check Availability
SaveStock Photo - Actual vehicle may differ2015 GMC Sierra 3500HD SLT$36,950Used134,066miles4X4Leather6 seatsEst. ValueHigh PricedEngine6.6L V8 Diesel 397hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT423E88FF153341Billy Ballew Motorsports Dawsonville, GADawsonville, GA 30534118706-216-1515Check Availability
Save2015 GMC Sierra 3500HD SLT$19,995Used213,350miles4X4Leather6 seatsTows 13,300 lbsEst. ValueLow PricedEngine6.6L V8 Diesel 397hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT423E82FF152184Keating MotorsSour Lake, TX 7765918409-287-8888Check Availability
Save2015 GMC Sierra 3500HD SLT$44,890Used144,544miles4X4Leather6 seatsTows 13,300 lbsEst. ValueHigh PricedEngine6.6L V8 Diesel 397hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT423C84FF655962Key Automotive GroupStokesdale, NC 2735723336-298-7517Check Availability
Save2015 GMC Sierra 3500HD SLT$36,900Used110,266miles4X4Leather6 seatsEst. ValueFair DealEngine6.6L V8 Diesel 397hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT423C85FF562755Smucker Truck & Auto SalesWarsaw, NY 1456912585-558-4011Check Availability
Save2015 GMC Sierra 3500HD SLT$46,500Used79,784miles4X4Leather6 seatsEst. ValueHigh PricedEngine6.6L V8 Diesel 397hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT423C86FF112922Mountain Top Motor Company INCTroy, MO 63379142636-356-1020Check Availability
Save2015 GMC Sierra 3500HD SLT$22,999Used210,214miles4X4Leather6 seatsEst. ValueGreat DealEngine6.6L V8 Diesel 397hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT423C80FF618813Regency Motors IncDavenport, IA 5280641563-386-3036Check Availability
Save2015 GMC Sierra 3500HD SLT$29,500Used54,000miles4X4Leather6 seatsTows 13,300 lbsEst. ValueGreat DealEngine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT423CG3FF57614482 motorsColumbia Station, OH 4402825440-225-6797Check Availability
Save2015 GMC Sierra 3500HD SLT$34,995Used128,199miles4X4Leather6 seatsEst. ValueFair DealEngine6.6L V8 Diesel 397hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT423C83FF661610The Truck PostSarasota, FL 3424338941-210-4128Check Availability
Save2015 GMC Sierra 3500HD SLT$30,995Used194,307miles4X46 seatsEst. ValueFair DealEngine6.6L V8 Diesel 397hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT423C87FF660590Robert Judd Auto SalesWashington, UT 84780123435-669-5012Check Availability
Save2015 GMC Sierra 3500HD SLT$33,995Used65,509miles4X4Leather6 seatsTows 13,000 lbsEst. ValueFair DealEngine6L V8 Flex Fuel 360hpTransmission6-Speed Shiftable AutomaticEst. Fuel Economy (MPG)-VIN1GT123EG4FF570918The Internet Car Lot - OmahaOmaha, NE 68117326402-991-1112Check Availability