Open Directions
Time to trade? Start now! Time to trade? Start now!
  1. Seacoast Mazda
  2. Used Vehicles
  3. 2026
  4. GMC
  5. Sierra 1500
  6. AT4X

2026 GMC Sierra 1500 AT4X

  • Call for Pricing & Availability Seacoast Price

Visit our Store

Vehicle Information

VIN: 3GTUUFEL0TG196002
Stock #: U2443
Model Code: TK10543
  • Body Style 4D Crew Cab
  • Exterior Color Onyx Black
  • Interior Color Obsidian Rush
  • Mileage 1,941
  • Fuel Economy
    City/Highway 14/16 MPG
  • Engine 8 Cyl - 6.2 L
  • Transmission 10-Speed Automatic
  • Fuel Type Gasoline

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.

Dealer Comments

Onyx Black 2026 GMC Sierra 1500 AT4X 4WD 10-Speed Automatic EcoTec3 6.2L V8 10-Speed Automatic, 4WD, Obsidian Rush Leather.

Recent Arrival! Odometer is 2122 miles below market average!

Eligible Benefits

CarFax One Owner

All Features

ENGINE, 6.2L ECOTEC3 V8

  • (420 hp [313 kW] @ 5600 rpm
  • 460 lb-ft of torque [624 Nm] @ 4100 rpm); featuring Dynamic Fuel Management

