Reduced by $1,989 since Aug 06, 2026

2021 GMC Sierra 1500 AT4



  • $4,710 SAVINGS
    $35,690 ALPINE PRICE

  • Retail Price $40,400
  • Savings -$5,400
    • +$690
  • Alpine Price $35,690



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Vehicle Information

VIN: 1GTP9EED7MZ450078
Stock #: AMZ450078
Model Code: TK10543
  • Body Style Crew Cab
  • Exterior Color Black
  • Interior Color 4Sb--Leather, Jet Black / Kalahari, Interior Trim
  • Mileage 96,055
  • Fuel Economy
    City/Highway 14/19 MPG
  • Engine Engine: 5.3L, 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.
  • Bluetooth®
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Leather Seats

Dealer Comments

This 2021 GMC Sierra 1500 AT4 delivers the capability and refinement you expect from a premium truck, ready to handle both work and weekend adventures with confidence.- AT4 Preferred Package with off-road suspension and hill descent control- Trailering Package with integrated trailer brake controller and hitch guidance- Premium Bose 7-speaker sound system with premium GMC infotainment and navigation- SiriusXM 360L satellite radio with wireless charging for your devices- EcoTec3 5.3L V8 engine with 10-speed automatic transmission and 4WD capability- Power sliding rear window with rear defogger for added convenience- Heated and ventilated front seats with perforated leather trim- 10-way power driver and passenger seat adjusters with lumbar support- Remote vehicle starter system and keyless open and start- Apple CarPlay and Android Auto integration- 4G LTE Wi-Fi hotspot capability- Auto-dimming rear-view mirror and heated door mirrors- HD rear vision camera with hitch guidance view- Spray-on pickup bed liner with AT4 logo- ProGrade trailering system with red recovery hooksThe Sierra 1500 AT4 combines purposeful design with modern convenience. The EcoTec3 5.3L V8 paired with the 10-speed automatic provides balanced performance, delivering 16 city MPG and 21 highway MPG. The 4WD system and off-road suspension make this truck capable in challenging terrain, while the integrated trailer brake controller and hitch guidance simplify towing operations.Inside, the cabin reflects premium craftsmanship. Perforated leather-appointed front seats feature both heating and ventilation to keep you comfortable in any season. The 10-way power adjusters on both driver and passenger seats include lumbar support. Power windows, power door locks, and the remote vehicle starter system add layers of convenience to your daily drive.Technology enhances every journey. The premium GMC infotainment system with navigation, SiriusXM 360L, and Apple CarPlay and Android Auto connectivity keep you entertained and informed. Wireless charging, the universal home remote, and the 4G LTE Wi-Fi hotspot integrate seamlessly into your lifestyle. The driver information center displays real-time trip data and vehicle diagnostics.Safety and control are engineered throughout. Electronic stability control, traction control, hill descent control, and the auto-locking rear differential provide confidence on any road surface. Four-wheel disc ABS brakes, dual front impact airbags, front and rear side airbags, and an overhead airbag system prioritize occupant protection.Exterior details reflect the AT4's rugged character. Machined aluminum 18-inch wheels, body-color bumpers and surround grille, LED cargo area lighting, and a spray-on pickup bed liner with AT4 logo complete the commanding appearance. Rear wheelhouse liners protect against debris while maintaining that premium finish.This Sierra 1500 AT4 represents a mature investment in capability and comfort. We invite you to experience it firsthand and discover why this truck sets the standard for its class.

Eligible Benefits

All Features

AT4 PREFERRED EQUIPMENT GROUP

  • includes standard equipment

SEATS, FRONT BUCKET

  • with center console (STD)

AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH 8" DIAGONAL COLOR TOUCH-SCREEN, INCLUDES MULTI-TOUCH DISPLAY, AM/FM STEREO

  • Bluetooth® streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones
  • advanced voice recognition
  • in-vehicle apps
  • personalized profiles for infotainment and vehicle settings (Note: (PZ8) Hitch Guidance with hitch view is included with trim. Includes SiriusXM with 360L.) (STD)

ENGINE, 5.3L ECOTEC3 V8

  • (355 hp [265 kW] @ 5600 rpm
  • 383 lb-ft of torque [518 Nm] @ 4100 rpm); featuring available Dynamic Fuel Management that enables the engine to operate in 17 different patterns between 2 and 8 cylinders
  • depending on demand
  • to optimize power delivery and efficiency (STD)

TRANSMISSION, 10-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED

  • with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Most vehicles built on or after 6-7-2021 with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start
  • which removes Automatic Stop/Start and its content.) (STD)

NOT EQUIPPED WITH AUTOMATIC STOP/START, SEE DEALER FOR DETAILS

  • (Most Vehicles built on or after 6-7-2021 with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start
  • which removes Automatic Stop/Start and its content.)

TIRES, 275/60R20SL ALL-TERRAIN, BLACKWALL

  • (Includes (QAQ) spare tire.)

NOT EQUIPPED WITH HEATED SECOND ROW OUTBOARD SEATS, SEE DEALER FOR DETAILS

  • (Certain vehicles built on or after 7-26-2021 will include (RFU) Not Equipped with Heated Second Row Outboard Seats
  • which removes (KA6) Heated Second Row Outboard Seats.)

  • EMISSIONS

  • FEDERAL REQUIREMENTS

    ONYX BLACK

    REAR AXLE

  • 3.23 RATIO

    JET BLACK WITH KALAHARI ACCENTS

  • PERFORATED LEATHER FRONT SEAT TRIM

    WHEELS

  • 20" X 9" (50.8 CM X 22.9 CM) MACHINED ALUMINUM WITH CARBON GREY METALLIC ACCENTS

    TIRE

  • SPARE 255/80R17SL ALL-SEASON
  • BLACKWALL

    LICENSE PLATE KIT

  • FRONT

  • 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: 355
  • Rear Wheel
    • Rear Wheel: Single
  • Trailering Capacity
    • Trailering Capacity: 0
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Prices include all active discounts, incentives and $689.50 dealer handling fee. Prices exclude tax, tag, title, and dealer installed accessories. $2,495 for the Alpine package which includes window tint clear bra, alpine shield, road hazard, paintless dent repair, windshield repair, and nitro fill. Additional discounts and factory rebates may be applied depending on the zip code of where the vehicle will be titled. For the maximum discount, you must purchase from in-stock inventory and finance with Ford Motor credit. Ford Motor Credit rebates, APR, and lease rates can vary based on zip code and individual credit score. While we make every effort to ensure the information listed on our website is correct, there may be instances of errors resulting in vehicle prices, options, and/or features to be listed incorrectly. The dealer is not responsible for any of these errors. Please contact a dealership sales representative for additional details and to verify the accuracy of the information on this website.

Although every reasonable effort has been made to ensure the accuracy of the information contained on this site, absolute accuracy cannot be guaranteed. This site, and all information and materials appearing on it, are presented to the user "as is" without warranty of any kind, either express or implied. All vehicles are subject to prior sale. Price does not include applicable tax, title, and license charges. ‡Vehicles shown at different locations are not currently in our inventory (Not in Stock) but can be made available to you at our location within a reasonable date from the time of your request, not to exceed one week.