Crain Automotive Team

Reduced by $122 since Jun 01, 2026

2021 GMC Sierra 1500 AT4



  • $38,129

  • Retail Price $38,000
  • Service & Handling Fee +$129
  • Crain Price $38,129
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Vehicle Information

VIN: 1GTP9EEL6MZ207370
Stock #: 6GT0075A
Model Code: TK10543
  • Body Style Crew Cab
  • Exterior Color Onyx Black
  • Interior Color Jet Black With Kalahari Accents, Perforated Leather Front Seat Trim
  • Mileage 100,507
  • Fuel Economy
    City/Highway 14/19 MPG
  • Engine 8 Cyl - 6.2 L
  • Transmission Automatic
  • Fuel Type Gas

Highlighted Features

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

Dealer Comments

Here is the advertisement for the 2021 GMC Sierra 1500 AT4:

This 2021 GMC Sierra 1500 AT4 is ready to elevate your driving experience. Equipped with an EcoTec3 6.2L V8 engine and 10-speed automatic transmission, this powerful truck delivers impressive performance and capability.

- LPO, ALL-WEATHER FLOOR LINERS, 1ST AND 2ND ROWS (includes AT4 logo)
- SUNROOF, POWER
- TECHNOLOGY PACKAGE
- AT4 PREMIUM PACKAGE
- DRIVER ALERT PACKAGE II
- MULTIPRO AUDIO SYSTEM BY KICKER
- TRAILER TIRE PRESSURE MONITOR SENSORS
- LPO, TRI-FOLD HARD TONNEAU COVER

The Sierra AT4 is built for adventure, with features like an off-road suspension, 4WD, and all-terrain tires to conquer any terrain. The interior is equally impressive, boasting premium Bose audio, wireless charging, and a 15-inch head-up display.

With 420 horsepower and 460 lb-ft of torque, this Sierra AT4 delivers the power you need for towing, hauling, and conquering the great outdoors. The ProGrade Trailering System and Trailer Tire Pressure Monitor Sensors provide added confidence and control when hauling your toys.

Elevate your driving experience in this well-equipped 2021 GMC Sierra 1500 AT4. Schedule a test drive today and discover the ultimate combination of capability, technology, and style.

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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Prices do not include additional fees and costs of closing, including government fees and taxes, any finance charges, or emissions testing fees. The online price does include a $129 Service & Handling fee. All prices, specifications, and availability subject to change without notice. Crain Automotive Team retains all incentives.