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Castle Kia McHenry · McHenry, IL

2021 GMC Sierra 1500 SLT

73,177 miles · truck · Price dropped $504

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2021
MakeGMC
ModelSierra 1500
TrimSLT
VIN
Stock numberMS260360B
Mileage73,177 miles
BodyPickup
Engine5.3L 8-cyl
Cylinders8
Displacement5.3L
Transmission8-Speed Automatic
Drivetrain4WD
FuelGasoline
MPG14 city / 20 hwy
ExteriorDark Sky Metallic
InteriorJet Black
Doors4

Vehicle description

This 2021 GMC Sierra 1500 SLT Crew Cab combines capability with premium comfort in a versatile short-box design. Finished in distinctive blue with jet black leather seating, this 4WD truck is equipped with a powerful EcoTec3 5.3L V8 engine paired with an 8-speed automatic transmission. At 73,177 miles, it represents excellent value for a well-maintained work and weekend vehicle. - Power sunroof with automatic operation - Heated and ventilated front seats with memory function - ProGrade Trailering System with hitch guidance and in-vehicle app - 20-inch polished aluminum wheels with all-terrain tires - X31 Off-Road Package with hill descent control and upgraded suspension - Spray-on bed liner with GMC logo - Premium Bose 7-speaker sound system with SiriusXM and navigation - Adaptive cruise control with forward collision alert and automatic emergency braking - LED lighting throughout with IntelliBeam automatic high-beam control - Chrome assist steps and dual exhaust with premium tips This Sierra SLT brings together off-road capability and on-road refinement. The X31 package delivers genuine trail readiness with an off-road suspension and automatic locking rear differential, while the premium leather interior, heated seats, and available power sunroof ensure daily driving comfort. Modern safety features including lane keep assist, rear cross traffic alert, and the ProGrade Trailering System make this truck both secure and exceptionally functional. Come experience the blend of power, luxury, and practicality that defines this exceptional Sierra.

Features & options (210)

