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Legacy GMC · Slidell, LA

2021 GMC Sierra 1500 SLT

106,153 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2021
MakeGMC
ModelSierra 1500
TrimSLT
VIN
Stock number26G2645A
Mileage106,153 miles
BodyPickup
Engine5.3L 8-cyl
Cylinders8
Displacement5.3L
TransmissionAutomatic
Drivetrain4x2
FuelGasoline
MPG15 city / 22 hwy
ExteriorSummit White

Vehicle description

Legacy Buick GMC has a wide selection of exceptional pre-owned vehicles to choose from, including this 2021 GMC Sierra 1500. A truly breathtaking example of pure vehicle design achievement...this is the vehicle of your dreams! The look is unmistakably GMC, the smooth contours and cutting-edge technology of this GMC Sierra 1500 SLT will definitely turn heads. You've found the one you've been looking for. Your dream car. The quintessential GMC -- This GMC Sierra 1500 SLT speaks volumes about its owner, about uncompromising individuality, a passion for driving and standards far above the ordinary.

Features & options (24)

  • Adaptive Cruise Control
  • Bluetooth®
  • Android Auto
  • Apple CarPlay
  • Aux Input
  • Heated Seats
  • Leather Seats
  • Automatic High Beams
  • Lane Departure Warning
  • Lane Keep Assist
  • Wireless Phone Charging
  • Blind Spot Monitor
  • Forward Collision Warning
  • Navigation System
  • Parking Assistance
  • DriveType: Rear Wheel Drive
  • City: 15 MPG
  • Hwy: 22 MPG
  • Combined: 17 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 50 miles of Slidell, Louisiana
Asking price$29,888Dealer asking price · 106,153 mi
Market value$35,990Market value · based on 5 comparable cars
vs. market Great deal-17.0%Great deal · based on 5 comparable cars

Where this price sits

Among the lowest-priced · 100% of 5 similar listings ask more than this car.

$29,888lowest$40,423highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-17.0%
−25%Market value+25%
Great deal$6,102 below the market value of $35,990

Price range

$29,888
$29,888$40,423
Lowest price of 6 similar listings within 50 milesTick marks the market value · range of 5 similar listings

AutosXchange Insights

  • Compared with 5 used 2020–2021 GMC Sierra 1500 SLT listings within 50 mi.
  • Priced $6,102 below the market value of 5 comparable cars.
  • Lowest price of 6 similar listings within 50 miles.
  • Has about 62,000 more miles than similar listings.
  • About 17,692 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # 26G2645A — 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 ($29,888).0 price changes at this dealership: $29,888 → $29,888.

$29.6k$29.7k$29.8k$29.9k$30.0k$30.1kNov 6Nov 7Nov 8Nov 9Nov 10Nov 11

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 2020–2021 Sierra 1500 SLT · used · any miles · within 50 miles of Slidell, Louisiana. All 5 comparable cars for sale, nearest first.

AutosXchange Intel uses current dealer-advertised asking prices, not completed sales or appraisals. It compares the same trim and condition (new or used) where at least three are listed nationwide, and adjusts the expected price for mileage; it is not adjusted for options, condition or accident history. Similar listings are searched within 50, 100 and 250 miles of the dealer first, then the dealer's state, then nationwide. The left gauge spans ±25% of the expected price. How AutosXchange price analysis works

More GMC Sierra 1500 near Slidell

All years and trims. Nearest first.

2021 GMC Sierra 1500 SLT vehicle photo2021 GMC Sierra 1500 SLT83,545 miles · Legacy GMC · Slidell, LA · 0 mi away$33,9742021 GMC Sierra 1500 AT4 vehicle photo2021 GMC Sierra 1500 AT490,326 miles · Legacy GMC · Slidell, LA · 0 mi away$33,9882021 GMC Sierra 1500 SLT vehicle photo2021 GMC Sierra 1500 SLT78,217 miles · Legacy GMC · Slidell, LA · 0 mi away$33,9952021 GMC Sierra 1500 SLT vehicle photo2021 GMC Sierra 1500 SLT103,322 miles · Legacy GMC · Slidell, LA · 0 mi away$33,9952021 GMC Sierra 1500 SLT vehicle photo2021 GMC Sierra 1500 SLT69,904 miles · Legacy GMC · Slidell, LA · 0 mi away$35,9882021 GMC Sierra 1500 SLT vehicle photo2021 GMC Sierra 1500 SLT71,828 miles · Legacy GMC · Slidell, LA · 0 mi away$37,8882021 GMC Sierra 1500 SLT vehicle photo2021 GMC Sierra 1500 SLT18,656 miles · Legacy GMC · Slidell, LA · 0 mi away$53,6882022 GMC Sierra 1500 Limited SLT vehicle photo2022 GMC Sierra 1500 Limited SLT97,437 miles · Legacy GMC · Slidell, LA · 0 mi away$32,988