Legacy GMC · Slidell, LA

2021 GMC Sierra 1500 SLT

78,217 miles · truck

1 / 29 photos

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2021

MakeGMC

ModelSierra 1500

TrimSLT

VIN3GTU9DEL0MG119931

Stock number229333DTA

Mileage78,217 miles

BodyPickup

Engine6.2L V8

Cylinders8

Displacement6.2L

TransmissionAutomatic

Drivetrain4WD

FuelGasoline

MPG14 city / 20 hwy

ExteriorSatin Steel Metallic

Towing9200

Vehicle description

Legacy Buick GMC has a wide selection of exceptional pre-owned vehicles to choose from, including this 2021 GMC Sierra 1500. This GMC Sierra 1500 SLT's level of quality is not meant for just anyone. It's meant for the person who strives for a classy, comfortable, and luxurious car. This 4WD-equipped vehicle will handle beautifully on any terrain and in any weather condition your may find yourself in. The benefits of driving a 4 wheel drive vehicle, such as this GMC Sierra 1500 SLT, include superior traction and stability. You can finally stop searching... You've found the one you've been looking for. Just what you've been looking for. With quality in mind, this vehicle is the perfect addition to take home.

Features & options (250)

Adaptive Cruise Control
Bluetooth®
Heated Steering Wheel
Remote Start
4WD/AWD
Android Auto
Apple CarPlay
Leather Seats
Wi-Fi Hotspot
Auto Dimming Mirror
Automatic High Beams
Emergency Brake Assist
Lane Departure Warning
Lane Keep Assist
Wireless Phone Charging
Blind Spot Monitor
Forward Collision Warning
Navigation System
Parking Assistance
Rear View Camera
Tow Hitch/Tow Package
Turbo Charged Engine
Premium Sound System
Steering-wheel mounted controls
May require additional optional equipment
HD Radio
4G LTE Wi-Fi hotspot capable
Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones
Can use Apple CarPlay and Android Auto wirelessly
Place and receive hands-free phone calls
SiriusXM Radio
8" diagonal Premium GMC Infotainment System with Navigation
HD Radio capability
Bluetooth®streaming audio for music and select phones
Apple CarPlay capability for compatible phones
Android Auto capability for compatible phones
Voice-activated technology for phone
With greater memory
Tailgate with EZ Lift assist, power lock & release
Hitch area lighting
GMC MultiPro Tailgate
Deep-tinted glass
Provides added protection from sun and glare
17" full-size spare steel wheel with Black finish
Grille (Chrome surround with high gloss Black mesh and Chrome inserts.)
Spare tire carrier lock
Helps keep spare tire secure
Utilizes the same key as the door and ignition
Heated, power, driver-side auto-dimming, power-folding outside mirrors
Puddle lamps
Perimeter lighting
Memory setting
LED signature tail lamps
C-shaped LED taillamps with LED stop and reverse light
Brighter and lasts longer than traditional incandescent bulbs
Chrome mirror caps
Rear wheelhouse liners
Chrome rear bumper
With integrated CornerSteps
Cargo bed LED lighting
Provides light to find cargo in the bed
Rear pillar lamps
LED fog lamps
Help minimize glare in adverse driving conditions
Cab-mounted cargo area lamps
With switch in switch bank left of the steering wheel
Illuminates the cargo bed area
Chrome front bumper
LED reflector (high intensity) headlamps with LED turn signals and LED signature Daytime Running Lamps
Full chrome surround window moldings
CornerStep rear bumper
Located at each end of the rear bumper
Textured step pads to help provide secure footing
Tailgate and bed rail protection caps
Chrome door handles
Spray-on bedliner
Includes logo
20" polished aluminum wheels
17" 255/80R17SL all-season, blackwall spare tire
6" chrome rectangular full length assist steps
Textured step pads help provide secure footing
Extends from wheel well to wheel well
Power sliding rear window with rear defogger
20" 275/60R20 all-season, blackwall tires
Power sunroof
Retracts into the roof
Offers tilt and slide features with express-open and -close
Satin Steel Metallic
IntelliBeam
4.2" diagonal color Driver Information Center
12-volt auxiliary rear power outlet
120-volt power outlet
3-prong auxiliary household-style outlet
Located on the instrument panel
USB ports
Second row includes 2 USB charging-only ports
Inside rearview auto-dimming mirror
Rear window defogger
Steering column lock control
Power windows
Front passenger with express-up/down
Manual tilt and telescoping steering column
Provides extra comfort when entering or exiting the vehicle
Brake pad wear indicator
Up-level rear seat with storage package
Full-length bench seat
Seatback storage on left and right side
Center fold out armrest with 2 cupholders
Underseat storage (full cab width)
Carpeted floor covering
Color-keyed to match the interior
Assist handles
Front A-pillar mounted for Driver and Passenger
Rear B-pillar mounted
Driver with express-up/down
Compass, located in instrument cluster
10-way power driver seat with power lumbar
Moves the seat forward and back, and up and down
Tilt the seat cushion and seatbacks
Power door locks
Programmable
10-way power front passenger seat
Forward and back
Up and down
Tilt seat cushion back and upright
Recline seatback up and down
Includes 2-way power lumbar
Theft-deterrent unauthorized entry system
Helps deter unauthorized entry, helping to protect your vehicle
Dual-zone automatic climate control
Allows individual climate settings for both driver and front passenger
Power windows with rear express-down
Driver memory
120-volt box-mounted power outlet
Located in the pickup bed
Outside temperature display
Located in infotainment display
Rear air vents
Provides cabin comfort for rear occupants
Heated driver and front outboard passenger seats
Individually controlled
In-vehicle Trailering App
Checklist
Trailer light sequencing
Trailer maintenance reminders
Trailer security alerts
Trailer mileage
Tow/haul reminder
Trailer electrical diagnostics
Leather-wrapped steering wheel
GMC Connected Access capable
12-volt auxiliary front power outlet
Front center console
All-weather floor liners
Include Brand logo
Provides coverage for first and second-row seating
Replaces factory floor mats
Front bucket seats
Universal Home Remote
3-channel programmable
Ventilated driver and front passenger seats
Cooling feature includes both seatbacks and cushions
Dark Walnut/Slate, Perforated leather-appointed front outboard seat trim
Wireless Charging
Uses induction technology for portable electronic devices
Convenient charging location at the front of the center console
Device may require optional case for phones that are compatible
Pickup bed
Roll-formed high-strength steel
Electric Power Steering
Electric, rack-mounted with variable assist
Steering assist is greater during low-speed maneuvers, such as parking
Aluminized stainless-steel muffler and tailpipe
Capless fuel fill
Fully boxed frame
Hydroformed front section
High-strength steel
Black vertical recovery hooks
Two front frame-mounted
4-wheel antilock disc brakes
Integrated trailer brake controller
Integrated with the antilock brake system (ABS)
Cargo tie-downs
12-fixed rated at 500 lbs. per corner
Four wheel drive
Automatic locking rear differential
2-speed Autotrac Transfer Case
2WD HI mode
Vehicle operates in 2-wheel drive
Suitable for routine driving on all road surfaces
4WD Auto mode
4WD HI mode
4WD LO mode
Neutral
Dual-outlet exhaust
Integrated into rear bumper
Premium exhaust outlets
Aluminized stainless-steel muffler and tailpipes
Emissions, Federal requirements
7,300 lbs. GVWR
220-amp alternator
3.42 rear axle ratio
ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
Trailering Package
Trailer Hitch
Trailering hitch platform
Includes a 2" receiver hitch, 4-pin and 7-pin connectors
Hitch Guidance
SLT Preferred Equipment Group includes standard equipment
Max Trailering Package
Increased towing and GCWR
Handling/Trailering Suspension Package
Enhanced cooling radiator
Revised shock tuning
Heavier duty rear springs and increased RGAWR
9.76" rear axle
3.42 axle ratio
Trailer brake controller
SLT Convenience Package
Bucket seats
Center console
Heated and ventilated front seats
Rear power sliding window
2 USB ports with auxiliary input
Driver Alert Package II
Lane Keep Assist with Lane Departure Warning
Automatic Emergency Braking
Front Pedestrian Braking
Forward Collision Alert
Following Distance Indicator
Adaptive Cruise Control - Camera
Safety Alert Seat
Driver Alert Package I
Lane Change Alert with Side Blind Zone Alert
Rear Cross Traffic Alert
Front and Rear Park Assist
Texas Edition SLT Premium Plus Package
SLT Preferred Package
8" diagonal Premium GMC Infotainment with Navigation
Bose Premium Sound System with Richbass woofer
6" Chrome tubular rectangular assist steps
Spray-on bedliner with GMC Logo
Texas Edition badging
LED Daytime Running Lamps
Daytime Running Lamps automatically illuminate signature lighting
Rear Seat Reminder
Tire Pressure Monitoring System
Includes Tire Fill Alert
6 airbags
Dual-stage frontal airbags for driver and front outboard passenger

