Used 2024 GMC Sierra 2500HD AT4 in Killeen, TX

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Killeen Certified Price
$64,888
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Vehicle Details
Mileage 63,605
Trim AT4
Stock # RF267376
VIN 1GT49PEY6RF267376
Exterior Color Thunderstorm Gray
Interior Color Jet Black With Kalahari Accents
Fuel Economy
Doors 4
Passengers 5
Engine Duramax 6.6L V8 Turbodiesel
Transmission 10-Speed Automatic
Drivetrain 4WD
Carfax One Owner

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2024 GMC Sierra 2500HD AT4

Used 2024 GMC Sierra 2500HD AT4

Mileage: 63,605

Killeen Certified Price
$64,888

Description

NOW AVALIBLE AT KILLEEN CERTIFIED!!!!!This 2024 GMC Sierra 2500HD AT4 is a true workhorse, packed with premium features that elevate both its capability and comfort. Equipped with the powerful Duramax 6.6L V8 Turbodiesel engine, this truck delivers an impressive 470 horsepower and an...
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Additional Vehicle Information

  • Features
  • Specs

Features

Features

  • Technology
  • Safety
  • Exterior
  • Comfort
  • Mechanical
  • Interior

Technology

Instrumentation

Warnings and reminders low battery, lamp failure, low oil pressure, coolant temperature warning, low fuel level, maintenance due
Customizable instrument cluster
Instrument cluster screen size 12.3 in.
Clock
Powertrain hour meter
Gauge tachometer, oil pressure
Compass
Digital odometer
External temperature display
Multi-function display
Fuel economy display MPG, range
Trip odometer

Audio System

Radio voice operated, touch screen display, AM/FM
Auxiliary audio input Bluetooth, USB, iPod/iPhone
Premium brand Bose
Antenna type diversity, mast
Subwoofer 1
Total speakers 6
Radio data system
Speed sensitive volume control
Satellite radio SiriusXM

Telematics

Electronic messaging assistance with read function, voice operated
Satellite communications voice guided directions, OnStar
Wi-Fi hotspot
Smart device app function vehicle location, maintenance status, lock operation, horn/light operation, engine start
Driver assistance app roadside assistance
Smart device app compatibility myGMC with Connected Access, Amazon Alexa
Wireless data link Bluetooth
Hands-free phone call integration voice operated
Navigation system touch screen display, voice operated
Navigation data real time traffic

In Car Entertainment

Connected in-car apps Google POIs, Google search, app marketplace integration, Google Assistant
Infotainment GMC Infotainment System, Google Built-In
Smartphone integration wireless Apple CarPlay, wireless Android Auto
Infotainment screen size 13.4 in.

Safety

Safety

Rearview monitor in dash
Cross traffic alert rear
Pre-collision warning system vibrating driver seat, audible warning, visual warning, pedestrian detection
Camera system surround view, trailer rearview, cargo area
Camera system washer front
Check rear seat reminder
Blind spot safety trailer coverage, sensor/alert
Automatic emergency braking front pedestrian, front
Child safety door locks
Child seat anchors LATCH system
Lane deviation sensors
Programmable safety key

Airbags

Airbag deactivation occupant sensing passenger
Side airbags front
Front airbags dual
Side curtain airbags front, rear

Security

Anti-theft system alarm, vehicle immobilizer
Power door locks anti-lockout, auto-locking

Mirrors

Side mirrors integrated turn signals, heated, auto-dimming
Side mirror adjustments power, reverse gear tilt, power folding, power telescoping
Towing mirrors

Exterior

Lights

Daytime running lights LED
Front fog lights LED
Taillights LED
Headlights auto high beam dimmer, LED, wiper activated, auto delay off, auto on/off
Exterior entry lights puddle lamps, approach lamps

Exterior Features

Pickup bed light LED
Tailgate power locking, power open, multi-function split-folding, removable, lift assist, step
Bumper detail rear integrated corner step
Mirror color black
Front bumper color body-color
Pickup bed liner spray-on
Door handle color body-color
Grille color black surround, black
Skid plate(s) front, rear
Exhaust tip color stainless steel
Rear bumper color body-color
Fender lip moldings black
Hood scoop
Window trim black

Tires and Rims

Tire type all terrain
Spare tire mount location underbody
Spare wheel type steel
Tire Pressure Monitoring System
Spare tire size full-size
Wheels painted aluminum alloy

Windows

Window defogger rear
Front wipers variable intermittent, rain sensing
Tinted glass
Power windows safety reverse

Comfort

Comfort Features

Steering wheel trim leatherette
Floor mat material rubber/vinyl
Heated steering wheel
Center console trim leather
Armrests rear folding, rear center with cupholders
Floor mats rear, front
Floor material carpet

