This rugged and capable 2024 GMC Sierra 2500HD AT4 is a true workhorse, built to handle the toughest jobs with ease. As a one-owner, non-smoker vehicle with just 43,966 miles, this Sierra is ready to take on your next adventure.
- Local trade
- Non smoker
- One owner
This Sierra 2500HD AT4 is equipped with a powerful Duramax 6.6L V8 Turbodiesel engine mated to a 10-speed automatic transmission, providing impressive power and efficiency. Key features include:
⢠Sunroof, power
⢠Technology Package with Rear Camera Mirror and Multicolor Head-Up Display
⢠Engine Block Heater
⢠AT4 Preferred Package with Universal Home Remote, Rear Sliding Power Window, Roof Marker Lamps, and Adaptive Cruise Control
⢠Trailer Tire Pressure Monitor Sensors
⢠Snow Plow Prep/Camper Package
⢠Gooseneck/5th Wheel Prep Package
The impressive list of premium features continues, including a Bose Premium 7-speaker sound system, SiriusXM with 360L, steering wheel audio controls, electric rear-window defogger, 120-volt bed-mounted power outlet, push-button start, remote vehicle starter, and more.
For your comfort and convenience, this Sierra offers heated and ventilated front seats, a heated steering wheel, dual-zone automatic climate control, and a power sunroof. The advanced technology features include wireless charging, wireless phone projection, and a multicolor head-up display.
Safety is a top priority, with features like adaptive cruise control, rear cross-traffic alert, surround vision, and an integrated trailer brake controller. The AT4 off-road package provides the capability to tackle any terrain with confidence.
This 2024 GMC Sierra 2500HD AT4 is a true workhorse, ready to take on your toughest jobs and adventures. Schedule a test drive today and experience the power and capability of this exceptional vehicle.
2024 GMC Sierra 2500HD AT4
- Used
- Diesel
Photos Coming Soon
This GMC Sierra 2500HD AT4 of is new to our inventory, but check to see if we can get you early access to photos!
Request PhotosCan’t come to us? We’ll come to you

Video walkaround
Experience this vehicle via video call and ask us any questions you have.
Schedule a video call
Test drive at home
We’ll bring this vehicle to you for a no-obligation test drive.
Request a test drive
Home delivery
We’ll deliver the vehicle you want to your home and help you complete the paperwork.
Ask about delivery
The full specifications
- 1st and 2nd row curtain head airbags
- 4-wheel ABS Brakes
- ABS and Driveline Traction Control
- Aluminum dash trim
- Aluminum/sim carbon fibre door trim
- Anti-theft alarm system
- Audio System Premium Brand : Premium GMC Infotainment System
- Audio System Premium Brand Speakers: Bose
- Audio controls on steering wheel
- Automatic front air conditioning
- Auxilliary engine cooler
- Auxilliary transmission cooler
- Black aluminum rims
- Bluetooth wireless phone connectivity
- Braking Assist
- Bucket front seats
- Chrome center console trim
- Climate Controlled : Driver and passenger heated
- Compass
- Cruise control
- Cruise controls on steering wheel
- Daytime running lights
- Driver seat memory
- Dual front air conditioning zones
- Dual illuminated vanity mirrors
- Electrochromatic auto-dimming mirrors
- Electrochromatic rearview mirror
- External temperature display
- Fold-up cushion rear seats
- Front Ventilated disc brakes
- Front and rear reading lights
- Front fog/driving lights
- Heated driver mirror
- Heated passenger mirror
- Heated steering wheel
- Leather seat upholstery
- Leatherette steering wheel trim
- Memorized Settings for 2 drivers
- Memorized Settings including door mirror(s)
- Passenger Airbag
- Power extendable trailer style exterior mirrors
- Power remote driver mirror adjustment
- Power remote passenger mirror adjustment
- Power retractable mirrors
- Power windows
- Premium GMC Infotainment System
- Privacy glass: Deep
- Rear seats center armrest
- Remote Engine Start : Keyfob remote start
- Remote activated exterior entry lights
- Remote power door locks
- Remote window operation
- Side airbag
- SiriusXM with 360L AM/FM/Satellite Radio
- SiriusXM with 360L Satellite Radio
- Speed-proportional power steering
- Split rear bench
- Stability controll with anti-roll
- Suspension class: Off-road
- Tachometer
- Tilt and telescopic steering wheel
- Tire Pressure Monitoring System: Tire specific
- Total Number of Speakers: 7
- Trailer hitch
- Trip computer
- Turn signal in mirrors
- Urethane shift knob trim
- Video Monitor Location: Front
- Wheel Diameter: 18
- Wheel Width: 8
Notes from the dealer
Peace of mind
Vehicle history report
- Title information
- Odometer readings
- Accident data (if applicable)
- Service history
- Vehicle usage
- Recall information (if applicable)
- Warranty status
A name you can trust
Riverhead Mazda is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
More about us


