REAL DEALER INVENTORY · ONE PREMIUM MARKETPLACE
Sell My Car
← All vehicles
Frontier Ford · Anacortes, WA

2021 GMC Sierra 1500 AT4

67,000 miles · truck · Price dropped $1,042

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2021
MakeGMC
ModelSierra 1500
TrimAT4
Stock numberT19483
Mileage67,000 miles
BodyPickup
Engine3.0L 6-cyl turbo
Cylinders6
Displacement3.0L
Transmission10-Speed Automatic
Drivetrain4WD
FuelDiesel
MPG22 city / 26 hwy
ExteriorOnyx Black
InteriorJet Black
Seats5

Vehicle description

This 2021 GMC Sierra 1500 AT4 in black delivers premium capability and refined comfort for discerning truck buyers. With 67,000 miles on the odometer, this 4WD diesel crew cab has been well maintained and offers years of reliable performance ahead. The 3.0L turbocharged diesel engine paired with a 10-speed automatic transmission achieves an impressive 22 city and 26 highway MPG, balancing power with efficiency. - Power sunroof - Premium GMC Infotainment System with Apple CarPlay and Android Auto - HD Surround Vision with multiple camera provisions - Heated and ventilated leather front seats with power adjusters - AT4 CarbonPro Edition with composite bed and premium packaging - Adaptive cruise control with lane keep assist and lane departure warning - Wireless charging and 4G LTE Wi-Fi hotspot - ProGrade Trailering System with integrated brake controller and hitch guidance - Remote vehicle starter and keyless entry with push-button start - Spray-on bed liner with LED cargo lighting The AT4 trim brings distinctive styling with unique grille surround, black chrome accents, and signature AT4 badging. Inside, the Jet Black interior with Kalahari accents and perforated leather-appointed seating creates a premium cabin atmosphere. The power sunroof, heated steering wheel, and dual-zone automatic climate control add everyday convenience and luxury. Visit us today to experience this capable and well-equipped Sierra 1500 AT4 firsthand. Our team is ready to discuss financing options and answer any questions about this exceptional truck.

Features & options (250)

