Used 2021 GMCSierra 1500 AT4

 
    Exterior Color
    Summit White
    Interior Color
    Jet Black
    Odometer
    103,490 miles
    Body/Seating
    Truck Crew Cab/5 seats
    Fuel Economy
    16/21 MPG City/Hwy
    Transmission
    10-Speed Automatic
    Drivetrain
    4x4
    Engine
    I-6 cyl
    VIN
    1GTU9EETXMZ203440
    Stock Number
    M3959A
    GMC Sierra 1500
    • Show Me the CARFAX Badge

    Highlighted Features

    • Leather upholstery
    • Automatic temperature control
    • Wireless phone connectivity
    • Front dual zone A/C
    • Auto-dimming rearview mirror
    • Split folding rear seat
    • Memory seat
    • Heated front seats
    • Ventilated front seats
    • Perimeter/approach lights
    • Remote keyless entry
    • Heated steering wheel

    Included Packages & Accessories

    • Auto-Locking Rear Differential
    • 18" x 8.5" Machined Aluminum Wheels
    • Perforated Leather-Appointed Front Seat Trim
    • Off-Road Suspension
    • Color-Keyed Carpeting Floor Covering
    • OnStar & GMC Connected Services Capable
    • Spray-On Pickup Bed Liner w/AT4 Logo
    • LED Cargo Area Lighting
    • Heavy-Duty Air Filter
    • Integrated Trailer Brake Controller
    • Electric Rear-Window Defogger
    • Deep-Tinted Glass
    • GMC Connected Access Capable
    • Power Front Passenger Windows w/Express Up/Down
    • Power Rear Windows w/Express Down
    • Keyless Open & Start
    • Power Door Locks
    • Power Front Windows w/Driver Express Up/Down
    • Rear Wheelhouse Liners
    • Remote Vehicle Starter System
    • Floor-Mounted Center Console
    • Body-Color Surround Grille
    • Hill Descent Control
    • Heated Driver & Front Outboard Passenger Seating
    • Auxiliary External Transmission Oil Cooler
    • 12-Volt Rear Auxiliary Power Outlet
    • Ventilated Driver & Front Passenger Seats
    • 2 USB Ports
    • 2 USB Ports (1st Row)
    • Electrical Lock Control Steering Column
    • Manual Tilt-Wheel & Telescoping Steering Column
    • 4.2" Diagonal Color Display Driver Info Center
    • Red Recovery Hooks
    • Steering Wheel Audio Controls
    • Rear Dual USB Charging-Only Ports
    • Theft Deterrent System (Unauthorized Entry)
    • HD Rear Vision Camera
    • 4G LTE Wi-Fi Hotspot Capable
    • 4-Wheel Disc Brakes
    • 6 Speakers
    • Air Conditioning
    • Electronic Stability Control
    • Front Center Armrest
    • Tachometer
    • Voltmeter
    • ABS brakes
    • Alloy wheels
    • Auto-dimming door mirrors
    • Automatic temperature control
    • Brake assist
    • Bumpers: body-color
    • Delay-off headlights
    • Driver door bin
    • Driver vanity mirror
    • Dual front impact airbags
    • Dual front side impact airbags
    • Front anti-roll bar
    • Front dual zone A/C
    • Front fog lights
    • Front reading lights
    • Front wheel independent suspension
    • Fully automatic headlights
    • Heated door mirrors
    • Heated front seats
    • Heated steering wheel
    • Illuminated entry
    • Low tire pressure warning
    • Memory seat
    • Occupant sensing airbag
    • Outside temperature display
    • Overhead airbag
    • Overhead console
    • Panic alarm
    • Passenger door bin
    • Passenger vanity mirror
    • Power door mirrors
    • Power driver seat
    • Power passenger seat
    • Power steering
    • Power windows
    • Radio data system
    • Rear reading lights
    • Rear seat center armrest
    • Rear step bumper
    • Rear window defroster
    • Remote keyless entry
    • Security system
    • Speed control
    • Speed-sensing steering
    • Split folding rear seat
    • Steering wheel mounted audio controls
    • Telescoping steering wheel
    • Tilt steering wheel
    • Traction control
    • Trip computer
    • Variably intermittent wipers
    • Ventilated front seats
    • Auto-dimming Rear-View mirror
    • Compass
    • Premium audio system: GMC Infotainment System
    • AM/FM radio: SiriusXM with 360L
    • Apple CarPlay/Android Auto
    • 10-Way Power Driver Seat Adjuster w/Lumbar
    • Radio: Premium GMC Infotainment Sys w/Multi-Touch
    • Front Prem Floor Liners w/Removable Carpet Insert
    • 120-Volt Instrument Panel Power Outlet
    • Trailering Package
    • SiriusXM w/360L
    • Driver Memory
    • 10-Way Power Passenger Seat Adjuster w/Lumbar
    • Rear Prem Floor Liners w/Removable Carpet Insert
    • Hitch Guidance
    • 120-Volt Bed Mounted Power Outlet
    • ProGrade Trailering System
    • Hitch Guidance w/Hitch View
    • In-Vehicle Trailering App
    • 6-Speaker Audio System Feature
    • Front Bucket Seats

