Meet the 2025 GMC Sierra 1500 AT4â"a truck built for those who demand capability without compromise. This locally-traded, non-smoker vehicle arrives in striking Volcanic Red Tintcoat and delivers the rugged performance and refined comfort that defines the AT4 nameplate.
- Premium Bose 7-Speaker Sound System with SiriusXM 360L
- Rear Camera Mirror with Bed View Camera and Multicolor 15" Head-Up Display
- Heated and Ventilated Front Seats with 10-Way Power Adjustment and Lumbar Support
- All-Terrain 4WD System with Hill Descent Control and Off-Road Suspension
- Integrated Trailer Brake Controller with In-Vehicle Trailering System App
- Wireless Apple CarPlay and Android Auto with Navigation System
- Ultrasonic Front and Rear Park Assist with Rear Cross Traffic Braking
- Heated Steering Wheel and Auto-Dimming Door Mirrors
- 20" Machined Aluminum Wheels on All-Terrain Tires
- Spray-On Pickup Bedliner with GMC Logo
- Automatic Emergency Braking with Lane Keep Assist
- Wireless Charging and Dual USB Charge Ports
- Remote Vehicle Starter System with Keyless Open and Start
- Engine Block Heater for Cold Weather Reliability
- AT4 Premium Package with Off-Road High Clearance Steps
Powered by a 3.0L I6 engine paired with a 10-speed automatic transmission, this Sierra delivers 22 city and 26 highway MPG, balancing efficiency with the power you need. The 4WD system combines an off-road-tuned suspension with intelligent traction management, making it equally at home on the job site or navigating winter weather. Hill Descent Control and Auto-Locking Rear Differential give you confidence in challenging terrain.
Inside, the AT4 surrounds you with purposeful luxury. Perforated leather front bucket seats offer heating, ventilation, and power adjustment, complemented by heated rear outboard seats for passenger comfort. The Multicolor Head-Up Display keeps essential information at eye level, while the premium Bose sound system delivers clarity whether you're listening to satellite radio or your phone via wireless connectivity.
Technology on this truck puts safety and convenience at your fingertips. The HD Surround Vision system, Bed View Camera, and Rear Camera Mirror work together to enhance visibility in all situations. Automatic Emergency Braking, Lane Keep Assist, and Forward Collision Alert actively monitor the road ahead. The integrated trailer brake controller and in-vehicle trailering app transform towing into a manageable, controlled experience.
Thoughtful details set this Sierra apart. The universal home remote, power sliding rear window with defogger, and 120-volt power outletsâ"both in the cabin and truck bedâ"make this truck genuinely functional for work and life. Premium floor liners protect the cabin, while the spray-on bedliner guards your cargo area. Recovery hooks and red accents reinforce the AT4's off-road credibility.
This 2025 Sierra 1500 AT4 represents the full package: capability that doesn't sacrifice comfort, off-road competence paired with daily-driver refinement, and technology that enhances both safety and convenience. We invite you to see it in person and experience what genuine truck capability feels like.
2025 GMC Sierra 1500 AT4 Truck I6
- Used
- Diesel
- Retail Price
- $61,990
- D&H Fee
- $799
- O'Meara Ford Price
- $62,789
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The overview
- Exterior Color
- Volcanic Red
- Interior Color
- Jet Black With Kalahari Accents
- Odometer
- 5,738 miles
- Body/Seating
- Truck/5 seats
- Seats
- 5 seats
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
- Engine
- 3.0L I6
- VIN
- 3GTUUEE81SG392678
- Stock Number
- MP7543
The highlights
- 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
The full 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
Notes from the dealer
Disclaimer:
All Vehicles & Pricing: The O'Meara Sale Price includes a Dealer Handling fee of $799.00. Taxes, title, and license fees are additional. Offer eligibility is subject to credit approval (W.A.C.). Some promotions may not be available with special financing or lease offers. Pricing is based on dealer-sourced financing, OEM and dealer incentives, and rebates. Outside financing and cash payments may affect pricing. Any incomplete service may impact the final price. Pricing is subject to change. See dealer for details.
Vehicle Delivery: Delivery is available along the Colorado Front Range, from Fort Collins to Colorado Springs, with management approval. Out-of-state deliveries are not available at this time. Customers seeking out-of-state delivery must coordinate with a third-party transportation company.
Key Policy: O'Meara Ford pre-owned vehicles come with one key as standard. If multiple keys were received from the previous owner, they will be included. Additional keys and dealer-installed accessories may be purchased at the time of sale.
Important Information: Every reasonable effort has been made to ensure the accuracy of the details on this site, but absolute accuracy cannot be guaranteed. All information is presented "as is," without any express or implied warranties, including but not limited to merchantability, fitness for a particular purpose, title, or non-infringement.
Pre-Owned Vehicle Equipment Notice: The listed equipment reflects the vehicle's original configuration when sold new. Features such as satellite radio services (e.g., XM), original tires, and removable accessories (e.g., cargo nets/mats) may no longer be included.
Additional Notes:
- All vehicles are subject to prior sale.
- Prices do not include applicable taxes, title, and license fees.
- Dealer Handling (D&H) is included in the final O'Meara Sale Price.
- Used vehicles may have unrepaired manufacturer recalls. Please check the National Highway Traffic Safety Administration website for current recall information before purchasing.
For recall lookup, visit: https://www.nhtsa.gov/recalls.
