Experience the ultimate in capability and style with this 2025 GMC Sierra 1500 AT4 4D Crew Cab. Dressed in a bold Onyx Black exterior, this truck is equipped with a powerful 6.2L V8 EcoTec3 engine that delivers an impressive 420 horsepower and 460 lb-ft of torque.
- Onyx Black exterior
- 6.2L V8 EcoTec3 engine with Dynamic Fuel Management and Dual, Sport-Mode Active Exhaust
- AT4 CarbonPro Edition with CarbonPro fender badge and CarbonPro composite bed
- AT4 Premium Package with Off-Road High Clearance Steps
- Dealer-installed Body Color Wheel Arch Moldings
Elevate your driving experience with the premium features this Sierra AT4 has to offer. The MultiPro Tailgate Audio System by Kicker provides the perfect soundtrack for your adventures, while the Bose 7-speaker sound system delivers exceptional audio quality. Stay connected with wireless Apple CarPlay and Android Auto, and keep your devices charged with the 120-volt bed-mounted power outlet and wireless charging pad.
Conquer any terrain with the AT4's off-road-tuned suspension, electronic locking rear differential, and hill descent control. The CarbonPro composite bed and off-road high clearance steps add both style and functionality to this capable truck. Whether you're hauling gear or towing a trailer, the Sierra AT4 is up for the challenge.
Enjoy the ultimate in comfort and convenience with features like heated and ventilated front seats, a heated steering wheel, and dual-zone automatic climate control. The driver's seat even has memory settings to ensure your perfect driving position every time.
Safety is a top priority, with advanced driver assistance technologies like Automatic Emergency Braking, Forward Collision Alert, Lane Keep Assist, and Rear Pedestrian Detection keeping you and your passengers secure.
Experience the power, capability, and premium features of the 2025 GMC Sierra 1500 AT4 4D Crew Cab. Schedule a test drive today and discover the ultimate in truck performance and luxury.
Used 2025 GMCSierra 1500 AT4 4D Crew Cab Truck
- Exterior Color
- Onyx Black
- Interior Color
- Jet Black With Kalahari Accents
- Odometer
- 29,660 miles
- Body/Seating
- Truck/5 seats
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
- Engine
- EcoTec3 6.2L V8
- VIN
- 1GTUUEEL3SZ100615
- Stock Number
- SZ100615T
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
- MultiPro Tailgate Audio System by Kicker (LPO)
- Radio data system
- SiriusXM w/360L Trial Subscription
- Air Conditioning
- Automatic temperature control
- Front dual zone A/C
- Rear window defroster
- Memory seat
- Power driver seat
- Power Front Passenger Windows w/Express Up/Down
- Power Front Windows w/Driver Express Up/Down
- Power Rear Windows w/Express Down
- Power steering
- Power windows
- Remote keyless entry
- Steering wheel mounted audio controls
- Power Rake & 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 & Start
- 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
- 170 Amp Alternator
- Auxiliary External Transmission Oil Cooler
- Block heater
- External Engine Oil Cooling
- Auto-dimming door mirrors
- Body Color Wheel Arch Moldings (LPO)
- Bumpers: body-color
- Dual Active Exhaust
- Front License Plate Kit
- Heated door mirrors
- IntelliBeam Automatic High Beam On/Off
- Off-Road High Clearance Step (LPO)
- Power door mirrors
- Rear step bumper
- Spray-On Pickup Bedliner w/GMC 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 Prem Floor Liners w/Removable Carpet Insert
- Front reading lights
- Heated steering wheel
- Illuminated entry
- Lane Keep Assist w/Lane Departure Warning
- Outside temperature display
- Overhead console
- Passenger vanity mirror
- Rear Prem Floor Liners w/Removable Carpet Insert
- Rear reading lights
- Rear seat center armrest
- Safety Alert Seat
- Tachometer
- Telescoping steering wheel
- Tilt steering wheel
- Trip computer
- Ultrasonic Front & Rear Park Assist
- Voltmeter
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Front Center Armrest
- Heated Driver & Front Outboard Passenger Seating
- Heated front seats
- Heated rear seats
- Perforated Front Leather Seat Trim
- Power passenger seat
- Split folding rear seat
- Ventilated Driver & Front Passenger Seats
- Ventilated front seats
- Passenger door bin
- In-Vehicle Trailering System App
- Alloy wheels
- Power Sliding Rear Window w/Rear Defogger
- Rain sensing wipers
- Variably intermittent wipers
- 3.23 Rear Axle Ratio
- AT4 CarbonPro Edition
- AT4 Preferred Package
- AT4 Premium Package
- Preferred Equipment Group 4SB
- Trailering Package
- Premium Bose 7-Speaker Sound System
- Radio: Premium GMC Infotainment Audio System
- Steering Wheel Audio Controls
- Electric Rear-Window Defogger
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Interior Power Outlet
- Driver Memory
- Push Button Start
- Remote Vehicle Starter System
- Universal Home Remote
- Auto-Locking Rear Differential
- Off-Road Suspension
- Power Door Locks
- Hill Descent Control
- Perimeter Lighting
- 220 Amp Alternator
- Heavy-Duty Air Filter
- Black Chrome Grille Insert Bars
- Carbon Fiber Composite Bed
- CarbonPro Fender Hard Badge
- LED Cargo Area Lighting
- Rear Wheelhouse Liners
- 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
- HD Surround Vision
- OnStar Services Capable
- Rear Cross Traffic Braking
- Rear Pedestrian Detection
- Trailer Camera Provisions
- Trailer Side Blind Zone Alert
- Wi-Fi Hotspot Capable
- Wireless Apple CarPlay/Wireless Android Auto
- Wireless Charging
- Front Bucket Seats
- Heated 2nd Row Outboard Seats
- Hitch Guidance
- Hitch View
- Integrated Trailer Brake Controller
- Red Recovery Hooks
- Wheels: 20" x 9" Machined Aluminum
- Deep-Tinted Glass
- Front Rain-Sensing Wipers
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
- 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
- Engine location: front
- Fuel economy city: 22mpg
- Fuel economy combined: 24mpg
- Fuel economy highway: 26mpg
- Fuel tank capacity: 24.0gal.