  • Preferred Equipment Group 4SG
  • Wheels: 18" x 8.5" Painted Aluminum
  • 16-Way Power Driver Seat Adjuster with Lumbar
  • Driver Memory
  • Power Sliding Rear Window with Rear Defogger
  • 16-Way Power Passenger Seat Adjuster with Lumbar
  • Power Front Passenger Windows with Express Up/Down
  • Power Rear Windows with Express Down
  • Deep-Tinted Glass
  • Power Door Locks
  • Keyless Open and Start
  • Power Front Windows with Driver Express Up/Down
  • Rear Wheelhouse Liners
  • Color-Keyed Carpeting Floor Covering
  • Rear Premium Floor Liners with Removable Carpet Insert
  • Front Premium Floor Liners with Removable Carpet Insert
  • Push Button Start
  • Remote Vehicle Starter System
  • Electric Rear-Window Defogger
  • Front Rain-Sensing Wipers
  • Power Sunroof
  • Spray-on Pickup Bedliner with GMC Logo
  • Hitch Guidance
  • Floor-Mounted Center Console
  • Driver-Selectable Full-Locking Front Differential
  • Driver-Selectable Full-Locking Rear Differential
  • Gloss Black Header with Dark Nickel Grille Insert Bars
  • 3.23 Rear Axle Ratio
  • Safety Alert Seat
  • Radio: Premium GMC Infotainment Audio System
  • Hill Descent Control
  • Integrated Trailer Brake Controller
  • Heavy-Duty Air Filter
  • Wireless Charging
  • Heated Driver and Front Outboard Passenger Seating
  • Heated 2nd Row Outboard Seats
  • External Engine Oil Cooling
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Interior Power Outlet
  • Auxiliary External Transmission Oil Cooler
  • Ventilated Driver and Front Passenger Seats
  • 220 Amp Alternator
  • 170 Amp Alternator
  • Power Rake and Telescoping Steering Column
  • Dual Active Exhaust
  • 2-Speed Transfer Case
  • Skid Plates
  • GMC Pro Safety
  • Wireless Apple CarPlay/Wireless Android Auto
  • Trailer Tire Pressure Monitor System
  • Hitch View
  • MultiPro Tailgate Audio System by Kicker
  • Full Grain Leather Seat Trim
  • Buckle to Drive
  • IntelliBeam Automatic High Beam on/Off
  • Trailer Camera Provisions
  • Perimeter Lighting
  • SiriusXM with 360L Trial Subscription
  • 2 Charge/Data USB Ports Inside Center Console
  • 2 USB Ports
  • 2 Type-C Charge-Only Rear USB Ports
  • Ultrasonic Front and Rear Park Assist
  • OnStar Services Capable
  • Following Distance Indicator
  • in-Vehicle Trailering System App
  • Forward Collision Alert
  • LED Cargo Area Lighting
  • Rear Cross Traffic Braking
  • Universal Home Remote
  • Lane Keep Assist with Lane Departure Warning
  • Automatic Emergency Braking
  • Steering Wheel Audio Controls
  • Front Pedestrian Braking
  • Rear Pedestrian Detection
  • Trailer Side Blind Zone Alert
  • Bose Premium Series with 12- Speaker System
  • Theft Deterrent System (unauthorized Entry)
  • HD Surround Vision
  • Multicolor 15" Diagonal Head-Up Display
  • Bed View Camera
  • Front License Plate Kit
  • Wi-Fi Hotspot Capable
  • Trailering Package
  • Off-Road Suspension
  • 12 Speakers
  • Apple CarPlay/Android Auto
  • Emergency communication system: OnStar
  • AM/FM radio: SiriusXM with 360L
  • Auto High-beam Headlights
  • Compass
  • Heads-Up Display
  • Auto-dimming Rear-View mirror
  • Ventilated front seats
  • Variably intermittent wipers
  • Trip computer
  • Traction control
  • Tilt steering wheel
  • Telescoping steering wheel
  • Steering wheel mounted audio controls
  • Split folding rear seat
  • Speed-sensing steering
  • Speed control
  • Security system
  • Remote keyless entry
  • Rear window defroster
  • Rear step bumper
  • Rear seat center armrest
  • Rear reading lights
  • Rain sensing wipers
  • Radio data system
  • Power windows
  • Power steering
  • Power passenger seat
  • Power moonroof
  • Power driver seat
  • Power door mirrors
  • Passenger vanity mirror
  • Passenger door bin
  • Panic alarm
  • Overhead console
  • Overhead airbag
  • Outside temperature display
  • Occupant sensing airbag
  • Memory seat
  • Low tire pressure warning
  • Leather steering wheel
  • Illuminated entry
  • Heated steering wheel
  • Heated rear seats
  • Heated front seats
  • Heated door mirrors
  • Genuine wood door panel insert
  • Genuine wood dashboard insert
  • Garage door transmitter
  • Fully automatic headlights
  • Front wheel independent suspension
  • Front reading lights
  • Front fog lights
  • Front dual zone A/C
  • Front anti-roll bar
  • Dual front side impact airbags
  • Dual front impact airbags
  • Driver vanity mirror
  • Driver door bin
  • Delay-off headlights
  • Brake assist
  • Block heater
  • Automatic temperature control
  • Auto-dimming door mirrors
  • Alloy wheels
  • ABS brakes
  • Voltmeter
  • Tachometer
  • Navigation System
  • Front Center Armrest
  • Front Bucket Seats
  • Electronic Stability Control
  • Air Conditioning
  • 4-Wheel Disc Brakes
  • Mileage
    • Fuel Economy Est-Combined (MPG): 15
    • Fuel Economy Est-Combined (MPG): 19
    • EPA Fuel Economy Est - City (MPG): 14
    • EPA Fuel Economy Est - City (MPG): 19
    • EPA Fuel Economy Est - Hwy (MPG): 16
    • EPA Fuel Economy Est - Hwy (MPG): 20
  • Electrical
    • Cold Cranking Amps @ 0° F (Primary): 730
    • Cold Cranking Amps @ 0° F (Primary): 850
    • Maximum Alternator Capacity (amps): 220