Convenience Features

Wireless charging station front
Power outlet(s) USB front, USB-C front, USB rear, USB-C rear, 115V cargo area, 12V rear, 115V front
Cupholders front, rear
Memorized settings 2 driver, driver seat, side mirrors
Steering wheel tilt and telescopic
One-touch windows 4
Reading lights front, rear
Power steering variable/speed-proportional
Cruise control
Multi-function remote panic alarm, vehicle and key memory, proximity entry system
Power windows lockout button
Overhead console front
Steering wheel mounted controls audio, cruise control, phone, multi-function, voice control
Push-button start
Vanity mirrors dual illuminating
Assist handle rear, front
Remote engine start
Center console front console with armrest and storage
Rearview mirror auto-dimming
Easy entry power driver seat
Storage front seatback, under rear seats, door pockets
Capless fuel filler system

Air Conditioning

Front air conditioning automatic climate control
Front air conditioning zones dual
Rear vents second row
Air filtration

Mechanical

Stability and Traction

Off-road driving assist hill descent
Stability control
Traction control
Hill holder control
Roll stability control
Trailer stability control

Brakes

Rear brake width 1.34
Front brake width 1.57
Rear brake type ventilated disc
Rear brake diameter 14.2
Front brake diameter 14.0
Front brake type ventilated disc
Braking assist
Electronic brakeforce distribution
ABS 4-wheel
Power brakes
Electronic parking brake auto off

Drivetrain

4WD type part time w/ on demand setting
4WD selector electronic hi-lo
Axle ratio 3.73
Locking differential rear

Suspension

Front suspension classification independent
Rear suspension classification solid live axle
Rear spring type leaf
Front spring type torsion bars
Tuned suspension off-road
Rear suspension type multi-leaf
Rear shock type twin-tube gas
Front stabilizer bar diameter 35 mm
Front suspension type upper and lower control arms
Front shock type twin-tube gas

Towing and Hauling

Tow hooks front
Tow/Haul mode
Pickup bed cargo management tie-down anchors
Trailer hitch
Auxiliary transmission fluid cooler
Trailer wiring 4-pin, 7-pin
Trailer brake controller

Engine

Battery saver
Battery heavy duty, maintenance-free
Auxiliary oil cooler
Alternator 170 amps
Battery rating 720 CCA

Interior

Seats

Driver seat power adjustments height, 10, lumbar, reclining
Passenger seat power adjustments height, 10, lumbar, reclining
Driver seat ventilated, heated
Passenger seat heated, ventilated
Rear headrests 3, adjustable
Front headrests 2, adjustable
Front seat type bucket
Rear seat type 60-40 split bench
Upholstery leather-trimmed
Rear seat folding folds up
Rear seat heated
Upholstery accents perforated

Seatbelts

Seatbelt pretensioners front
Seatbelt warning sensor front
Rear seatbelts 3-point
Front seatbelts 3-point
Emergency locking retractors front

Specs

Specs

Drive Type

Drive Type 4X4
4WD Hub Type Pushbutton Hubs

Seating

Standard Seating 5
Max Seating 5
Head Room (front) 43 in
Head Room (rear) 40.1 in
Hip Room (front) 61.2 in
Hip Room (rear) 60.2 in
Shoulder Room (front) 66 in
Shoulder Room (rear) 65.3 in
Leg Room (front) 44.5 in
Leg Room (rear) 43.4 in
Seating Rows 2

Truck Specifications

Bed Length 82.2 in
Max Payload 3395 lbs

Measurements of Size & Shape

Length 250.7 in
Width 81.9 in
Width (without mirrors) 81.9 in
Height 79.8 in
Wheelbase 158.9 in
Ground Clearance 10.1 in
Track Width (front) 68.1 in
Track Width (rear) 68.3 in

Measurements of Weight

Gross Vehicle Weight Rating 10850 lbs
Gross Vehicle Weight Range 10001-14000 lbs
Curb Weight 7417 lbs
Gross Combined Weight Rating 24500 lbs
Base Towing Capacity 16000 lbs
Max Towing Capacity 17300 lbs

Performance Specifications

Turning Circle 52.7 ft

Fuel Tanks

Fuel Capacity 35.9 Gallons

Wheels and Tires

Front Tire Type LT275/65R20
Front Wheel Diameter 20.0 x 8.5 in
Rear Tire Type LT275/65R20
Rear Wheel Diameter 20.0 x 8.5 in

