Reduced by $2,337 since Jun 04, 2026

2021 GMC Sierra 1500 AT4



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Vehicle Information

VIN: 1GTU9EET3MZ210407
Stock #: 25959
Model Code: TK10743
  • Condition Used
  • Body Style Crew Cab
  • Exterior Color Summit White
  • Interior Color 4Sb--Leather, Jet Black / Kalahari, Interior Trim
  • Mileage 0
  • Fuel Economy
    City/Highway 14/19 MPG
  • Engine Engine: Duramax 3.0L, Turbo-Diesel, Inline 6 Cylinder
  • Transmission Automatic
  • Fuel Type Diesel Fuel

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.
  • 4WD/AWD

Dealer Comments

*AUTO CHECK 1 Owner!, ONSTAR, XM RADIO, NAVIGATION, HEATED SEATS, Rear Vision Camera, Remote Start, AT4 PREMIUM PACKAGE, TRAILERING PACKAGE, TOW HITCH, AT4 PREFERRED PACKAGE, PREMIUM SOUND SYSTEM, SLIDING REAR WINDOW, UNIVERSAL GARAGE DOOR OPENER. New Price! Summit White 2021 GMC Sierra 1500 AT4 4WD 10-Speed Automatic 3.0L I6

Recent Arrival! 22/26 City/Highway MPG


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All Features

  • DriveType
    • DriveType: Four Wheel Drive
  • Fuel Economy
    • City: 14 MPG
    • Hwy: 19 MPG
    • Combined: 16 MPG
  • Fuel System
    • Fuel System: Direct Injection
  • Fuel Tank Capacity
    • Fuel Tank Capacity: 24 gal
  • Fuel Type
    • Fuel Type: Diesel Fuel
  • Horse Power
    • Horse Power: 277
  • Rear Wheel
    • Rear Wheel: Single
  • Trailering Capacity
    • Trailering Capacity: 0
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May not represent actual vehicle. (Options, colors, trim and body style may vary)

The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.