  • 1-touch down
  • 1-touch up
  • Air conditioning
  • Auto-dimming rearview mirror
  • Automatic temperature control
  • Driver door bin
  • Driver vanity mirror
  • Front beverage holders
  • Front dual zone A/C
  • Heated steering wheel
  • Illuminated entry
  • Memory seat
  • Overhead console
  • Passenger door bin
  • Passenger vanity mirror
  • Power windows
  • Proximity key
  • Rear beverage holders
  • Rear door bins
  • Remote engine start
  • Remote keyless entry
  • Speed control
  • Telescoping steering wheel
  • Tilt steering wheel
  • Alloy wheels
  • Front anti-roll bar
  • Front wheel independent suspension
  • Power steering
  • Speed-sensing steering
  • 1st row LCD monitors
  • Primary LCD size
  • Radio data system
  • Smart device integration
  • Steering wheel mounted audio controls
  • Wireless phone connectivity
  • Heated front seats
  • Leather upholstery
  • Power 2-way driver lumbar support
  • Power 2-way passenger lumbar support
  • Power driver seat
  • Power passenger seat
  • Rear seat center armrest
  • Rear seats
  • Rear seats Folding position
  • Seat Upholstery
  • Split folding rear seat
  • Drive type
  • Engine location
  • Fuel economy city
  • Fuel economy combined
  • Fuel economy highway
  • Fuel tank capacity
  • Hybrid traction battery type
  • Manual-shift auto
  • Mode select transmission
  • Rear locking differential
  • Standard fuel economy fuel type
  • Variable valve control
  • Ground clearance (min)
  • Auto-dimming door mirrors
  • Bumpers
  • Door mirrors
  • Heated door mirrors
  • Left rear passenger door
  • Power door mirrors
  • Rear cargo
  • Rear step bumper
  • Right rear passenger
  • Trailer hitch receiver
  • Trailer sway control
  • Exterior body width
  • Exterior height
  • Exterior length
  • Front headroom
  • Front hiproom
  • Front legroom
  • Front shoulder room
  • Rear headroom
  • Rear hiproom
  • Rear legroom
  • Rear shoulder room
  • Wheelbase
  • Appearance
  • Compass
  • Delay-off headlights
  • Front fog lights
  • Front reading lights
  • Fully automatic headlights
  • Low tire pressure warning
  • Oil pressure gauge
  • Outside temperature display
  • Rear reading lights
  • Rear window defroster
  • Tachometer
  • Trip computer
  • Variably intermittent wipers
  • Voltmeter
  • 4 wheel disc brakes
  • ABS brakes
  • Brake assist
  • Dual front impact airbags
  • Dual front side impact airbags
  • Electronic stability
  • Ignition disable
  • Occupant sensing airbag
  • Overhead airbag
  • Panic alarm
  • Perimeter/approach lights
  • Security system
  • Traction control
  • SLT Convenience Package
  • SLT Preferred Package
  • Driver Alert Package I
  • Driver Alert Package II
  • Chrome Wheel To Wheel Assist Steps
  • Spray-On Pickup Bed Liner w/GMC Logo
  • Front Bucket Seats
  • Floor-Mounted Center Console
  • Ventilated Driver & Front Passenger Seats
  • Power Sliding Rear Window w/Rear Defogger
  • Universal Home Remote
  • Heated 2nd Row Outboard Seats
  • 2 USB Ports
  • Forward Collision Alert
  • Lane Keep Assist w/Lane Departure Warning
  • Automatic Emergency Braking
  • Front Pedestrian Braking
  • IntelliBeam Automatic High Beam On/Off
  • Adaptive Cruise Control
  • Following Distance Indicator
  • Safety Alert Seat
  • Radio: Premium GMC Infotainment Sys w/Navigation
  • Premium Bose 7-Speaker Sound System
  • Wireless Charging
  • Lane Change Alert w/Side Blind Zone Alert
  • Rear Cross Traffic Alert
  • Perimeter Lighting
  • X31 Off-Road Package
  • Off-Road Suspension
  • Hill Descent Control
  • Heavy-Duty Air Filter
  • X31 Hard Badge
  • Dual Exhaust w/Premium Tips
  • SiriusXM w/360L
  • 120-Volt Instrument Panel Power Outlet
  • 120-Volt Bed Mounted Power Outlet
  • Radio: Premium GMC Infotainment Sys w/Multi-Touch
  • 6-Speaker Audio System Feature
  • Front 40/20/40 Split-Bench Seat
  • 10-Way Power Driver Seat Adjuster w/Lumbar
  • 10-Way Power Passenger Seat Adjuster w/Lumbar
  • Driver Memory
  • Preferred Equipment Group 4SA
  • Electric Rear-Window Defogger
  • Power Door Locks
  • Keyless Open & Start
  • Color-Keyed Carpeting Floor Covering
  • OnStar & GMC Connected Services Capable
  • 4G LTE Wi-Fi Hotspot Capable
  • GMC Connected Access Capable
  • 12-Volt Rear Auxiliary Power Outlet
  • Rear Dual USB Charging-Only Ports
  • Heated Driver & Front Outboard Passenger Seating
  • Steering Wheel Audio Controls
  • Manual Tilt-Wheel & Telescoping Steering Column
  • Electrical Lock Control Steering Column
  • Power Front Windows w/Driver Express Up/Down
  • Power Front Passenger Windows w/Express Up/Down
  • Power Rear Windows w/Express Down
  • Deep-Tinted Glass
  • Chrome Grille
  • LED Cargo Area Lighting
  • Front Frame-Mounted Black Recovery Hooks
  • Wheels: 18" x 8.5" 6-Spoke Machined Aluminum
  • Rear Wheelhouse Liners
  • Trailering Package
  • ProGrade Trailering System
  • 170 Amp Alternator
  • Auxiliary External Transmission Oil Cooler
  • Auto-Locking Rear Differential
  • Integrated Trailer Brake Controller
  • Hitch Guidance
  • Hitch Guidance w/Hitch View
  • In-Vehicle Trailering App
  • 6 Speakers
  • AM/FM radio: SiriusXM with 360L
  • Premium audio system: GMC Infotainment System
  • Heavy Duty Suspension
  • Power Sunroof
  • Electronic Stability Control
  • Theft Deterrent System (Unauthorized Entry)
  • Bumpers: chrome
  • Front License Plate Kit
  • 2 USB Ports (1st Row)
  • Apple CarPlay/Android Auto
  • Auto-dimming Rear-View mirror
  • Power UltraView Double-Sized Sunroof
  • Perf Leather-Appointed Front Outboard Seat Trim
  • Front Center Armrest w/Storage
  • 20" x 9" Polished Aluminum Wheels
  • Wheel Locks (Set of 4) (LPO)
  • 3.23 Rear Axle Ratio
  • Proximity key: doors and push button start
  • Remote engine start: keyfob
  • 1st row LCD monitors: 2
  • Primary LCD size: 8.0"
  • Smart device integration: Android Auto/Apple CarPlay
  • Wireless phone connectivity: Bluetooth
  • Air Conditioning
  • 4-Wheel Disc Brakes

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 Mchenry, Illinois
Asking price$34,652Dealer asking price · 73,177 mi
Market value$29,906Market value · based on 5 comparable cars
vs. market High price+15.9%High price · based on 5 comparable cars

Where this price sits

Among the highest-priced · 20% of 5 similar listings ask more than this car.

$26,995lowest$37,212highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+15.9%
−25%Market value+25%
High price$4,746 above the market value of $29,906

Price range

$34,652
$26,995$37,212
5th lowest price of 6 similar listings within 100 milesTick marks the market value · range of 5 similar listings

AutosXchange Insights

  • Compared with 5 used 2020–2022 GMC Sierra 1500 SLT listings within 100 mi.
  • Priced $4,746 above the market value of 5 comparable cars — compare options, condition and history.
  • 5th lowest price of 6 similar listings within 100 miles.
  • Has about 30,000 fewer miles than similar listings.
  • About 12,196 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # MS260360B — 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 7, 2026. 1 price change at this dealership: $35,156 → $34,652 (−$504).

$34.4k$34.6k$34.8k$35.0k$35.2k$35.4kNov 7Nov 9Nov 10Nov 11Nov 12−$504 Nov 10

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

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 100 miles of Mchenry, Illinois. 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

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