Awards

Award
Best CPO Value in America: Trucks (2024 Model)
- Vincentric

Award
Pickup Truck of the Year: Nominee (2024 Model)
- Cars.com

Award
Truck of the Year: Contender (2024 Model)
- Motor Trend

Crash-Test Ratings

2024 GMC Sierra 2500 PU/CC 4WD

Overall
N/A
Front Crash Overall
Full StarFull StarFull StarFull StarFull Star
Front Crash Driver
Full StarFull StarFull StarFull StarFull Star
Front Crash Passenger
Full StarFull StarFull StarFull StarEmpty Star
Side Crash Overall
Full StarFull StarFull StarFull StarFull Star
Side Barrier Overall
Full StarFull StarFull StarFull StarFull Star
Side Barrier Driver
Full StarFull StarFull StarFull StarFull Star
Side Barrier Passenger
Full StarFull StarFull StarFull StarFull Star
Side Pole Driver
Full StarFull StarFull StarFull StarFull Star
Side Combined Front
Full StarFull StarFull StarFull StarFull Star
Side Combined Rear
Full StarFull StarFull StarFull StarFull Star
Rollover
N/A

Testimonials

My car caught fire this morning and I was so distraught.

12-17-2025
Full Star Full Star Full Star Full Star Full Star

My car caught fire this morning and I was so distraught. I was referred to Jada at Killeen Certified and he took good care of me leaving in a really nice car! Im so happy and will refer others!!!

Jeffrey sold us our first ever vehicle

12-17-2025
Full Star Full Star Full Star Full Star Full Star

Jeffrey sold us our first ever vehicle and we could not have been better taken care of. This man went out of his way to not only get us to the dealership, but then to get us the car we wanted. Everyone was friendly and helpful, but Jeffrey went above and beyond. Forever grateful for this man and this dealership.

Santiago is the Man with the master plan

12-24-2025
Full Star Full Star Full Star Full Star Full Star

Santiago is the Man with the master plan

I went to trade in my vehicle and I worked with Brittney

12-31-2025
Full Star Full Star Full Star Full Star Full Star

I went to trade in my vehicle and I worked with Brittney, who was absolutely amazing. She listened to my needs and wants, and within 20 min of sitting with her, she literally found me a great car! Im very pleased with and and the overall process and experience.

Amazing, great energy staff.

12-30-2025
Full Star Full Star Full Star Full Star Full Star

Amazing, great energy staff. I was approached the second I got on the lot by a worker. Told them what car I was looking for that I seen online. They pointed me to the right direction, and we met with Shay. She was very kind and funny. She answered every question and every concern. She skipped her lunch to help work with us. She asked me if I wanted the car and told me I wasn’t leaving without it. She helped me secure one of my dream cars with the least amount of hassle I’ve ever had from a dealership. Shay handles business!! Somebody I would recommend seeing if you visit this dealership.

Had the pleasure of purchasing a new Volkswagen from Joey Loeve at Killeen Certified.

Michael Diehr
2-9-2022
Full Star Full Star Full Star Full Star Full Star

Had the pleasure of purchasing a new Volkswagen from Joey Loeve at Killeen Certified. He was extremely helpful and upfront salesman. No misinformation and hidden charges. Made my car shopping the least stressful experience I’ve had looking for a new vehicle. The team there did fantastic with my trade in and plans. Thank you.

Outstanding service by Joey Loeve!

Torry Rice
2-9-2022
Full Star Full Star Full Star Full Star Full Star

Outstanding service by Joey Loeve! Awesome salesman who tells the truth and doesn’t hound you. Great experience for our family.

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*All pricing and details are believed to be accurate, but we do not warrant or guarantee such accuracy. The prices shown above may vary from region to region, as will incentives, and are subject to change. Vehicle information is based off standard equipment and may vary from vehicle to vehicle. Call or email for complete vehicle information. All specifications, prices and equipment are subject to change without notice. Prices and payments do not include tax, titles, tags, finance charges, documentation charges, emissions testing charges, or other fees required by law, vehicle sellers or lending organizations.

Based on 2015 EPA mileage estimates, reflecting new EPA fuel economy methods beginning with 2008 models. Use for comparison purposes only. Do not compare to models before 2008. Your actual mileage will vary depending on how you drive and maintain your vehicle.

While every effort has been made to ensure display of accurate data, the vehicle listings within this website may not reflect all accurate vehicle items. Accessories and color may vary. All inventory listed is subject to prior sale. The vehicle photo displayed may be an example only. Vehicle Photos may not match exact vehicles. Please confirm vehicle price with Dealership. See Dealership for details.

*Manufacturer’s Rebate subject to residency restrictions. Any customer not meeting the residency restrictions will receive a dealer discount in the same amount of the manufacturer’s rebate.