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Description

2025

63,623 miles

Allison 10-Speed Shiftable Automatic

Diesel (B20 capable)

2025 GMC Sierra 2500HD AT4 Crew Cab 4WD – 63,623 Miles | White | Northlake Auto Covington Take on serious towing, hauling, and everyday driving with this 2025 GMC Sierra 2500HD AT4 Crew Cab 4WD. With 63,623 miles, a powerful 6.6L Duramax turbo-diesel V8, four-wheel drive, and the rugged AT4 package, this Sierra is built for buyers who need heavy-duty capability without giving up comfort and premium features. Vehicle Highlights 6.6L Duramax Turbo-Diesel V8 Automatic transmission 4WD / Four-Wheel Drive AT4 Crew Cab Standard pickup bed 63,623 miles White exterior Black interior Navigation system Heated steering wheel Remote start Smart key/keyless entry Trailer hitch Trailer wiring Trailer brake controller Bed liner Skid plate Locking differential Premium AT4 styling and capability The GMC Sierra 2500HD AT4 combines heavy-duty truck strength with a comfortable Crew Cab interior and advanced technology. The Duramax diesel provides the torque and capability serious truck owners are looking for, while the AT4 configuration adds off-road-ready equipment and a distinctive GMC appearance. If you're searching for a used GMC Sierra 2500HD in Covington, LA, a 2025 GMC Sierra 2500HD for sale, or a diesel 4WD truck near Mandeville, Hammond, Slidell, or New Orleans, this AT4 is worth a close look. Visit Northlake Auto Covington today to see this 2025 GMC Sierra 2500HD AT4 in person, take it for a test drive, and ask about available financing options. Northlake Auto Covington — Quality Used Cars, Trucks & SUVs at Competitive Prices.

Features & Equipment

Entertainment and Technology

Telematics

Driver assistance app - roadside assistance

Electronic messaging assistance - voice operated

Hands-free phone call integration - voice operated

Navigation data - real time traffic

Navigation system - touch screen display

Satellite communications - OnStar

Smart device app compatibility - Amazon Alexa

Smart device app function - engine start/cabin preconditioning

Wi-Fi - hotspot

Wireless data link - Bluetooth

Audio System

Antenna type - diversity

Auxiliary audio input - Bluetooth

Premium brand - Bose

Radio - AM/FM

Radio data system

Satellite radio - SiriusXM

Speed sensitive volume control

Subwoofer - 1

Total speakers - 6

In Car Entertainment

Connected in-car apps - app marketplace integration

Infotainment - GMC Infotainment System

Infotainment screen size - 13.4 in.

Smartphone integration - wireless Android Auto

Exterior

Exterior Features

Bumper detail - rear integrated corner step

Door handle color - body-color

Exhaust tip color - stainless steel

Fender lip moldings - black

Front bumper color - body-color

Grille color - black

Hood scoop

Mirror color - black

Pickup bed light - LED

Pickup bed liner - spray-on

Rear bumper color - body-color

Skid plate(s) - front

Tailgate - lift assist

Window trim - black

Lights

Daytime running lights - LED

Exterior entry lights - approach lamps

Front fog lights - LED

Headlights - auto delay off

Taillights - LED

Wheels and Tires

Spare tire mount location - underbody

Spare tire size - full-size

Spare wheel type - steel

Tire Pressure Monitoring System

Wheels - painted aluminum alloy

Windows

Front wipers - rain sensing

Power windows - safety reverse

Tinted glass

Window defogger - rear

Mirrors

Side mirror adjustments - power

Side mirrors - auto-dimming

Towing mirrors

Interior

Convenience Features

Adaptive cruise control

Adaptive stop and go cruise control - semi-automatic

Assist handle - front

Capless fuel filler system

Center console - front console with armrest and storage

Cupholders - front

Easy entry - power driver seat

Memorized settings - 2 driver

Multi-function remote - panic alarm

One-touch windows - 4

Overhead console - front

Power outlet(s) - 115V cargo area

Power steering - hydraulic variable assist

Power windows - lockout button

Push-button start

Reading lights - front

Rearview mirror - auto-dimming

Remote engine start/cabin preconditioning

Steering wheel - tilt and telescopic

Steering wheel mounted controls - audio

Storage - door pockets

Vanity mirrors - dual illuminating

Wireless charging station - front

Instrumentation

Clock

Compass

Customizable instrument cluster

Digital odometer

External temperature display

Fuel economy display - MPG

Gauge - oil pressure

Instrument cluster screen size - 12.3 in.

