Legacy GMC · Slidell, LA

2021 GMC Sierra 1500 SLT

83,545 miles · truck

1 / 30 photos

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2021

MakeGMC

ModelSierra 1500

TrimSLT

VIN3GTU9DED3MG371648

Stock number26G2300A

Mileage83,545 miles

BodyPickup

Engine5.3L 8-cyl

Cylinders8

Displacement5.3L

TransmissionAutomatic

Drivetrain4WD

FuelGasoline

MPG14 city / 20 hwy

ExteriorSummit White

Vehicle description

Thank you for your interest in one of Legacy Buick GMC's online offerings. Please continue for more information regarding this 2021 GMC Sierra 1500 SLT with 83,544mi. Pull up in the vehicle and the valet will want to parked on the front row. This GMC Sierra 1500 SLT is the vehicle others dream to own. Don't miss your chance to make it your new ride. 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. This is the one. Just what you've been looking for. Driven by many, but adored by more, the GMC Sierra 1500 SLT is a perfect addition to any home.

Features & options (17)

Bluetooth®
4WD/AWD
Android Auto
Apple CarPlay
Aux Input
Heated Seats
Leather Seats
Cruise Control
DriveType: Four Wheel Drive
City: 14 MPG
Hwy: 20 MPG
Combined: 16 MPG
Fuel System: Direct Injection
Fuel Tank Capacity: 24 gal
Fuel Type: Gasoline Fuel
Horse Power: 355
Rear Wheel: Single

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 Slidell, Louisiana

Asking price$33,974Dealer asking price · 83,545 mi

Market value$35,988Market value · based on 7 comparable cars

vs. market-5.6%Not rated · prices vary widely

Where this price sits

Among the lowest-priced · 86% of 7 similar listings ask more than this car.

Market value $35,988

This car$33,974

$27,935lowest$53,688highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

Not rated · comparable prices vary too widely$2,014 below the market value of $35,988

Price range

$27,935$53,688

2nd lowest price of 8 similar listings within 100 milesTick marks the market value · range of 7 similar listings

AutosXchange Insights

Compared with 7 used 2021 GMC Sierra 1500 SLT listings within 100 mi.
Priced $2,014 below the market value of 7 comparable cars.
2nd lowest price of 8 similar listings within 100 miles.
Has about 12,000 more miles than similar listings.
About 13,924 miles per year of age (U.S. average is roughly 12,000–14,000).
Stock # 26G2300A — 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 ($33,974).0 price changes at this dealership: $33,974 → $33,974.

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 11); 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 SLT · used · any miles · within 100 miles of Slidell, Louisiana. All 7 comparable cars for sale, nearest first.

29 photosCARFAX