This 2015 GMC Sierra 3500HD Base Double Cab Long Box 4WD was sold on 2026-01-19, below are similar vehicles that are still available.

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2015 GMC Sierra 3500HD Base Double Cab Long Box 4WD

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  • 2015 GMC Sierra 3500HD Base Double Cab Long Box 4WD
  • 6A
  • Miles : 115161
  • Stock Number : 15GT1

Fuel Efficiency Rating

  • Est. MPG City: 10
  • Est. MPG Hwy: 16

Actual ratings will vary with options, driving conditions, habits and vehicle condition.

Description

2015 GMC Sierra 3500 Double Cab 4WD – Heavy-Duty Power, Reliability, and Versatility Take on the toughest jobs with confidence in this 2015 GMC Sierra 3500 Double Cab 4WD. Powered by a robust 6.0L Vortec V8 engine with flex fuel capability and paired with 4.10 gearing, this truck delivers exceptional strength and efficiency for work or play. With a conventional towing capacity of 13,000 pounds and an impressive 13,900-pound 5th wheel towing capacity, the Sierra 3500 is built to haul heavy loads with ease. Equipped with a G80 locking rear differential for superior traction, daytime running lights, and dusk sensing headlights for enhanced visibility and safety in all conditions, this truck ensures you’re ready for anything. The spacious double cab provides comfort and room for crew and gear, while the 4.5" center screen keeps essential information accessible. Rugged, reliable, and ready to get the job done, this Sierra 3500 offers the capability you demand without sacrificing comfort. It also comes with a 3 month/3,000 mile warranty for peace of mind. Call or text us today to schedule your test drive! Don’t miss your opportunity to own a true workhorse—make this 2015 GMC Sierra 3500 Double Cab 4WD yours today!