Meet the 2025 GMC Sierra 1500 AT4, a truck engineered for those who demand capability without compromise. This black beauty combines rugged construction with refined appointments, delivering a vehicle designed to handle whatever your lifestyle requires.
- 4-Wheel Drive with Off-Road Suspension
- Heated and Ventilated Leather Front Seats
- Premium Bose 7-Speaker Sound System with SiriusXM
- Navigation System with HD Surround Vision
- Power Sunroof
- Integrated Trailer Camera and Hitch Guidance System
- Rear Camera Mirror and Rear Cross Traffic Braking
- Hill Descent Control for Off-Road Capability
- Heated Steering Wheel
- Remote Start and Keyless Open & Start
- Wireless Phone Charging
- Lane Keep Assist with Lane Departure Warning
- Automatic Emergency Braking with Front Pedestrian Braking
- 20-Inch Machined Aluminum Wheels
- Spray-On Pickup Bedliner with GMC Logo
The Sierra 1500 AT4 is built on a platform that respects your needs. The 3.0L I6 engine paired with a 10-speed automatic transmission delivers balanced performance with 21 MPG city and 24 MPG highway. Four-wheel drive provides confidence in all conditions, while the off-road suspension and hill descent control prepare you for challenging terrain. The integrated trailering system makes towing straightforward with trailer-side blind zone alerts, trailer cross traffic braking, and dedicated camera provisions that transform your smartphone into a command center.
Your comfort matters. The cabin features heated and ventilated leather front seats, a heated second row, and a heated steering wheelâ"essential during cold months. Wireless charging keeps your devices ready, while the wireless Apple CarPlay and Android Auto integration ensure seamless connectivity. The multicolor 15-inch head-up display presents critical information directly in your line of sight, reducing distraction while driving.
Safety technology surrounds you. Automatic emergency braking with front pedestrian detection works alongside lane keep assist and lane departure warning to help prevent incidents. The rear cross traffic braking system monitors blind spots when backing up, and the 360-degree surround vision camera gives you complete clarity around the truck. OnStar emergency communication services add an additional layer of security.
The AT4 appointments reflect GMC's commitment to refined truck design. The premium Bose audio system with steering wheel controls keeps entertainment and navigation accessible. Navigation capabilities include trailer guidance and in-vehicle trailering system controls. Red recovery hooks, all-weather floor liners with AT4 logo, and spray-on bedliner protection demonstrate attention to practical details that protect your investment.
This 2025 GMC Sierra 1500 AT4 represents a complete truck solutionâ"capable on any terrain, comfortable for daily driving, and packed with technology that simplifies truck ownership. View this truck in person and discover why AT4 owners value their choice. Visit us today to experience the difference firsthand.
Used 2025 GMCSierra 1500 AT4
- Diesel
- Exterior Color
- Onyx Black
- Interior Color
- Jet Black With Kalahari Accents
- Odometer
- 18,382 miles
- Body/Seating
- Truck/5 seats
- Seats
- 5 seats
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
- Engine
- 3.0L I6
- VIN
- 1GTUUEE81SZ218481
- Stock Number
- SP3958A
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
- AT4 Preferred Package
- AT4 Premium 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 w/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 w/Express Up/Down
- Power Front Windows w/Driver Express Up/Down
- Power Rear Windows w/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 & 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
- Power Door Locks
- Power Sunroof
- 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
- Engine Block Heater
- Heavy-Duty Air Filter
- Auto-dimming door mirrors
- Black Chrome Grille Insert Bars
- Bumpers: body-color
- Front License Plate Kit
- Heated door mirrors
- IntelliBeam Automatic High Beam On/Off
- LED Cargo Area Lighting
- Off-Road High Clearance Step (LPO)
- Power door mirrors
- Rear step bumper
- Rear Wheelhouse Liners
- Spray-On Pickup Bedliner w/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 w/AT4 Logo (LPO)
- 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 Prem Floor Liners w/Removable Carpet Insert
- Front reading lights
- HD Surround Vision
- Heated steering wheel
- Illuminated entry
- Lane Keep Assist w/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 Prem Floor Liners w/Removable Carpet Insert
- Rear reading lights
- Rear seat center armrest
- Safety Alert Seat
- Tachometer
- Telescoping steering wheel
- Tilt steering wheel
- Trailer Camera Provisions
- Trailer Side Blind Zone Alert
- Trip computer
- Ultrasonic Front & Rear Park Assist
- Voltmeter
- Wi-Fi Hotspot Capable
- Wireless Apple CarPlay/Wireless Android Auto
- Wireless Charging
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Front Bucket Seats
- Front Center Armrest
- Heated 2nd Row Outboard Seats
- 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
- Hitch Guidance
- Hitch View
- In-Vehicle Trailering System App
- Integrated Trailer Brake Controller
- Red Recovery Hooks
- Alloy wheels
- Wheel Locks (Set of 4) (LPO)
- Wheels: 20" x 9" Machined Aluminum
- Deep-Tinted Glass
- Front Rain-Sensing Wipers
- Power Sliding Rear Window w/Rear Defogger
- Rain sensing wipers
- Variably intermittent wipers
- 3.23 Rear Axle Ratio
- Tow Package
- Nav Navi GPS Navigation
- 4WD 4 Wheel Drive
- Heated Seats
- Leather
- Rearview Back Up Camera
- Clean Carfax
- Remote Start
- Sunroof Moonroof
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
Dealer Notes
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