Diamond Chevrolet of Banning

Reduced by $2,400 since Sep 30, 2026

2021 GMC Sierra 1500 AT4



  • $39,086 Total Price:

  • Vehicle Price: $38,914
    • $85
    • $50
    • $37
  • Total Price: $39,086

Visit our Store

Vehicle Information

VIN: 3GTP9EELXMG312302
Stock #: 2L312302
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 61,405
  • 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

CLEARANCE

This 2021 GMC Sierra 1500 AT4 Crew Cab delivers serious capability wrapped in black exterior elegance. With 61,365 miles, it's been well-maintained and ready for years of dependable service. The jet black leather interior with Kalahari accents creates a premium atmosphere, while the EcoTec3 6.2L V8 backed by a 10-Speed Automatic transmission provides the power and performance you expect from a premium truck.

- Power Sunroof
- Technology Package with Premium GMC Infotainment System
- Driver Alert Package II
- MultiPro Audio System by Kicker
- HD Surround Vision with Trailer View Cameras
- Heated and Ventilated Front Seats with 10-Way Power Adjustment
- Adaptive Cruise Control with Lane Keep Assist
- AT4 Off-Road Suspension with Hill Descent Control
- Rear Underseat Storage with Composite Storage Bin
- Spray-On Pickup Bed Liner with AT4 Logo

This well-equipped AT4 combines luxury features with genuine off-road capability. The 4WD system and professional-grade trailering technology make this truck equally at home on the job site or weekend adventures. Contact us today to schedule a test drive and experience this premium truck firsthand.

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
Vehicles You Might Like

2025 Chevrolet Silverado 1500 LT

Price Drop
VIN: 1GCPACED8SZ128459
Stock: 1A128459
Model: CC10543
  • $30,238 MSRP


2023 Chevrolet Silverado 1500 LT

VIN: 1GCPDDEK4PZ199774
Stock: 1P199774
Model: CK10543
  • $30,694 MSRP


2020 GMC Sierra 1500 AT4

Price Drop
VIN: 1GTU9EET0LZ357184
Stock: B393734A
Model: TK10743
  • $31,475 MSRP


2021 GMC Sierra 1500 AT4

VIN: 3GTU9EET9MG284432
Stock: DTB458521A
Model: TK10543
  • $31,988 MSRP


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.