- 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: 26 deg
- Ground clearance (min): 282mm (11.1")
- Ramp breakover angle: 20 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 headroom: 1,092mm (43.0")
- 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: 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
- CarbonPro Fender Hard Badge
- Carbon Fiber Composite Bed
- AT4 Preferred Package
- Universal Home Remote
- Rear Cross Traffic Braking
- Rear Pedestrian Detection
- Premium Bose 7-Speaker Sound System
- Floor-Mounted Center Console
- Electric Rear-Window Defogger
- Power Door Locks
- Push Button Start
- Remote Vehicle Starter System
- Color-Keyed Carpeting Floor Covering
- 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 2nd Row Outboard Seats
- Steering Wheel Audio Controls
- Wireless Charging
- Deep-Tinted Glass
- Black Chrome Grille Insert Bars
- LED Cargo Area Lighting
- Perimeter Lighting
- Red Recovery Hooks
- Wheels: 20" x 9" Machined Aluminum
- Rear Wheelhouse Liners
- Front Rain-Sensing Wipers
- Trailering Package
- Hitch View
- 220 Amp Alternator
- Heavy-Duty Air Filter
- Auto-Locking Rear Differential
- Hill Descent Control
- Off-Road Suspension
- Integrated Trailer Brake Controller
- Driver Memory
- Premium Bose 7-Speaker Sound System
- Wireless Apple CarPlay/Wireless Android Auto
- 120-Volt Bed Mounted Power Outlet
- Hitch Guidance
Dealer Notes
KBB.com Consumer Reviews
Customers With Disabilities
Website Accessibility: At Principle Auto, we take website accessibility seriously. If for some reason you are having trouble with our website, we are available during normal working hours to assist at 888-701-7649.
Adaptive Driving Devices: Principle Auto is committed to providing Adaptive Driving Devices for our customers with disabilities who wish to test drive a car. Principle Auto will use good faith efforts to satisfy requests for particular vehicles to test drive, as soon as reasonably practical, but we will require advance notice for such vehicles depending on the type of vehicle requested and the location. The foregoing timeframes and availability are subject to delays beyond Principle Auto's reasonable control. For customer service inquiries relating to customers with disabilities, please call the main number for the dealership.
Picture may not represent actual vehicle. Price varies based on Trim Levels and Options. See Dealer for in-stock inventory and actual selling price. Dealer added options extra, including tint. All prices plus tax, title & license with approved credit. MSRP includes delivery, processing, and handling fees. Dealer doc fee of $225 not included in the price. Prices may be different outside of each advertised period and do not necessarily reflect cash price at any other time. Inventory is subject to prior sale. We are not responsible for typographical, technical, or misprint errors. Please contact us directly via phone or email to verify all information.
Website Accessibility: At Principle Auto, we take website accessibility seriously. If for some reason you are having trouble with our website, we are available during normal working hours to assist at 888-701-7649.
Adaptive Driving Devices: Principle Auto is committed to providing Adaptive Driving Devices for our customers with disabilities who wish to test drive a car. Principle Auto will use good faith efforts to satisfy requests for particular vehicles to test drive, as soon as reasonably practical, but we will require advance notice for such vehicles depending on the type of vehicle requested and the location. The foregoing timeframes and availability are subject to delays beyond Principle Auto's reasonable control. For customer service inquiries relating to customers with disabilities, please call the main number for the dealership.
Picture may not represent actual vehicle. Price varies based on Trim Levels and Options. See Dealer for in-stock inventory and actual selling price. Dealer added options extra, including tint. All prices plus tax, title & license with approved credit. MSRP includes delivery, processing, and handling fees. Dealer doc fee of $225 not included in the price. Prices may be different outside of each advertised period and do not necessarily reflect cash price at any other time. Inventory is subject to prior sale. We are not responsible for typographical, technical, or misprint errors. Please contact us directly via phone or email to verify all information.