LA Auto Sales · Monroe, LA

2021 GMC Sierra 1500 AT4

2021 GMC Sierra 1500 AT4 Truck

139,442 miles · truck

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PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2021

MakeGMC

ModelSierra 1500

TrimAT4

VIN1GTP9EED9MZ378882

Stock number378882

Mileage139,442 miles

BodyPickup

Engine5.3L 8-cyl

Cylinders8

Displacement5.3L

Horsepower355

TransmissionAutomatic

Drivetrain4WD

FuelGasoline

ExteriorGray

Interiorleather-trimmed

Vehicle description

2021 GMC Sierra 1500 AT4 available at LA Auto Sales

Features & options (158)

Air filtration
Front air conditioning: automatic climate control
Front air conditioning zones: dual
Rear vents: second row
Airbag deactivation: occupant sensing passenger
Front airbags: dual
Side airbags: front
Side curtain airbags: front, rear
Antenna type: diversity, mast
Auxiliary audio input: Bluetooth, jack, memory card slot, USB
Radio: AM/FM, touch screen display, voice operated
Radio data system
Satellite radio: SiriusXM
Speed sensitive volume control
Total speakers: 6
ABS: 4-wheel
Braking assist
Electronic brakeforce distribution
Front brake type: ventilated disc
Power brakes
Rear brake type: ventilated disc
Armrests: rear center with cupholders, rear folding
Floor mat material: rubber/vinyl
Floor material: carpet
Floor mats: front, rear
Heated steering wheel
Steering wheel trim: leather
Assist handle: front, rear
Capless fuel filler system
Center console: front console with armrest and storage
Cruise control
Cupholders: front, rear
Easy entry: power driver seat
Memorized settings: 2 driver, driver seat, side mirrors
Multi-function remote: panic alarm, proximity entry system, vehicle and key memory
One-touch windows: 4
Power outlet(s): 115V cargo area, 115V front, 12V front, 12V rear, USB front, USB rear
Power steering: electric
Power windows: lockout button
Push-button start
Reading lights: front
Rearview mirror: auto-dimming
Remote engine start/cabin preconditioning
Steering wheel: tilt and telescopic
Steering wheel mounted controls: audio, cruise control, multi-function, phone, voice control
Storage: door pockets, front seatback, under rear seats
Vanity mirrors: dual illuminating
Active grille shutters
Bumper detail: rear integrated corner step
Door handle color: body-color
Exhaust: dual tip
Exhaust tip color: polished aluminum
Fender lip moldings: black
Front bumper color: body-color
Grille color: black, body-color surround
Mirror color: black
Pickup bed light: LED
Pickup bed liner: spray-on
Rear bumper color: body-color
Skid plate(s): front, powertrain
Tailgate: lift assist, multi-function split-folding, power locking, power open, removable, step
Window trim: black
Connected in-car apps: app marketplace integration, Google POIs, Google search
Infotainment: GMC Infotainment System
Infotainment screen size: 8 in.
Smartphone integration: wireless Android Auto, wireless Apple CarPlay
Clock
Compass
Digital odometer
External temperature display
Fuel economy display: MPG, range
Gauge: oil pressure, tachometer
Instrument cluster screen size: 4.2 in.
Multi-function display
Powertrain hour meter
Trip odometer
Warnings and reminders: coolant temperature warning, lamp failure, low battery, low fuel level, low oil pressure, maintenance due
Daytime running lights: LED
Exterior entry lights: approach lamps, puddle lamps
Front fog lights: LED
Headlights: auto delay off, auto on/off, LED, wiper activated
Taillights: LED
Side mirror adjustments: power, power folding, reverse gear tilt
Side mirrors: driver side auto-dimming, heated
4WD selector: electronic hi-lo
4WD type: part time w/ on demand setting
Alternator: 170 amps
Auto start/stop
Battery: heavy duty, maintenance-free
Battery rating: 730 CCA
Battery saver
Drive mode selector
Locking differential: rear
Camera system: rearview
Check rear seat reminder
Child safety door locks
Child seat anchors: LATCH system
Programmable safety key
Rearview monitor: in dash
Emergency locking retractors: front
Front seatbelts: 3-point
Rear seatbelts: 3-point
Seatbelt pretensioners: front
Seatbelt warning sensor: front
Driver seat: heated, ventilated
Driver seat power adjustments: 10, height, lumbar, reclining
Front headrests: 2, adjustable
Front seat type: bucket
Passenger seat: heated, ventilated
Passenger seat power adjustments: 10, height, lumbar, reclining
Rear headrests: 3, foldable
Rear seat: heated
Rear seat folding: folds up
Rear seat type: 60-40 split bench
Upholstery: leather-trimmed
Upholstery accents: perforated
Anti-theft system: alarm, vehicle immobilizer
Power door locks: anti-lockout, auto-locking
Hill holder control
Off-road driving assist: hill descent
Roll stability control
Stability control
Traction control
Trailer stability control
Front shock type: monotube
Front spring type: coil
Front stabilizer bar: diameter 33 mm
Front struts
Front suspension classification: independent
Front suspension type: upper and lower control arms
Rear shock type: monotube
Rear spring type: leaf
Rear suspension classification: solid live axle
Rear suspension type: multi-leaf
Tuned suspension: off-road
Driver assistance app: roadside assistance
Electronic messaging assistance: voice operated, with read function
Hands-free phone call integration: voice operated
Satellite communications: OnStar, voice guided directions
Smart device app compatibility: myGMC with Connected Access
Smart device app function: maintenance status
Wi-Fi: hotspot
Wireless data link: Bluetooth
Pickup bed cargo management: tie-down anchors
Tow hooks: front
Tow/Haul mode
Trailer brake controller
Trailer hitch
Trailer wiring: 4-pin, 7-pin
Spare tire mount location: underbody
Spare tire size: full-size
Spare wheel type: steel
Tire Pressure Monitoring System
Wheels: aluminum alloy with painted accents
Front wipers: variable intermittent
Power windows: safety reverse
Tinted glass
Window defogger: rear

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 250 miles of Monroe, Louisiana

Asking price$36,995Dealer asking price · 139,442 mi

Market value$36,689Market value · based on 21 comparable cars

vs. market Fair price+0.8%Fair price · based on 21 comparable cars

Where this price sits

In the typical middle range · 43% of 21 similar listings ask more than this car.

Market value $36,689

This car$36,995

$27,928lowest$44,220highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

Fair price$306 above the market value of $36,689

Price range

$27,928$44,220

13th lowest price of 22 similar listings within 250 milesTick marks the market value · range of 21 similar listings

AutosXchange Insights

Compared with 21 used 2021 GMC Sierra 1500 AT4 listings within 250 mi.
Priced $306 above the market value of 21 comparable cars — compare options, condition and history.
13th lowest price of 22 similar listings within 250 miles.
Has about 54,000 more miles than similar listings.
About 23,240 miles per year of age (U.S. average is roughly 12,000–14,000).
Stock # 378882 — 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 8, 2026. No price change at this dealership since Nov 8 ($36,995).

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

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 2021 Sierra 1500 AT4 · used · any miles · within 250 miles of Monroe, Louisiana. Showing the 12 nearest of 21 comparable cars for sale, nearest first.

34 photos