New 2026 GMCSierra 1500 AT4

  • Diesel
Located at
Nick Dellen GMC
    Exterior Color
    Coastal Dune
    Interior Color
    Jet Black
    Body/Seating
    Truck Crew Cab/5 seats
    Seats
    5 seats
    Fuel Economy
    22/26 MPG City/Hwy
    Transmission
    10-Speed Automatic
    Drivetrain
    4x4
    Engine
    I-6 cyl
    VIN
    3GTUUEE85TG421519
    Stock Number
    26G249
    GMC Sierra 1500

    Highlighted Features

    • Navigation system
    • Lane departure
    • Leather upholstery
    • Automatic temperature control
    • Emergency communication system
    • Wireless phone connectivity
    • Parking sensors
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera right
    • Exterior parking camera rear
    • Front dual zone A/C

    Included Packages & Accessories

    • Navigation System
    • 7 Speakers
    • AM/FM radio: SiriusXM with 360L
    • Radio data system
    • Air Conditioning
    • Automatic temperature control
    • Front dual zone A/C
    • Rear window defroster
    • Memory seat
    • Power driver seat
    • Power steering
    • Power windows
    • Remote keyless entry
    • Steering wheel mounted audio controls
    • Speed-sensing steering
    • Traction control
    • 4-Wheel Disc Brakes
    • ABS brakes
    • Dual front impact airbags
    • Dual front side impact airbags
    • Emergency communication system: OnStar
    • Front anti-roll bar
    • Front wheel independent suspension
    • Low tire pressure warning
    • Occupant sensing airbag
    • Overhead airbag
    • Brake assist
    • Electronic Stability Control
    • Auto High-beam Headlights
    • Delay-off headlights
    • Front fog lights
    • Fully automatic headlights
    • Panic alarm
    • Security system
    • Theft Deterrent System (unauthorized Entry)
    • Speed control
    • Block heater
    • Engine Block Heater
    • Auto-dimming door mirrors
    • Bumpers: body-color
    • Heated door mirrors
    • IntelliBeam Automatic High Beam on/Off
    • Power door mirrors
    • Rear step bumper
    • All-Weather Floor Liners with AT4 Logo
    • Apple CarPlay/Android Auto
    • Auto-dimming Rear-View mirror
    • Automatic Emergency Braking
    • Buckle to Drive
    • Compass
    • Driver door bin
    • Driver vanity mirror
    • Following Distance Indicator
    • Forward Collision Alert
    • Front Pedestrian Braking
    • Front reading lights
    • Heated steering wheel
    • Illuminated entry
    • Lane Keep Assist with Lane Departure Warning
    • Outside temperature display
    • Overhead console
    • Passenger vanity mirror
    • Rear reading lights
    • Rear seat center armrest
    • Safety Alert Seat
    • Tachometer
    • Telescoping steering wheel
    • Tilt steering wheel
    • Trip computer
    • Voltmeter
    • Front Center Armrest
    • Heated front seats
    • Heated rear seats
    • Perforated Front Leather Seat Trim
    • Power passenger seat
    • Split folding rear seat
    • Ventilated front seats
    • Passenger door bin
    • Alloy wheels
    • Rain sensing wipers
    • Variably intermittent wipers
    • 3.23 Rear Axle Ratio
    • AT4 Preferred Package
    • AT4 Premium Package
    • Preferred Equipment Group 4SB
    • Trailering Package
    • Premium Bose 7-Speaker Sound System
    • Radio: Premium GMC Infotainment Audio System
    • SiriusXM with 360L Trial Subscription
    • Steering Wheel Audio Controls
    • Electric Rear-Window Defogger
    • 120-Volt Bed Mounted Power Outlet
    • 120-Volt Interior Power Outlet
    • Driver Memory
    • Power Front Passenger Windows with Express Up/Down
    • Power Front Windows with Driver Express Up/Down
    • Power Rear Windows with Express Down
    • Push Button Start
    • Remote Vehicle Starter System
    • Universal Home Remote
    • Auto-Locking Rear Differential
    • Off-Road Suspension
    • Power Rake and Telescoping Steering Column
    • Keyless Open and Start
    • Power Door Locks
    • Hill Descent Control
    • Perimeter Lighting
    • 220 Amp Alternator
    • Heavy-Duty Air Filter
    • Black Chrome Grille Insert Bars
    • LED Cargo Area Lighting
    • Off-Road High Clearance Step
    • Rear Wheelhouse Liners
    • Spray-on Pickup Bedliner with GMC Logo
    • 2 Charge/Data USB Ports Inside Center Console
    • 2 Type-C Charge-Only Rear USB Ports
    • 2 USB Ports
    • Color-Keyed Carpeting Floor Covering
    • Floor-Mounted Center Console
    • Front Premium Floor Liners with Removable Carpet Insert
    • HD Surround Vision
    • OnStar Services Capable
    • Rear Cross Traffic Braking
    • Rear Pedestrian Detection
    • Rear Premium Floor Liners with Removable Carpet Insert
    • Trailer Camera Provisions
    • Trailer Side Blind Zone Alert
    • Ultrasonic Front and Rear Park Assist
    • Wi-Fi Hotspot Capable
    • Wireless Apple CarPlay/Wireless Android Auto
    • Wireless Charging
    • 10-Way Power Driver Seat Adjuster with Lumbar
    • 10-Way Power Passenger Seat Adjuster with Lumbar
    • Front Bucket Seats
    • Heated 2nd Row Outboard Seats
    • Heated Driver and Front Outboard Passenger Seating
    • Ventilated Driver and Front Passenger Seats
    • Hitch Guidance
    • Hitch View
    • in-Vehicle Trailering System App
    • Integrated Trailer Brake Controller
    • Red Recovery Hooks
    • Wheels: 20" x 9" Machined Aluminum
    • Deep-Tinted Glass
    • Front Rain-Sensing Wipers
    • Power Sliding Rear Window with Rear Defogger

