
2026 GMC Sierra 1500
Mileage: 11 · Seguin, TX
2026 GMC Sierra 1500 AT4 Crew Cab 4WD
Seguin, TX
$67,267
MSRP
Dealer rating
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Features
Mileage
11
Drivetrain
Four-Wheel Drive
Exterior color
Onyx Black
Interior color
Jet Black
MPG
22 MPG
Engine
3L I6 Diesel
Fuel type
Diesel
Transmission
Automatic
Finance in advance
Overview
- Make:GMC
- Model:Sierra 1500
- Year:2026
- Trim:AT4
- Body type:Pickup Truck
- Exterior color:Onyx Black
- Interior color:Jet Black
- Mileage:11 mi
- Condition:New
- VIN:3GTUUEE8XTG357123
- Stock number:TG357123
Fuel economy
- Fuel tank size:24 gal
- Combined gas mileage:22 MPG
- City gas mileage:21 MPG
- Highway gas mileage:24 MPG
- Fuel type:Diesel
Performance
- Transmission:Automatic
- Drivetrain:Four-Wheel Drive
- Engine:3L I6 Diesel
Safety
- ABS Brakes
- Backup Camera
- Blind Spot Monitoring
- Curtain Airbags
- Driver Airbag
- Front Side Airbags
- Parking Sensors
- Passenger Airbag
Measurements
- Doors:4 doors
- Front legroom:44 in
- Back legroom:43 in
- Cabin size:Crew Cab
- Cargo volume:69 in
Options
AT4 Preferred Package
AT4 Premium Package
Onyx Black
Technology Package
History
Clean title
No issues reported.
0 accidents reported
No accidents or damage reported.
Pricing

19 days at this dealership
Pricing
Dealer

Dealer reviews
Dealer's description
Onyx Black 2026 GMC Sierra 1500 AT4 4WD 10-Speed Automatic 3.0L I6 Sierra 1500 AT4, 4D Crew Cab, 3.0L I6, 4WD, Onyx Black, Jet Black w/Kalahari Accents w/Perforated Front Leather Seat Trim, 120-Volt Bed Mounted Power Outlet, 120-Volt Interior Power Outlet, 2 Charge/Data USB Ports Inside Center Console, 2 Type-C Charge-Only Rear USB Ports, 2 USB Ports, 220 Amp Alternator, 3.23 Rear Axle Ratio, All-Weather Floor Liners with AT4 Logo, Alloy wheels, Apple CarPlay/Android Auto, AT4 Preferred Package, AT4 Premium Package, Auto-Locking Rear Differential, Bed View Camera, Black Badging Package, Black Chrome Grille Insert Bars, Black GMC Emblems, Black Sierra Nameplates, Color-Keyed Carpeting Floor Covering, Deep-Tinted Glass, Electric Rear-Window Defogger, Floor-Mounted Center Console, Front Premium Floor Liners with Removable Carpet Insert, Front Rain-Sensing Wipers, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated Driver and Front Outboard Passenger Seating, Heavy-Duty Air Filter, Hill Descent Control, Hitch Guidance, Hitch View, in-Vehicle Trailering System App, Integrated Trailer Brake Controller, Keyless Open and Start, LED Cargo Area Lighting, Multicolor 15" Diagonal Head-Up Display, Off-Road High Clearance Step, Off-Road Suspension, OnStar Services Capable, Perimeter Lighting, Power Door Locks, Power Front Passenger Windows with Express Up/Down, Power Front Windows with Driver Express Up/Down, Power Rake and Telescoping Steering Column, Power Rear Windows with Express Down, Power Sliding Rear Window with Rear Defogger, Preferred Equipment Group 4SB, Premium Bose 7-Speaker Sound System, Push Button Start, Rear Camera Mirror, Rear Cross Traffic Braking, Rear Pedestrian Detection, Rear Premium Floor Liners with Removable Carpet Insert, Rear Underseat Storage, Rear Wheelhouse Liners, Red Recovery Hooks, Remote Vehicle Starter System, SiriusXM with 360L Trial Subscription, Spray-on Pickup Bedliner with GMC Logo, Steering Wheel Audio Controls, Technology Package, Theft Deterrent System (unauthorized Entry), Trailer Camera Provisions, Trailer Side Blind Zone Alert, Trailering Package, Ultrasonic Front and Rear Park Assist, Universal Home Remote, Ventilated Driver and Front Passenger Seats, Wheels: 20" x 9" Machined Aluminum, Wi-Fi Hotspot Capable, Wireless Charging. Recent Arrival! 22/26 City/Highway MPG Price includes: $1750 - Purchase Allowance. Exp. 06/01/2026 $500 - Bonus Cash. Exp. 06/01/2026
Additional Information
