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Frontier Chevrolet · Anacortes, WA

2021 GMC Sierra 1500 Base

2021 GMC Sierra 1500

138,454 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2021
MakeGMC
ModelSierra 1500
TrimSLT
Stock numberN0878
Mileage138,454 miles
BodyPickup
Engine5.3L 8-cyl
Cylinders8
Displacement5.3L
TransmissionAutomatic
Drivetrain4WD
FuelGasoline
MPG14 city / 20 hwy
ExteriorBrownstone Metallic
Doors4

Vehicle description

This 2021 GMC Sierra 1500 SLT Crew Cab combines rugged capability with premium comfort in an impressive 4WD package. With its EcoTec3 5.3L V8 engine and 10-speed automatic transmission, this truck delivers the power and control you need for both daily driving and weekend adventures. Finished in brown with dark walnut and slate leather seating, the Sierra presents a commanding presence with thoughtful detailing throughout. • Power sunroof • Spray-on bed liner • X31 Off-Road Package with all-terrain tires • SLT Premium Package • Heated steering wheel and 2nd row outboard seats • Apple CarPlay and Android Auto compatibility • Driver memory seat with power adjustment • Front dual-zone automatic temperature control • OnStar and GMC Connected Services capable • 20-inch polished aluminum wheels This Sierra 1500 is equipped with heated front seats, ventilated driver and passenger seating, and a 10-way power driver seat with lumbar support for maximum comfort on long drives. The integrated trailering system, hitch view camera, and integrated trailer brake controller make towing straightforward and safe. Advanced safety features include dual front impact airbags, electronic stability control, brake assist, and hill descent control. The premium infotainment system with SiriusXM satellite radio and steering wheel audio controls keeps you connected wherever you go. Visit us today to experience the commanding presence and capable performance of this well-equipped Sierra 1500 SLT. Our team is ready to answer all your questions and help you take this truck for a test drive.

Features & options (99)