  • Adaptive Cruise Control
  • Bluetooth®
  • Heated Steering Wheel
  • Remote Start
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Heated Seats
  • Keyless Entry
  • Leather Seats
  • Wi-Fi Hotspot
  • Auto Dimming Mirror
  • Automatic High Beams
  • Emergency Brake Assist
  • Lane Departure Warning
  • Lane Keep Assist
  • Sunroof/Moonroof
  • Wireless Phone Charging
  • Blind Spot Monitor
  • Forward Collision Warning
  • Navigation System
  • Parking Assistance
  • Rear View Camera
  • Satellite Radio
  • Tow Hitch/Tow Package
  • Alloy Wheels
  • Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
  • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
  • Rear axle, 3.23 ratio
  • Pickup bed
  • Air filter, heavy-duty
  • Hill Descent Control
  • Auto-locking rear differential
  • Transfer case, two-speed, electronic Autotrac with push button control (4WD models only)
  • Suspension, Off-Road with 2" factory installed lift and monotube shocks
  • Four wheel drive
  • Frame, fully-boxed, hydroformed front section
  • Trailer brake controller, integrated
  • Recovery hooks, Red
  • Skid Plates
  • Cargo tie downs (12), fixed, rated at 500 lbs per corner
  • Steering, Electric Power Steering (EPS) assist, rack-and-pinion
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • Capless Fuel Fill
  • Exhaust, dual with premium tips (With (PCP) AT4 CarbonPro Edition the exhaust tips will be black.)
  • Exhaust, aluminized stainless-steel muffler and tailpipe
  • Wheels, 18" x 8.5" (45.7 cm x 21.6 cm) machined aluminum with Dark Grey accents
  • Tires, 265/65R18SL all-terrain, blackwall
  • Tire, spare 265/70R17SL all-season, blackwall
  • Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
  • Wheelhouse liners, rear
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Bumper, front, body-color lower (Front bumper color will be high gloss black.)
  • Bumper, rear body-color with corner steps
  • CornerStep, rear bumper
  • Headlamps, LED reflector (high intensity) with LED turn signals and LED signature Daytime Running Lamps
  • Fog lamps, LED
  • Taillamps, LED signature taillight with LED stop and reverse light
  • Mirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming puddle lamps, side perimeter lighting and memory
  • Mirror caps, high gloss Black (Deleted with (DQS) outside power adjustable vertical trailering mirrors and mirror caps will be chrome.)
  • Glass, deep-tinted
  • Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
  • Tailgate, GMC MultiPro Tailgate with six functional load/access features
  • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
  • Tailgate and bed rail protection caps, top
  • Door handles, body-color
  • SiriusXM Radio
  • Audio system feature, 6-speaker system
  • Bluetooth for phone connectivity to vehicle infotainment system
  • Wireless Phone Projection, for Apple CarPlay and Android Auto
  • Steering wheel audio controls
  • 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Seats, front bucket with center console
  • Seat adjuster, driver 10-way power including lumbar
  • Seat adjuster, passenger 10-way power including lumbar
  • Seating, heated driver and front outboard passenger
  • Driver memory recalls driver "presets" for power driver seat and outside mirrors
  • Seats, ventilated driver and front passenger
  • Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
  • Floor covering, color-keyed carpeting
  • Premium Floor Liners with removable carpet insert, front
  • Premium Floor Liners with removable carpet insert, rear
  • Steering column, manual Tilt-Wheel and telescoping
  • Steering wheel, leather-wrapped
  • Steering wheel, heated
  • Driver Information Center, 4.2" diagonal color display includes driver personalization
  • Compass, located in instrument cluster
  • Exterior Temperature Display, located in radio display
  • Brake lining wear indicator
  • Windows, power front, drivers express up/down
  • Window, power front, passenger express up/down
  • Windows, power rear, express down
  • Door locks, power
  • Keyless Open and Start
  • Remote vehicle starter system
  • Cruise control, steering wheel-mounted
  • Theft-deterrent system, unauthorized entry
  • Steering column, lock control, electrical
  • USB ports, 2 (first row) located on instrument panel
  • USB Ports (Inside Console with bucket seats), 2 also includes 1 SD card reader and auxiliary jack
  • Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • Power outlet, front auxiliary, 12-volt
  • USB ports, dual, charge-only (2nd row)
  • Power outlet, rear auxiliary, 12-volt
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • Air conditioning, dual-zone automatic climate control
  • Air vents, rear
  • Defogger, rear-window electric
  • Mirror, inside rearview auto-dimming
  • Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • Daytime Running Lamps, LED signature lighting
  • OnStar and GMC connected services capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
  • Hitch Guidance
  • HD Rear Vision Camera
  • Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)
  • Rear Seat Reminder
  • AT4 CarbonPro Edition
  • AT4 Preferred Package
  • AT4 Premium Package
  • Cargo Convenience Package
  • Driver Alert Package I
  • Driver Alert Package II
  • Preferred Equipment Group 4SB
  • Technology Package
  • Trailering Package
  • 6 Speakers
  • 6-Speaker Audio System Feature
  • AM/FM radio: SiriusXM with 360L
  • MultiPro Audio System by Kicker
  • Premium audio system: GMC Infotainment System
  • Premium Bose 7-Speaker Sound System
  • Radio data system
  • Radio: Premium GMC Infotainment Sys w/Multi-Touch
  • Radio: Premium GMC Infotainment Sys w/Navigation
  • SiriusXM w/360L
  • Air Conditioning
  • Automatic temperature control
  • Electric Rear-Window Defogger
  • Front dual zone A/C
  • Rear window defroster
  • 12-Volt Rear Auxiliary Power Outlet
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Instrument Panel Power Outlet
  • Driver Memory
  • Memory seat
  • Power driver seat
  • Power Front Passenger Windows w/Express Up/Down
  • Power Front Windows w/Driver Express Up/Down
  • Power Rear Windows w/Express Down
  • Power steering
  • Power windows
  • Remote keyless entry
  • Steering wheel mounted audio controls
  • Universal Home Remote
  • Electrical Lock Control Steering Column
  • Manual Tilt-Wheel & Telescoping Steering Column
  • Off-Road Suspension
  • Speed-sensing steering
  • Traction control
  • 4-Wheel Disc Brakes
  • ABS brakes
  • Dual front impact airbags
  • Dual front side impact airbags
  • Front anti-roll bar
  • Front wheel independent suspension
  • Keyless Open & Start
  • Low tire pressure warning
  • Occupant sensing airbag
  • Overhead airbag
  • Power Door Locks
  • Power Sunroof
  • Brake assist
  • Electronic Stability Control
  • Delay-off headlights
  • Front fog lights
  • Fully automatic headlights
  • Perimeter Lighting
  • Panic alarm
  • Security system
  • Speed control
  • 170 Amp Alternator
  • 220 Amp Alternator
  • Auxiliary External Transmission Oil Cooler
  • Engine Block Heater
  • Heavy-Duty Air Filter
  • AT4 Carbon Hard Badge
  • AT4 High Clearance Step (LPO)
  • Auto-dimming door mirrors
  • Black Dual Exhaust Tips
  • Body-Color Surround Grille
  • Bumpers: body-color
  • CarbonPro (Carbon Fiber Composite) Bed
  • Chrome Mirror Caps
  • Front License Plate Kit
  • Heated door mirrors
  • IntelliBeam Automatic High Beam On/Off
  • LED Cargo Area Lighting
  • Power door mirrors
  • ProGrade Trailering System
  • Pwr-Adjustable Vertical Trailering Outside Mirrors
  • Rear step bumper
  • Rear Wheelhouse Liners
  • Spray-On Pickup Bed Liner w/AT4 Logo
  • Unique Grille Surround w/Black Chrome Finish
  • 2 USB Ports
  • 2 USB Ports (1st Row)
  • 4.2" Diagonal Color Display Driver Info Center
  • 4G LTE Wi-Fi Hotspot Capable
  • 8" Driver Information Center
  • Apple CarPlay/Android Auto
  • Auto-dimming Rear-View mirror
  • Automatic Emergency Braking
  • Bed View Camera
  • Color-Keyed Carpeting Floor Covering
  • Compass
  • Console-Mounted Safe (LPO)
  • Driver door bin
  • Driver vanity mirror
  • Floor-Mounted Center Console
  • Following Distance Indicator
  • Forward Collision Alert
  • Front Pedestrian Braking
  • Front Prem Floor Liners w/Removable Carpet Insert
  • Front reading lights
  • GMC Connected Access Capable
  • HD Surround Vision w/2 Trailer View Camera Provisions
  • Illuminated entry
  • Lane Change Alert w/Side Blind Zone Alert
  • Lane Keep Assist w/Lane Departure Warning
  • Multicolor 15" Diagonal Head-Up Display
  • OnStar & GMC Connected Services Capable
  • Outside temperature display
  • Overhead console
  • Passenger vanity mirror
  • Rear Camera Mirror
  • Rear Cross Traffic Alert
  • Rear Dual USB Charging-Only Ports
  • Rear Prem Floor Liners w/Removable Carpet Insert
  • Rear reading lights
  • Rear seat center armrest
  • Rear Underseat Storage (LPO)
  • Safety Alert Seat
  • Tachometer
  • Telescoping steering wheel
  • Tilt steering wheel
  • Trip computer
  • Ultrasonic Front & Rear Park Assist
  • Voltmeter