  • Cooling System
    • Total Cooling System Capacity (qts): - TBD -
  • Weight Information
    • Gross Axle Wt Rating - Front (lbs): 3950
    • Gross Axle Wt Rating - Rear (lbs): 3800
    • Curb Weight - Front (lbs): 2845
    • Curb Weight - Rear (lbs): 1981
    • Gross Vehicle Weight Rating Cap (lbs): 7300
    • Gross Combined Wt Rating (lbs): 15000
  • Trailering
    • Dead Weight Hitch - Max Trailer Wt. (lbs): 5000
    • Dead Weight Hitch - Max Tongue Wt. (lbs): 500
    • Wt Distributing Hitch - Max Trailer Wt. (lbs): 8700
    • Wt Distributing Hitch - Max Trailer Wt. (lbs): 8500
    • Wt Distributing Hitch - Max Tongue Wt. (lbs): 870
    • Wt Distributing Hitch - Max Tongue Wt. (lbs): 850
    • Fifth Wheel Hitch - Max Trailer Wt. (lbs): 5000
    • Fifth Wheel Hitch - Max Trailer Wt. (lbs): 5200
    • Fifth Wheel Hitch - Max Tongue Wt. (lbs): 1250
    • Fifth Wheel Hitch - Max Tongue Wt. (lbs): 1300
    • Maximum Trailering Capacity (lbs): 8700
  • Suspension
    • Suspension Type - Front: Independent
    • Suspension Type - Rear: Solid Axle
    • Spring Capacity - Front (lbs): 3950
    • Spring Capacity - Rear (lbs): 3850
    • Axle Type - Front: - TBD -
    • Axle Type - Rear: - TBD -
    • Axle Capacity - Front (lbs): 3950
    • Axle Capacity - Rear (lbs): 3800
    • Axle Ratio (:1) - Front: 3.23
    • Axle Ratio (:1) - Rear: 3.23
    • Shock Absorber Diameter - Front (mm): - TBD -
    • Shock Absorber Diameter - Rear (mm): - TBD -
    • Stabilizer Bar Diameter - Front (in): 1.30
  • Brakes
    • Brake Type: Pwr
    • Brake ABS System: 4-Wheel
    • Disc - Front (Yes or ): Yes
    • Disc - Rear (Yes or ): Yes
    • Front Brake Rotor Diam x Thickness (in): 13 x 1.18
    • Rear Brake Rotor Diam x Thickness (in): 13.6 x 0.79
  • Tires
    • Front Tire Order Code: QFL
    • Rear Tire Order Code: QFL
    • Spare Tire Order Code: RHF
    • Front Tire Size: LT275/70R18
    • Rear Tire Size: LT275/70R18
    • Spare Tire Size: LT275/70R18
    • Front Tire Capacity (lbs): - TBD -
    • Rear Tire Capacity (lbs): - TBD -
    • Spare Tire Capacity (lbs): - TBD -
    • Revolutions/Mile @ 45 mph - Front: N/A
    • Revolutions/Mile @ 45 mph - Rear: N/A
    • Revolutions/Mile @ 45 mph - Spare: N/A
  • Wheels
    • Front Wheel Size (in): 18 x 8.5
    • Rear Wheel Size (in): 18 x 8.5
    • Spare Wheel Size (in): 18 x 8.5
    • Front Wheel Material: Aluminum
    • Rear Wheel Material: Aluminum
    • Spare Wheel Material: Aluminum
  • Steering
    • Steering Type: Electric Rack & Pinion
    • Steering Ratio (:1), On Center: - TBD -
    • Steering Ratio (:1), At Lock: - TBD -
    • Turning Diameter - Curb to Curb (ft): 47.3
    • Turning Diameter - Wall to Wall (ft): N/A
  • Frame
    • Frame Type: Hydroformed
  • Fuel Tank
    • Fuel Tank Capacity, Approx (gal): 24
    • Fuel Tank Location: - TBD -
  • Exterior Dimensions
    • Wheelbase (in): 147.55
    • Length, Overall (in): 233.96
    • Width, Max w/o mirrors (in): 81.23
    • Height, Overall (in): 78.65
    • Overhang, Front (in): - TBD -
    • Overhang, Rear w/o bumper (in): - TBD -
    • Front Bumper to Back of Cab (in): - TBD -
    • Cab to Axle (in): - TBD -
    • Cab to End of Frame (in): - TBD -
    • Ground to Top of Load Floor (in): - TBD -
    • Ground to Top of Frame (in): - TBD -
    • Frame Width, Rear (in): - TBD -
    • Ground Clearance, Front (in): 11.5
    • Ground Clearance, Rear (in): 11.1
  • Cargo Area Dimensions
    • Cargo Box Length @ Floor (in): 69.92
    • Cargo Box Width @ Top, Rear (in): - TBD -
    • Cargo Box Width @ Floor (in): 71.4
    • Cargo Box Width @ Wheelhousings (in): 50.63
    • Cargo Box (Area) Height (in): 22.4
    • Tailgate Width (in): - TBD -
    • Cargo Volume (ft³): 62.9
    • Ext'd Cab Cargo Volume (ft³): - TBD -
  • Interior Dimensions
    • Passenger Capacity: 5
    • Front Head Room (in): 39.88
    • Front Leg Room (in): 44.53
    • Front Shoulder Room (in): 64.54
    • Front Hip Room (in): 60.78
    • Second Head Room (in): 40.12
    • Second Leg Room (in): 43.4
    • Second Shoulder Room (in): 64
    • Second Hip Room (in): 59.24
  • Summary
    • Vehicle Name: GMC Sierra 1500
    • Body Style: Crew Cab Pickup
    • Body Code: E63
  • Emissions
    • EPA Greenhouse Gas Score: 2
    • EPA Greenhouse Gas Score: 3
    • Tons/yr of CO2 Emissions @ 15K mi/year: 9.9
    • Tons/yr of CO2 Emissions @ 15K mi/year: 8.7
Vehicles You Might Like
2024 GMC Sierra 1500 Denali
2024 GMC Sierra 1500 Denali

2024 GMC Sierra 1500 Denali

VIN: 1GTUUGE88RZ148435
Stock: U1955
Model: TK10743
  • Call For Price MSRP
View Vehicle
2026 GMC Sierra 1500 Denali
2026 GMC Sierra 1500 Denali

2026 GMC Sierra 1500 Denali

VIN: 1GTUUGE86TZ117790
Stock: U2338
Model: TK10543
  • Call For Price MSRP
View Vehicle
2025 GMC Sierra 2500HD AT4
2025 GMC Sierra 2500HD AT4

2025 GMC Sierra 2500HD AT4

VIN: 1GT4UPEY3SF120615
Stock: U2118
Model: TK20743
  • Call For Price MSRP
View Vehicle
2025 GMC Sierra 2500HD AT4X
2025 GMC Sierra 2500HD AT4X

2025 GMC Sierra 2500HD AT4X

VIN: 1GT4UZEY0SF210235
Stock: U2420
Model: TK20743
  • Call For Price MSRP
View Vehicle

May not represent actual vehicle. (Options, colors, trim and body style may vary)