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 50 miles of Slidell, Louisiana

Asking price$33,995Dealer asking price · 78,217 mi

Market value$34,732Market value · based on 8 comparable cars

vs. market Fair price-2.1%Fair price · based on 8 comparable cars

Where this price sits

In the typical middle range · 50% of 8 similar listings ask more than this car.

Market value $34,732

This car$33,995

$25,472lowest$53,688highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

Fair price$737 below the market value of $34,732

Price range

$25,472$53,688

4th lowest price of 9 similar listings within 50 milesTick marks the market value · range of 8 similar listings

AutosXchange Insights

Compared with 8 used 2020–2022 GMC Sierra 1500 SLT listings within 50 mi.
Priced $737 below the market value of 8 comparable cars.
4th lowest price of 9 similar listings within 50 miles.
Has about 25,000 fewer miles than similar listings.
About 13,036 miles per year of age (U.S. average is roughly 12,000–14,000).
Stock # 229333DTA — 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 6, 2026. No price change at this dealership since Nov 6 ($33,995).

Market activity: Legacy GMC cut prices on 10 2026 GMC Sierra 1500 by an average of $1,500

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 2020–2022 Sierra 1500 SLT · used · any miles · within 50 miles of Slidell, Louisiana. All 8 comparable cars for sale, nearest first.

2021 GMC Sierra 1500 SLT for sale at Legacy GMC in Slidell, LA

Fair price

30 photosCARFAX