Sierra 1500

Spider

AWD4WD

6-Cylinder Turbo

Diesel

2026 GMC Sierra 1500 AT4 Onyx Black 2026 GMC Sierra 1500 AT4 4WD 10-Speed Automatic 3.0L I6 We are your premier Carrollton, GA Cadillac dealership. John Thornton Cadillac Inc. Is family owned, and it is our goal to provide you with an excellent purchase and ownership experience. We also proudly serve Douglasville Cadillac customers. Whether you're searching for a new or used car near Douglasville or Bremen, researching financing options, or looking for a quick quote on a car, truck, or SUV, the friendly, yet professional staff at our Carrollton Cadillac dealership is ready to provide you with all the help you need. We are proud to serve Bremen Cadillac customers. We have served as your premier Cadillac dealer for the entire West Georgia area for over 45 years. AT4 Preferred Package (Power Sliding Rear Window w/Rear Defogger and Universal Home Remote), AT4 Premium Package (Off-Road High Clearance Step (LPO)), Preferred Equipment Group 4SB (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, Auto-Locking Rear Differential, Black Chrome Grille Insert Bars, Color-Keyed Carpeting Floor Covering, Deep-Tinted Glass, Electric Rear-Window Defogger, Floor-Mounted Center Console, Front Prem Floor Liners w/Removable Carpet Insert, Front Rain-Sensing Wipers, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated Driver Front Outboard Passenger Seating, Heavy-Duty Air Filter, Hill Descent Control, Hitch View, In-Vehicle Trailering System App, Integrated Trailer Brake Controller, Keyless Open Start, LED Cargo Area Lighting, OnStar Services Capable, Perimeter Lighting, Power Door Locks, Power Front Passenger Windows w/Express Up/Down, Power Front Windows w/Driver Express Up/Down, Power Rake Telescoping Steering Column, Power Rear Windows w/Express Down, Premium Bose 7-Speaker Sound System, Push Button Start, Rear Cross Traffic Braking, Rear Pedestrian Detection, Rear Prem Floor Liners w/Removable Carpet Insert, Rear Wheelhouse Liners, Red Recovery Hooks, Remote Vehicle Starter System, SiriusXM w/360L Trial Subscription, Spray-On Pickup Bedliner w/GMC Logo, Steering Wheel Audio Controls, Theft Deterrent System (Unauthorized Entry), Trailer Camera Provisions, Trailer Side Blind Zone Alert, Ultrasonic Front Rear Park Assist, Ventilated Driver Front Passenger Seats, Wi-Fi Hotspot Capable, and Wireless Charging), Technology Package (Bed View Camera, Multicolor 15 Diagonal Head-Up Display, and Rear Camera Mirror), Trailering Package (Hitch Guidance), 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 3.23 Rear Axle Ratio, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Block heater, Brake assist, Buckle to Drive, Bumpers: body-color, Compass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system: OnStar, Engine Block Heater, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Heated door mirrors, Heated front seats, Heated rear seats, Heated steering wheel, Illuminated entry, IntelliBeam Automatic High Beam On/Off, Lane Keep Assist w/Lane Departure Warning, Low tire pressure warning, Memory seat, Navigation System, Occupant sensing airbag, Off-Road

New 2026 GMC Sierra 1500 AT4 w/ AT4 Premium Package

New 2026 GMC Sierra 1500 AT4 w/ AT4 Premium Package Carrollton GA 30117

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JOHN THORNTON GMC

 for sale near you in Carrollton, GA. Get more information and car pricing for this vehicle on Autotrader.

New 2026 GMC Sierra 1500 AT4 w/ AT4 Premium Package for sale in Carrollton, GA 30117: Truck Details - 763855302 - Autotrader