Navigation System,AT4 Preferred Package,AT4 Premium Package,Black Badging Package,Preferred Equipment Group 4SB,Technology Package,Trailering Package,7 Speakers,AM/FM radio: SiriusXM with 360L,Premium Bose 7-Speaker Sound System,Radio data system,Radio: Premium GMC Infotainment Audio System,SiriusXM with 360L Trial Subscription,Steering Wheel Audio Controls,Air Conditioning,Automatic temperature control,Electric Rear-Window Defogger,Front dual zone A/C,Rear window defroster,120-Volt Bed Mounted Power Outlet,120-Volt Interior Power Outlet,Driver Memory,Memory seat,Power driver seat,Power Front Passenger Windows with Express Up/Down,Power Front Windows with Driver Express Up/Down,Power Rear Windows with Express Down,Power steering,Power windows,Push Button Start,Remote keyless entry,Remote Vehicle Starter System,Steering wheel mounted audio controls,Universal Home Remote,Auto-Locking Rear Differential,Off-Road Suspension,Power Rake and Telescoping Steering Column,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,Keyless Open and Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Power Door Locks,Brake assist,Electronic Stability Control,Hill Descent Control,Auto High-beam Headlights,Delay-off headlights,Front fog lights,Fully automatic headlights,Perimeter Lighting,Panic alarm,Security system,Theft Deterrent System (unauthorized Entry),Speed control,220 Amp Alternator,Block heater,Heavy-Duty Air Filter,Auto-dimming door mirrors,Black Chrome Grille Insert Bars,Black GMC Emblems,Black Sierra Nameplates,Bumpers: body-color,Heated door mirrors,IntelliBeam Automatic High Beam on/Off,LED Cargo Area Lighting,Off-Road High Clearance Step,Power door mirrors,Rear step bumper,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,All-Weather Floor Liners with AT4 Logo,Apple CarPlay/Android Auto,Auto-dimming Rear-View mirror,Automatic Emergency Braking,Bed View Camera,Buckle to Drive,Color-Keyed Carpeting Floor Covering,Compass,Driver door bin,Driver vanity mirror,Floor-Mounted Center Console,Following Distance Indicator,Forward Collision Alert,Front Pedestrian Braking,Front Premium Floor Liners with Removable Carpet Insert,Front reading lights,HD Surround Vision,Heated steering wheel,Illuminated entry,Lane Keep Assist with Lane Departure Warning,Multicolor 15" Diagonal Head-Up Display,OnStar Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Camera Mirror,Rear Cross Traffic Braking,Rear Pedestrian Detection,Rear Premium Floor Liners with Removable Carpet Insert,Rear reading lights,Rear seat center armrest,Rear Underseat Storage,Safety Alert Seat,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trailer Camera Provisions,Trailer Side Blind Zone Alert,Trip computer,Ultrasonic Front and Rear Park Assist,Voltmeter,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,Front Center Armrest,Heated 2nd Row Outboard Seats,Heated Driver and Front Outboard Passenger Seating,Heated front seats,Heated rear seats,Perforated Front Leather Seat Trim,Power passenger seat,Split folding rear seat,Ventilated Driver and Front Passenger Seats,Ventilated front seats,Passenger door bin,Hitch Guidance,Hitch View,in-Vehicle Trailering System App,Integrated Trailer Brake Controller,Red Recovery Hooks,Alloy wheels,Wheels: 20" x 9" Machined Aluminum,Deep-Tinted Glass,Front Rain-Sensing Wipers,Power Sliding Rear Window with Rear Defogger,Rain sensing wipers,Variably intermittent wipers,3.23 Rear Axle Ratio
Dealer's disclaimer
Prices do not include government fees, including but not limited to the Documentation Fee ($150) or variable taxes, finance charges, electronic filing charges or emission testing charges. While Beck & Beck Buick GMC makes great effort to ensure information posted here is accurate, we cannot be responsible for typographical and other errors (e.g., data transmission) that may appear on the site. In the event a vehicle is priced incorrectly, Beck & Beck Buick GMC shall have the right to refuse or cancel any orders placed for the vehicle presented with the incorrect price. Vehicle prices are subject to change, are subject to prior sale and may not be available when you are ready to purchase. Vehicle may include dealer-installed options not included in the price. MPG estimates on this website are EPA estimates; your actual mileage may vary. Contact dealer for details.
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* Fuel economy figures shown are provided from EPA mileage estimates and may not be comparable across different model years. Actual mileage will vary, depending on specific options selected, vehicle maintenance and your driving habits
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