    Included Packages & Options

    • AT4 Premium Package$1,045
      • AT4 Preferred Package
      • Off-Road High Clearance Step
    • AT4 Preferred Package$350
      • Universal Home Remote
      • Power Sliding Rear Window with Rear Defogger
    Included Options
    • All-Weather Floor Liners with AT4 Logo$295

    Detailed Specifications

    • 1-touch down
    • 1-touch up
    • Adaptive Cruise Control
    • Air conditioning
    • Auto-dimming rearview mirror
    • Automatic temperature control
    • Driver door bin
    • Driver vanity mirror
    • Emergency communication system: OnStar
    • Front beverage holders
    • Front dual zone A/C
    • Heated steering wheel
    • Illuminated entry
    • Memory seat
    • Navigation system
    • 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
    • Remote keyless entry
    • Speed control
    • Surround View Monitor: HD Surround Vision w/Hitch View yes
    • 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: 13.4"
    • Radio data system
    • Smart device integration: Apple CarPlay/Android Auto
    • Speaker type: Bose
    • Speakers: 7
    • Steering wheel mounted audio controls
    • Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
    • Wireless Phone Charger: front
    • Wireless phone connectivity: Bluetooth
    • Basic warranty: 36 months/36,000miles
    • Corrosion perforation warranty: 72 months/100,000miles
    • Diesel engine warranty: 60 months/100,000miles
    • Maintenance warranty: 12 months/ unlimited distance
    • Front center armrest
    • Front seats: bucket
    • Heated front seats
    • Heated rear 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
    • Block heater
    • Drive type: four-wheel
    • Electric motor 1 torque: none
    • Electric motor horsepower: none
    • Engine location: front
    • Fuel economy city: 22mpg
    • Fuel economy combined: 24mpg
    • Fuel economy highway: 26mpg
    • Fuel tank capacity: 24.0gal.
    • Hybrid electric powertrain type: none
    • Hybrid system combined power torque: none
    • Hybrid system net power: none
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Rear locking differential
    • Transmission: 10 speed automatic
    • Variable intake manifold
    • Variable valve control
    • Approach angle: 26 deg
    • Departure angle: 23 deg
    • Ground clearance (min): 282mm (11.1")
    • Ramp breakover angle: 21 deg
    • Auto-dimming door mirrors
    • Bedliner
    • Bumpers: body-color
    • Heated door mirrors
    • Hitch Class: IV
    • Left rear passenger door: conventional
    • Power door mirrors
    • Rear cargo: tailgate
    • Rear step bumper
    • Right rear passenger: conventional
    • Skid plates
    • Tailpipe finisher: chrome
    • Trailer hitch
    • Trailer sway control
    • Exterior body width: 2,063mm (81.2")
    • Exterior height: 1,990mm (78.3")
    • Exterior length: 5,916mm (232.9")
    • Front hiproom: 1,544mm (60.8")
    • Front legroom: 1,131mm (44.5")
    • Front shoulder room: 1,638mm (64.5")
    • Greenhouse Gas Score (GG): 4
    • Rear headroom: 1,019mm (40.1")
    • Rear hiproom: 1,505mm (59.2")
    • Rear legroom: 1,102mm (43.4")
    • Rear shoulder room: 1,626mm (64.0")
    • Turning radius: 7.2m (23.7')
    • Wheelbase: 3,747mm (147.5")
    • Appearance: digital/analog
    • Auto high-beam headlights
    • Blind spot: Trailer Side Blind Zone Alert warning
    • Compass
    • Configurable
    • Delay-off headlights
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera rear: HD Rear Vision Camera w/Hitch View yes
    • Exterior parking camera right
    • Front fog lights
    • Front reading lights
    • Fully automatic headlights
    • Lane departure: Lane Keep Assist with Lane Departure Warning active
    • Low tire pressure warning
    • Oil pressure gauge
    • Outside temperature display
    • Parking sensors: Front and Rear Park Assist front and rear
    • Rain sensing wipers
    • 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
    • Forward collision: Forward Collision Alert with Automatic Braking mitigation
    • Front pedestrian detection: prevention
    • Ignition disable
    • Occupant sensing airbag
    • Overhead airbag
    • Panic alarm
    • Perimeter/approach lights
    • Rear collision: Rear Cross Traffic Braking mitigation
    • Security system
    • Traction control