  • Heated Steering Wheel
  • 4WD/AWD
  • Aux Input
  • Heated Seats
  • Keyless Entry
  • Keyless Ignition System
  • Leather Seats
  • Wi-Fi Hotspot
  • Emergency Brake Assist
  • Rear View Camera
  • Satellite Radio
  • Tow Hitch/Tow Package
  • Entertainment System
  • Cruise Control
  • Rear head restraint control : 2 rear seat head restraints
  • Seating capacity : 5
  • This enhances cab appearance and adds sound and weather insulation.
  • Floor mats protect the vehicle floor covering from dirt and wear and can easily be removed for cleaning.
  • Rear seatback upholstery : Carpet rear seatback upholstery
  • Interior accents : Chrome interior accents
  • Headliner material : Cloth headliner material
  • Rear seats fixed or removable : Fixed rear seats
  • Carpet flooring enhances the interior appearance and provides an added layer of sound insulation.
  • Full coverage flooring enhances the interior appearance and provides an added layer of sound insulation.
  • Headliner coverage : Full headliner coverage
  • Front head restraint control : Manual front seat head restraint control
  • Rear head restraint control : Manual rear seat head restraint control
  • Panel insert : Metal-look instrument panel insert
  • Front seatback upholstery : Plastic front seatback upholstery
  • This feature provides increased comfort for rear seat passengers.
  • A center armrest contributes to a more comfortable driving environment.
  • Door panel insert : Simulated wood and metal-look door panel insert
  • Gearshifter material : Urethane gear shifter material
  • This provides an attractive, finished appearance.
  • Vinyl offers easy maintenance and durability.
  • Exterior 120V AC power outlet : 1 exterior 120V AC power outlet
  • Number of beverage holders : 6 beverage holders
  • Passenger doors rear left : Conventional left rear passenger door
  • Passenger doors rear right : Conventional right rear passenger door
  • Clock : Digital clock
  • This feature helps to keep the driver informed about the status of systems on the vehicle.
  • The addition of a visor mirror increases the functionality of the visor.
  • Beverage holders prevent spills and free the driver's hands, which increases safe operation of the vehicle.
  • Rear seat direction : Front facing rear seat
  • Integrated tailgate step
  • Rear cargo door : MultiPro Tailgate tailgate
  • Oil pressure gauge
  • Oil pressure warning
  • This makes it easier to read in low light conditions.
  • This feature helps to remove frost/ice/snow for increased visibility.
  • Speedometer : Redundant digital speedometer
  • Tachometer
  • A trip odometer is useful for keeping track of distance traveled during a trip or between fill-ups.
  • The variable intermittent setting allows the wipers to be adjusted based on the amount of moisture the vehicle is driving through.
  • Voltmeter
  • Number of doors : 4 doors
  • Fenders : Black fender flares
  • Bumper rub strip front : Black front bumper rub strip
  • Door handle material : Chrome door handles
  • Door mirror style : Chrome door mirrors
  • Bumpers front : Chrome front bumper
  • Grille style : Chrome grille
  • Bumpers rear : Chrome rear bumper
  • Window Trim : Chrome side window trim
  • Vehicle to trailer hitching assist : Hitch Guidance vehicle to trailer hitching assist
  • In-box lighting : LED in-box lighting
  • Special paint : Monotone paint
  • Door mirror type : Standard style side mirrors
  • Emissions tiers : Tier 2 Bin 5 emissions
  • Satellite trial : 3 month satellite trial subscription
  • Speakers number : 6 speakers
  • Primary display size : 8 inch primary display
  • Radio : AM/FM/SiriusXMsatellite
  • Antenna : Fixed audio antenna
  • Seek scan
  • Speakers : Standard grade speakers
  • Valves per cylinder : 2
  • Horsepower : 355 HP @5600 RPM
  • Displacement liters : 5.3 L
  • The alternator maintains the battery charge and supplies electrical power for the ignition system and accessory equipment.
  • Aluminum construction is lightweight, providing weight savings that contribute to better handling and fuel economy.
  • A heavy-duty battery provides increased capacity to accommodate higher service loads, such as cold weather starting.
  • Powertrain type : ICE
  • Rack-and-pinion steering responds quickly to driver input and provides good road feel.
  • Fuel Type : Regular unleaded
  • A monobeam axle provides rigidity and strength. It is used by most trucks and large SUVs because it can support heavy loads.
  • Seatbelt pretensioners number : 2 seatbelt pre-tensioners
  • This safety feature is more easily visible to following drivers and helps them react quicker to a slowing or stopped vehicle.
  • This headlamp layout provides improved lighting due to the dedicated task assigned to each bulb.
  • The additional chest coverage provides upper body support during a collision.
  • 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 250 miles of Anacortes, Washington
Asking price$26,157Dealer asking price · 138,454 mi
Market value$34,105Market value · based on 4 comparable cars
vs. market Great deal-23.3%Great deal · based on 4 comparable cars

Where this price sits

Among the lowest-priced · 100% of 4 similar listings ask more than this car.

$26,157lowest$34,996highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-23.3%
−25%Market value+25%
Great deal$7,948 below the market value of $34,105

Price range

$26,157
$26,157$34,996
Lowest price of 5 similar listings within 250 milesTick marks the market value · range of 4 similar listings

AutosXchange Insights

  • Compared with 4 used 2020 GMC Sierra 1500 SLT listings within 250 mi.
  • Priced $7,948 below the market value of 4 comparable cars.
  • Lowest price of 5 similar listings within 250 miles.
  • Has about 40,000 more miles than similar listings.
  • About 23,076 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # N0878 — 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. No price change at this dealership since Nov 9 ($26,157).

$25.9k$26.0k$26.1k$26.2k$26.3k$26.4kNov 9Nov 10Nov 11Nov 12

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 Sierra 1500 SLT · used · any miles · within 250 miles of Anacortes, Washington. All 4 comparable cars for sale, nearest first.

More GMC Sierra 1500 near Anacortes

All years and trims. Nearest first.