    Detailed Specifications

    • 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: doors and push button start
    • Rear beverage holders
    • Rear door bins
    • Remote engine start: keyfob
    • 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
    • Tires: all-terrain
    • 1st row LCD monitors: 2
    • Primary LCD size: 8.0"
    • Radio data system
    • Smart device integration: Apple CarPlay/Android Auto
    • Steering wheel mounted audio controls
    • Wireless phone connectivity: Bluetooth
    • Front center armrest
    • Front seats: bucket
    • Heated front seats
    • Leather upholstery
    • Max seating capacity: 5
    • Power 2-way driver lumbar support
    • Power 2-way passenger lumbar support
    • Power driver seat
    • Power passenger seat
    • Rear seat center armrest
    • Rear seats: split-bench
    • Rear seats Folding position: fold-up cushion
    • Seat Upholstery: leather
    • Split folding rear seat
    • Ventilated front seats
    • Cylinder deactivation
    • Drive type: four-wheel
    • Engine location: front
    • Fuel economy city: 16mpg
    • Fuel economy combined: 18mpg
    • Fuel economy highway: 21mpg
    • Fuel tank capacity: 24.0gal.
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Rear locking differential
    • Standard fuel economy fuel type: gasoline
    • Transmission: 10 speed automatic
    • Variable valve control
    • Ground clearance (min): 276mm (10.9")
    • Auto-dimming door mirrors
    • Bedliner
    • Bumpers: body-color
    • Heated door mirrors
    • Left rear passenger door: conventional
    • Power door mirrors
    • Rear cargo: tailgate
    • Rear step bumper
    • Right rear passenger: conventional
    • Skid plates
    • Trailer hitch receiver
    • Trailer sway control
    • Exterior body width: 2,063mm (81.2")
    • Exterior height: 1,990mm (78.3")
    • Exterior length: 5,885mm (231.7")
    • Front headroom: 1,093mm (43.0")
    • Front hiproom: 1,554mm (61.2")
    • Front legroom: 1,131mm (44.5")
    • Front shoulder room: 1,677mm (66.0")
    • Rear headroom: 1,019mm (40.1")
    • Rear hiproom: 1,530mm (60.2")
    • Rear legroom: 1,102mm (43.4")
    • Rear shoulder room: 1,655mm (65.2")
    • Wheelbase: 3,744mm (147.4")
    • Appearance: analog
    • 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

    Dealer Notes

    3.0L I6 AT4 2021 GMC Sierra 1500 Summit White 4WD 10-Speed Automatic KBB Fair Market Range High: $40,358 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather.
    22/26 City/Highway MPG

    All Vehicles under 100,000 miles at 21st Century Auto Sales, comes with a 1 Month / 1000 Mile 50/50 warranty where the seller is responsible for half of parts and labor.

    KBB.com Consumer Reviews

    Kelley Blue Book - KBB.com
    Overall4Out of 5
    • Nice truck

      By froggy on Sunday, December 06, 2020

      3.0
      I purchased this truck brand new and at 3900 miles I started to have a misfire. The warranty put a refurbished rebuilt engine in it. I was not aware that the warranty doesn't put new parts in just refurbished rebuilt parts. I traded in and lost my favorite blue truck. Not a fan of the whole process. Love the truck just not how the warranty went. I would not own another brand or model the 2020 is the nicest riding and looking. Just got a bad motor from the manufacture.
    • Great Truck

      By Mel on Sunday, April 25, 2021

      5.0
      I love it, I get compliments every where I go, and it apparently worth more than I paid for it brand new, a year and a half later. can't ask for much more than that.
    • Well done GM

      By Tony on Thursday, November 26, 2020

      5.0
      This truck has a 10 speed transmission that you can barely feel it shift. Traded in an F150 and test drove a similar equipped Ram. Although the Ram was nice, the styling of the GMC won me over, along with the tailgate! It also pulls my boat way better than the Ford, just smoother all around. The cabin is very quiet and the gas mileage is much better than V8 Ford. The cabin is super quiet and the ride is awesome. Love the adaptive cruise control too. The technology is fine and the screen is plenty big. Remember, you are driving this truck, not going to thr drive in! Most importantly, the controls are simple to use and Bose stereo sounds great! Oh, and I got it cheaper than the similar Ram too!