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2021 GMC Sierra 1500 AT4

VIN 1GTU9EET0MZ363844 · Stock #P21483

$38,523
$545/moFinance with $7,705 down, 72 months, 5.9% example APR, tax inPrice details

Est. out the door $40,680

Price includes the dealer's fees. With 5.6% AZ sales tax (est.). Title and registration extra.

#6 of 23 comparable cars around Phoenix. How it compares

Listed for saleGreat dealPrice drop $4,071Listed 42 days ago

Dark Sky Metallic

Diesel

3.0L 6-Cylinder In-Line

Automatic

Truck

56,873 miles

View it on libertygmcaz.com

How it compares

Against the 23 comparable 2021 GMC Sierra 1500 for sale around Phoenix.

$7,163 (15.7%) under marketMarket price $45,686
Great deal: #6 of 23Score 88/100
56,873 milesBelow the 60,000 typical for its age
Price down $4,071It was $42,594 on Oct 5
Ranking: 2021 GMC Sierra 1500, used

See all 23 ranked

Compared with every comparable car Carfinity read on dealer websites in this market. How we rank

Before you decide

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Year20215 others
TrimAT45 others
ColorDark Sky Metallic5 others
DrivetrainNot listed5 others

Specs

Transmission
Automatic
Engine
3.0L 6-Cylinder In-Line
Fuel
Diesel
Body
Truck
Exterior
Dark Sky Metallic

Safety and recalls

2021 GMC Sierra 1500, from the US safety agency NHTSA.

Overall
★★★★☆ to 5 by version
Frontal crash
★★★★☆
Side crash
★★★★★
Rollover
★★★★☆
7 recall campaigns issued for this model year
  • POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY; POWER TRAI 2026-02-12

    General Motors, LLC is recalling certain 2020 Chevrolet Silverado 2500, 3500, GMC Sierra 2500, 3500, and 2020-2022 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles that may have been repaired incorrectly under recall 24V797. The transmission control valve

    Remedy: Dealers will inspect the vehicles and update the transmission control software, free of charge. Owner notification letters were mailed March 6, 2026. Owners may contact GMC customer service at 1-800-4

  • ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL 2025-04-24

    General Motors LLC (GM) is recalling certain 2021-2024 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles equipped with a 6.2L V8 gas engine. The connecting rod and/or crankshaft eng

    Remedy: Dealers will inspect the engine, and as necessary, repair or replace the engine. For vehicles that pass inspection, dealers will add higher viscosity oil, install 6 oil fill cap, replace the oil filte

  • POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY; POWER TRAI 2024-10-24

    General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Silverado 1500, 2500, 3500, GMC Sierra 1500, 2500, 3500, 2021 Cadillac Escalade, Escalade ESV, Chevrolet Tahoe, Suburban, GMC Yukon, and Yukon XL vehicles equipped with diesel engines. The trans

    Remedy: Dealers will install new transmission control module software, free of charge. GM will provide a special coverage program to cover the repair of transmissions that are identified by the remedy softwar

  • TIRES:TEMPORARY/EMERGENCY SPARE TIRE 2021-12-16

    General Motors (GM) is recalling certain 2019-2021 GMC Sierra 1500 and Silverado 1500 vehicles equipped with certain accessory road tires and a 17" spare tire. The 17" spare tire provided with the vehicle is not compatible for use with the accessory wheels, wh

    Remedy: Dealers will provide a new 17" spare tire and wheel assembly that is compatible with the accessory wheels, free of charge. Dealers will also apply a new spare tire information label, and provide owner

  • SEAT BELTS:CRITICAL FASTENERS; SEAT BELTS 2020-12-23

    General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburba

    Remedy: GM will notify owners, and dealers will replace the suspect bolts, free of charge. The recall began January 29, 2021. Owners may contact GMC customer service at 1-800-462-8785, Cadillac customer servi

  • SEAT BELTS:CRITICAL FASTENERS; SEAT BELTS 2020-12-17

    General Motors, LLC (GM) is recalling certain 2019-2021 Chevrolet Silverado 1500 and GMC Sierra 1500, 2021 Chevrolet Suburban and Tahoe and GMC Yukon XL and 2020-2021 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles. The seat belt bracke

    Remedy: GM will notify owners, and dealers will inspect left-side and right-side front-row center seat-belt bracket attachments and reassemble it correctly as necessary, free of charge. The recall began Janua

  • TIRES 2020-11-05

    General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5, GMC Acadia and Chevrolet Traverse vehicles and 2020-2021 Chevrolet Silverado 1500, GMC Sierra 1500 vehicles. The vehicles may have been manufactured with Continental tires that were

    Remedy: GM will notify owners, and dealers will inspect vehicles and replace tires that have DOT number and production mold number combinations identified by Continental, free of charge. The recall began Dece

A campaign covers the model year, not every car.

Is this exact car affected? NHTSA checks it by VIN and shows any recall that has not been repaired.

Check this car's recalls

Before you buy, ask the dealer to confirm in writing that every recall on this VIN is completed. A dealer cannot sell a new car with an open recall.

608 owner complaints filed with NHTSA
Engine
329
Power Train
147
Electrical System
72
Engine And Engine Cooling
49
Involving a crash
6
Involving a fire
6

Counts cover every 2021 Sierra 1500 on the road, so popular models have more.

Price details

Retail Price$37,824
Documentation Fee$699
Liberty Price$38,523
Starting Price$38,523
Est. out the door, with 5.6% AZ sales tax$40,680

Dropped $4,071; last change November 13, 2026. Listed 42 days ago. Title and registration are extra. Tax is an estimate and varies by county.

Price history Down $4,071 since Oct 5

Liberty GMC

8660 W Bell Rd, Peoria, AZ 85382 The store and its cars This car on libertygmcaz.com

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2021 GMC Sierra 1500 Denali30,570 mi · Used · 4WD · White$42,572est. $563/mo$5,536 under market (11.5%)BelowMarket $48,108Above
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2019 GMC Sierra 1500 SLT37,279 mi · Used · Red Quartz Tintcoat$36,616est. $484/mo$5,417 under market (12.9%)BelowMarket $42,033Above
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VIN 1GTU9EET0MZ363844 · Stock P21483. Price is the dealer's advertised price, including the fees shown, and excludes tax, title and registration. Payment estimates are on approved credit. Confirm price and availability with the dealer.

Estimate my payment

$545/mo72 months, 5.9% example APR, $7,705 down
Price with 5.6% AZ sales tax
$40,680
Amount financed
$32,975

Estimate only, on approved credit. Title and registration are extra. Your rate depends on your credit and lender.

Price details

Retail Price$37,824
Documentation Fee$699
Liberty Price$38,523
Starting Price$38,523
Est. out the door, with 5.6% AZ sales tax$40,680

Dropped $4,071; last change November 13, 2026. Listed 42 days ago. Title and registration are extra. Tax is an estimate and varies by county.

Price history

Down $4,071 since Oct 5

Advertised at $38,523 today. Listed 42 days ago.

Oct 5$42,594Now$38,523Oct 5Oct 25Nov 13
November 13, 2026
-$637 $38,523
November 6, 2026
-$1,356 $39,160
November 1, 2026
+$85 $40,516
October 31, 2026
-$243 $40,431
October 24, 2026
-$127 $40,674
October 15, 2026
-$1,290 $40,801
October 7, 2026
-$503 $42,091
October 5, 2026
$42,594

The dealer's advertised price, each time it changed.