New 2021 GMCSierra 1500 SLT Truck

  • VIN: 3GTU9DET8MG421628
  • Stock: 21-176
On The Lot
at Mildenberger Motors
Location Details
    Fuel Economy
    14.0/20.0 mpg City/Hwy
    Exterior Color
    Satin Steel Metallic
    Interior Color
    Jet Black, Perforated leather-appointed front outb
    Body/Seating
    Truck/6 seats
    Transmission
    Automatic
    Drivetrain
    4WD
    Engine
    3.0L Duramax Turbo-Diesel I6 engine
    GMC Sierra 1500

    Highlighted Features

    • Leather upholstery
    • Automatic temperature control
    • Premium audio system
    • Wireless phone connectivity
    • Exterior parking camera rear
    • Front dual zone A/C
    • Auto-dimming rearview mirror
    • Split folding rear seat

    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 tires: 265/65SR18.0
    • Front wheel independent suspension
    • Power steering
    • Rear tires: 265/65SR18.0
    • Speed-sensing steering
    • Wheel size: 18"
    • 1st row LCD monitors: 2
    • AM/FM radio: SiriusXM with 360L
    • Premium audio system: Premium GMC Infotainment System
    • Primary LCD size: 8.0"
    • Radio data system
    • Satellite radio trial duration with new vehicle purchase (months): 3
    • Smart device integration: Apple CarPlay/Android Auto
    • Speakers: 6
    • Steering wheel mounted audio controls
    • Wireless phone connectivity: Bluetooth
    • Basic warranty: 36 months/36,000miles
    • Corrosion perforation warranty: 72 months/100,000miles
    • Maintenance warranty: 12 months/ unlimited distance
    • Powertrain warranty: 60 months/60,000miles
    • Roadside assistance coverage: 60 months/60,000miles
    • Front center armrest: w/storage
    • Front seats: bench
    • Heated front seats
    • Leather upholstery
    • Max seating capacity: 6
    • 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
    • Split folding rear seat
    • Compressor: Not Available
    • Cylinder configuration: V-8
    • Drive type: four-wheel
    • Engine liters: 5.3
    • Engine location: front
    • Fuel economy city: 14mpg
    • Fuel economy combined: 16mpg
    • Fuel economy highway: 20mpg
    • Fuel tank capacity: 24.0gal.
    • Horsepower: 355hp @ 5,600RPM
    • Limited slip differential: mechanical
    • Manual-shift auto
    • Mode select transmission
    • Number of valves: 16
    • Rear locking differential
    • Recommended fuel: Regular Unleaded
    • Torque: 383 lb.-ft. @ 4,100RPM
    • Transmission: 8 speed automatic
    • Variable valve control
    • Ground clearance (min): 205mm (8.1")
    • Auto-dimming door mirrors
    • Bumpers: chrome
    • Cargo: tailgate
    • Door mirrors: chrome
    • Heated door mirrors
    • Left rear passenger door: conventional
    • Power door mirrors
    • Rear step bumper
    • Right rear passenger: conventional
    • Trailer hitch receiver
    • Trailer sway control
    • Compression ratio: 11.00 to 1
    • Curb weight: 2,286kg (5,040lbs)
    • Engine bore x stroke: 96.0mm x 92.0mm (3.78" x 3.62")
    • Engine displacement: 5.3 L
    • Engine horsepower: 355hp @ 5,600RPM
    • Engine torque: 383 lb.-ft. @ 4,100RPM
    • Exterior body width: 2,063mm (81.2")
    • Exterior height: 1,918mm (75.5")
    • 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")
    • GVWR: 3,221kg (7,100lbs)
    • Payload: 921kg (2,030lbs)
    • 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")
    • Towing capacity: 4,173kg (9,200lbs)
    • Turning radius: 7.1m (23.1')
    • Wheelbase: 3,744mm (147.4")
    • Appearance: analog
    • Compass
    • Delay-off headlights
    • Exterior parking camera rear: HD Rear Vision Camera w/Hitch View yes
    • 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

