Reduced by $1,000 since May 21, 2026

2021 GMC Sierra 1500 AT4



  • $34,998 SUTHERLAND PRICE

  • +$795

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Vehicle Information

VIN: 3GTP9EEL6MG260456
Stock #: P60456
Model Code: TK10543
  • Condition Used
  • Body Style Crew Cab
  • Exterior Color Onyx Black
  • Interior Color Jet Black With Kalahari Accents, Perforated Leather Front Seat Trim
  • Mileage 106,753
  • Fuel Economy
    City/Highway 14/19 MPG
  • Engine Engine: 6.2L, EcoTec3 V-8, DI, Dynamic Fuel Mgt, V V T
  • Transmission Automatic
  • Fuel Type Gasoline Fuel

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.

Dealer Comments

Elevate your driving experience with this exceptional 2021 GMC Sierra 1500 AT4. Meticulously maintained and boasting a CARFAX one-owner history, this powerful truck is ready to take on any adventure.

- **CARFAX ONE OWNER**
- TECHNOLOGY PACKAGE
- DRIVER ALERT PACKAGE II
- AT4 VALUE PACKAGE

Outfitted with an impressive array of premium features, this Sierra 1500 AT4 is designed to deliver uncompromising capability and comfort. Equipped with a robust 6.2L V8 EcoTec3 engine and 10-speed automatic transmission, it offers exceptional power and efficiency.

The exterior showcases a bold, rugged presence with 20 machined aluminum wheels, carbon gray metallic accents, and a distinctive AT4 styling. Step inside the cabin and you'll be greeted by premium leather-appointed seating, a Bose 7-speaker sound system, and a host of advanced technology features, including a 15 multicolor head-up display, wireless charging, and a 360-degree surround vision camera system.

Safety and convenience are also top priorities, with driver assistance technologies like forward collision alert, lane keep assist, automatic emergency braking, and adaptive cruise control. The ProGrade trailering system and integrated trailer brake controller further enhance the Sierra's versatility, making it the perfect companion for your towing needs.

Whether you're tackling off-road challenges or navigating the daily commute, this 2021 GMC Sierra 1500 AT4 is a true force to be reckoned with. Experience the difference for yourself and schedule a test drive today.

Eligible Benefits

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: Gasoline Fuel
  • Horse Power
    • Horse Power: 420
  • 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.