Multi-function display

Powertrain hour meter

Trip odometer

Warnings and reminders - coolant temperature warning

Seats

Driver seat - heated

Driver seat power adjustments - 10

Front headrests - 2

Front seat type - bucket

Passenger seat - heated

Passenger seat power adjustments - 10

Rear headrests - 3

Rear seat - heated

Rear seat folding - folds up

Rear seat type - 60-40 split bench

Upholstery - leather-trimmed

Upholstery accents - perforated

Comfort Features

Armrests - rear center with cupholders

Center console trim - leather

Floor mat material - rubber/vinyl

Floor material - carpet

Floor mats - front

Heated steering wheel

Steering wheel trim - leatherette

Air Conditioning

Air filtration

Front air conditioning - automatic climate control

Front air conditioning zones - dual

Rear vents - second row

Performance

Suspension

Front shock type - twin-tube gas

Front spring type - torsion bars

Front stabilizer bar - diameter 35 mm

Front suspension classification - independent

Front suspension type - upper and lower control arms

Rear shock type - twin-tube gas

Rear spring type - leaf

Rear suspension classification - solid live axle

Rear suspension type - multi-leaf

Tuned suspension - off-road

Powertrain

4WD selector - electronic hi-lo

4WD type - part time w/ on demand setting

Alternator - 170 amps

Auxiliary oil cooler

Auxiliary transmission fluid cooler

Battery - heavy duty

Battery rating - 720 CCA

Battery saver

Locking differential - rear

Towing and Hauling

Pickup bed cargo management - tie-down anchors

Tow hooks - front

Tow/Haul mode

Trailer brake controller

Trailer hitch

Trailer wiring - 4-pin

Safety and Security

Safety

Automatic emergency braking - front

Blind spot safety - sensor/alert

Camera system - cargo area

Camera system washer - front

Check rear seat reminder

Child safety door locks

Child seat anchors - LATCH system

Cross traffic alert - rear

Lane deviation sensors

Parking sensors - front

Pre-collision warning system - audible warning

Programmable safety key

Rearview monitor - in dash

Brakes

ABS - 4-wheel

Braking assist

Electronic brakeforce distribution

Electronic parking brake - auto off

Front brake type - ventilated disc

Power brakes

Rear brake type - ventilated disc

Stability and Traction

Hill holder control

Off-road driving assist - hill descent

Roll stability control

Stability control

Traction control

Trailer stability control

Seatbelts

Emergency locking retractors - front

Front seatbelts - 3-point

Rear seatbelts - 3-point

Seatbelt pretensioners - front

Seatbelt warning sensor - front

Airbags

Airbag deactivation - occupant sensing passenger

Front airbags - dual

Side airbags - front

Side curtain airbags - front

Security

Anti-theft system - alarm

Power door locks - anti-lockout

2025 GMC Sierra 2500HD AT4

$62,936

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Vehicle Overview

Colors

Description

Features & Equipment

Entertainment and Technology

Telematics

Audio System

In Car Entertainment

Exterior

Exterior Features

Lights

Wheels and Tires

Windows

Mirrors

Interior

Convenience Features

Instrumentation

Seats

Comfort Features

Air Conditioning

Performance

Suspension

Powertrain

Towing and Hauling

Safety and Security

Safety

Brakes

Stability and Traction

Seatbelts

Airbags

Security

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Dealership Location

Auto Group South

2025 GMC Sierra 2500HD AT4