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.

AutosXchange Intel

Vehicle price analysis

Live listings · within 100 miles of Anacortes, Washington
Asking price$39,949Dealer asking price · 67,000 mi
Market value$35,574Market value · based on 4 comparable cars
vs. market High price+12.3%High price · based on 4 comparable cars

Where this price sits

Among the highest-priced · 0% of 4 similar listings ask more than this car.

$33,900lowest$39,949highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+12.3%
−25%Market value+25%
High price$4,375 above the market value of $35,574

Price range

$39,949
$33,900$39,949
5th lowest price of 5 similar listings within 100 milesTick marks the market value · range of 4 similar listings

AutosXchange Insights

  • Compared with 4 used 2020–2022 GMC Sierra 1500 AT4 listings within 100 mi.
  • Priced $4,375 above the market value of 4 comparable cars — compare options, condition and history.
  • 5th lowest price of 5 similar listings within 100 miles.
  • Has about 13,000 fewer miles than similar listings.
  • About 11,167 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # T19483 — mention it when you call or text.

How we calculate market value: comparable cars for sale now plus their last listed prices.

Price history

Price tracked by AutosXchange since Nov 9, 2026. 1 price change at this dealership: $40,991 → $39,949 (−$1,042).

$39.5k$40.0k$40.5k$41.0k$41.5kNov 9Nov 10Nov 11Nov 12−$1,042 Nov 11

AutosXchange Intel Hub: Price changes for this model in Washington · This model in the Intel Hub · Market movers in Washington

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 12); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.

Cars this price is compared to

Same 2020–2022 Sierra 1500 AT4 · used · any miles · within 100 miles of Anacortes, Washington. All 4 comparable cars for sale, nearest first.

More GMC Sierra 1500 near Anacortes

All years and trims. Nearest first.