    Standard Features

    • AT4 Preferred Package
    • Off-Road High Clearance Step
    • Universal Home Remote
    • Power Sliding Rear Window with Rear Defogger
    • Rear Cross Traffic Braking
    • Rear Pedestrian Detection
    • Premium Bose 7-Speaker Sound System
    • SiriusXM with 360L Trial Subscription
    • Floor-Mounted Center Console
    • Electric Rear-Window Defogger
    • Power Door Locks
    • Push Button Start
    • Remote Vehicle Starter System
    • Keyless Open and Start
    • Color-Keyed Carpeting Floor Covering
    • Front Premium Floor Liners with Removable Carpet Insert
    • OnStar Services Capable
    • Wi-Fi Hotspot Capable
    • 120-Volt Interior Power Outlet
    • 2 Type-C Charge-Only Rear USB Ports
    • 2 USB Ports
    • 2 Charge/Data USB Ports Inside Center Console
    • HD Surround Vision
    • Trailer Side Blind Zone Alert
    • Trailer Camera Provisions
    • Heated Driver and Front Outboard Passenger Seating
    • Ventilated Driver and Front Passenger Seats
    • Heated 2nd Row Outboard Seats
    • Steering Wheel Audio Controls
    • Power Rake and Telescoping Steering Column
    • Power Front Windows with Driver Express Up/Down
    • Power Front Passenger Windows with Express Up/Down
    • Power Rear Windows with Express Down
    • Wireless Charging
    • Spray-on Pickup Bedliner with GMC Logo
    • Deep-Tinted Glass
    • Black Chrome Grille Insert Bars
    • LED Cargo Area Lighting
    • Perimeter Lighting
    • Ultrasonic Front and Rear Park Assist
    • Red Recovery Hooks
    • Wheels: 20" x 9" Machined Aluminum
    • Rear Wheelhouse Liners
    • Front Rain-Sensing Wipers
    • Trailering Package
    • Hitch View
    • in-Vehicle Trailering System App
    • 220 Amp Alternator
    • Heavy-Duty Air Filter
    • Auto-Locking Rear Differential
    • Hill Descent Control
    • Off-Road Suspension
    • Integrated Trailer Brake Controller
    • 10-Way Power Driver Seat Adjuster with Lumbar
    • 10-Way Power Passenger Seat Adjuster with Lumbar
    • Driver Memory
    • Premium Bose 7-Speaker Sound System
    • Wireless Apple CarPlay/Wireless Android Auto
    • Rear Premium Floor Liners with Removable Carpet Insert
    • 120-Volt Bed Mounted Power Outlet
    • Hitch Guidance

    Dealer Notes

    AT NICK DELLEN CHEVROLET GMC - WE ONLY ADVERTISE PRICES WITH REBATES THAT EVERYONE QUALIFIES FOR!! - IT'S A BETTER WAY TO BUY YOUR VEHICLE - IT'S THE NICK DELLEN WAY!

    This 2026 GMC Sierra 1500 AT4 in Beige is engineered for capability and comfort. Powered by a 3.0L I6 engine with 10-speed automatic transmission and 4WD, it delivers 22 city and 26 highway MPG. The AT4 trim combines rugged off-road features with refined daily-driving comfort, making it an ideal choice for those who demand versatility.

    Key Features:
    - AT4 Premium Package and Preferred Equipment Group 4SB
    - Premium Bose 7-Speaker Sound System with SiriusXM 360L Trial
    - HD Surround Vision with Rear Cross Traffic Braking and Rear Pedestrian Detection
    - Heated and Ventilated Driver and Front Passenger Seats with 10-Way Power Adjusters
    - Integrated Trailering System with Hitch Guidance, Hitch View, and Camera Provisions
    - Wireless Apple CarPlay and Android Auto with Navigation System
    - Auto-Locking Rear Differential and Off-Road Suspension
    - 20" Machined Aluminum Wheels with Spray-on Bedliner
    - Push Button Start with Remote Vehicle Starter System
    - Multiple USB and 120-Volt Power Outlets for Charging and Power Needs

    This truck arrives well-appointed with the AT4 Premium Package, all-weather floor liners, and engine block heater. Advanced technology includes automatic emergency braking, lane keep assist, and forward collision alert. The bed features a spray-on bedliner with GMC logo, LED cargo lighting, and off-road high-clearance step. Ventilated front seats and heated rear outboard seats ensure comfort year-round.

    Experience the Sierra 1500 AT4's combination of advanced capability and premium comfort. Schedule your test drive today and discover why this truck leads its class.

    Price Does not include Tax, Title, License and Documentary Fee of $260. Price includes: $1500 - Buick & GMC Consumer Cash Program. Exp. 09/30/2026 $500 - GMC Bonus Cash. Exp. 09/30/2026

    KBB.com Consumer Reviews

    Kelley Blue Book - KBB.com
    Overall0.0Out of 5
      * The advertised price does not include sales tax, vehicle registration fees, other fees required by law, finance charges, a documentation fee of $250, or other charges * Images, prices, and options shown, including vehicle color, trim, options, pricing and other specifications are subject to availability, incentive offerings, current pricing and credit worthiness.