    2021 GMC Sierra 1500 SLT Satin Steel Metallic4WD 10-Speed Automatic 3.0L I6 10-Speed Automatic, 4WD, Jet Black Leather, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 12-Volt Rear Auxiliary Power Outlet, 170 Amp Alternator, 2 USB Ports (1st Row), 220 Amp Alternator, 3.23 Rear Axle Ratio, 4G LTE Wi-Fi Hotspot Capable, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Auto-Locking Rear Differential, Automatic temperature control, Auxiliary External Transmission Oil Cooler, Brake assist, Bumpers: chrome, Chrome Grille, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Electronic Stability Control, Engine Block Heater, Floor-Mounted Center Console, Front 40/20/40 Split-Bench Seat, Front anti-roll bar, Front Bucket Seats, Front Center Armrest w/Storage, Front dual zone A/C, Front fog lights, Front Frame-Mounted Black Recovery Hooks, Front License Plate Kit, Front reading lights, Front wheel independent suspension, Fully automatic headlights, GMC Connected Access Capable, Heated 2nd Row Outboard Seats, Heated door mirrors, Heated Driver & Front Outboard Passenger Seating, Heated front seats, Heated steering wheel, Heavy Duty Suspension, Hitch Guidance, Hitch Guidance w/Hitch View, Illuminated entry, Integrated Trailer Brake Controller, In-Vehicle Trailering App, Keyless Open & Start, LED Cargo Area Lighting, Low tire pressure warning, Manual Tilt-Wheel & Telescoping Steering Column, Memory seat, Not Equipped w/Dynamic Fuel Management, Not Equipped w/HD Radio, Occupant sensing airbag, OnStar & GMC Connected Services Capable, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Perf Leather-Appointed Front Outboard Seat Trim, Power Door Locks, Power door mirrors, Power driver seat, Power Front Passenger Windows w/Express Up/Down, Power Front Windows w/Driver Express Up/Down, Power passenger seat, Power Rear Windows w/Express Down, Power Sliding Rear Window w/Rear Defogger, Power steering, Power windows, Preferred Equipment Group 4SA, Premium audio system: Premium GMC Infotainment System, ProGrade Trailering System, Radio data system, Radio: Premium GMC Infotainment Sys w/Multi-Touch, Rear Dual USB Charging-Only Ports, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear Wheelhouse Liners, Rear window defroster, Remote keyless entry, Remote Vehicle Starter System, Security system, SiriusXM w/360L, SLT Convenience Package, Speed control, Speed-sensing steering, Split folding rear seat, Spray-On Pickup Bed Liner w/GMC Logo, Steering Wheel Audio Controls, Steering wheel mounted audio controls, Tachometer, Telescoping steering wheel, Theft Deterrent System (Unauthorized Entry), Tilt steering wheel, Traction control, Trailering Package, Trip computer, Universal Home Remote, Variably intermittent wipers, Ventilated Driver & Front Passenger Seats, Voltmeter, Wheels: 18" x 8.5" 6-Spoke Machined Aluminum, 10-Speed Automatic, 4WD, Jet Black Leather.The Bitterroots most trusted name in transportation for over 50 years!! 22/26 City/Highway MPGCome to www.mildenbergermotors.com To See Our Specials!! Call us at 406-363-4100 For help on this vehicle or with any of our other departments.

    KBB.com Consumer Reviews

    Kelley Blue Book - KBB.com
    Overall3.7Out 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.
    • 2021 GMC Sierra 1500 elev 3.0 diesel blacked out

      By Pat on Sunday, May 30, 2021

      3.0
      Truck looks awesome and drives great, especially compared to the previous generation. I bought the truck brand new. 3 days later after putting 189 miles on it my radiator cracked and started to dump coolant out from the bottom of the engine bay. Then all was great. The diesel got good gas mileage averaging 24 mpgs on a combination of city and highway driving. Fast forward, now at 2700 miles the water pump went bad and needed to be replaced. These are major malfunctions at the beginning of this trucks life and really make me question the reliability and longevity of this vehicle.

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