Bellamy Strickland Chevrolet Buick GMC

145 Industrial Blvd McDonough, GA 30253

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2025 GMC Sierra HD OVERVIEW Overview Icon

2025 GMC Sierra HD in McDonough

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  • 12.3" diagonal color Driver Information Center
  • Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm) (STD)
  • 18" machined aluminum wheels with Dark Grey metallic accents
  • Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
2025 GMC Sierra HD Main Img

At Bellamy Strickland Chevy Buick GMC near McDonough offering you the best service when it comes to buying or leasing a new or used vehicle is our top priority. Our committed and courteous sales staff are here for you when you’re ready to find your next vehicle. Regardless of what brings you in, our team will have you driving off the lot in style and comfort. Take the 2025 GMC Sierra HD out for a test drive and find out what you were missing.

2025 GMC Sierra HD MODELS

  • Sierra HD PRO

    Sierra HD PRO

  • Sierra HD SLE

    Sierra HD SLE

  • Sierra HD SLT

    Sierra HD SLT

  • Sierra HD AT4

    Sierra HD AT4

  • Sierra HD DENALI

    Sierra HD DENALI

  • Sierra HD AT4X

    Sierra HD AT4X

  • Sierra HD DENALI ULTIMATE

    Sierra HD DENALI ULTIMATE

GMC Sierra HD Dealer in McDonough

2025 GMC Sierra HD PERFORMANCE Performance Icon

2025 GMC Sierra HD performance

DURAMAX 6.6L TURBO-DIESEL V8 ENGINE

Sierra Heavy Duty’s available Duramax 6.6L Turbo-Diesel V8 engine features an efficient turbocharger and Allison 10-speed automatic transmission.

2025 GMC Sierra HD performance

ADVANCED TRAILERING TECH

The 2025 Sierra Heavy Duty offers more trailering-assistance technologies than any competitor in its class, so you can trailer with confidence.

2025 GMC Sierra HD APPEARANCE Appearance Icon

2025 GMC Sierra HD Appearance Main Img
2025 GMC Sierra HD appearance

BOLD FRONT END

Stand out everywhere you go with GMC Sierra HD Denali’s iconic chrome grille, front bumper and fascia.

2025 GMC Sierra HD appearance

SIX-FUNCTION MULTIPRO TAILGATE

The powerfully innovative available MultiPro Tailgate combines six convenient functions to help make light work of almost any job in your work truck.

2025 GMC Sierra HD appearance

LED PROJECTOR HEADLAMPS AND SIGNATURE LIGHTING

LED projector headlamps with striking animated sequences help enhance Sierra Heavy Duty’s impressive exterior design.

Here at Bellamy Strickland Chevy Buick GMC, we want our customers to feel reassured that our team has their best interests in mind when buying your next vehicle. We have all the tools necessary to find the best vehicle for all your needs. Don’t have time to make it to our dealership? Check out all of the helpful tools we offer on our website to make your car buying experience quick and easy. Search and compare models, get a trade in value and you can even apply for financing with just a few clicks. Our Bellamy Strickland Chevy Buick GMC dealership near McDonough always has deals going on with all of our models such as the amazing 2025 GMC Sierra HD. Visit us today and experience everything this vehicle has to offer.

2025 GMC Sierra HD COMFORT Comfort Icon

2025 GMC Sierra HD comfort

LUXURIOUS MATERIALS

Sierra HD Denali Ultimate’s Alpine Umber interior features full-grain leather seating, plaited contrast stitching, and embossed and laser-etched topographical map patterns of Mt. Denali’s summit.

2025 GMC Sierra HD comfort

16-WAY POWER FRONT SEATS WITH MASSAGING FEATURE

Experience serious comfort in Sierra Heavy Duty’s available best-in-class* 16-way power front seats with massaging feature.

2025 GMC Sierra HD comfort

SPACIOUS CABIN

The Sierra Heavy Duty truck features best-in-class Crew Cab front head and leg room.*

2025 GMC Sierra HD comfort

15" DIAGONAL MULTICOLOR HEAD-UP DISPLAY

The available 15" diagonal Head-Up Display helps keep important information like speed and alerts in clear view.

2025 GMC Sierra HD SAFETY & WARRANTY Safety Icon

PRO GRADE PROTECTION

Standard on every new GMC - GMC Pro Grade Protection has you truly protected with features and services including:

  • 3-year / 36,000-mile Bumper-to-Bumper Limited Warranty
  • 5-year / 60,000-mile Powertrain Limited Warranty
  • 5-year / 60,000-mile Roadside Assistance & Courtesy Transportation
  • 3-year / 36,000-mile Corrosion Protection
  • 6-year / 100,000-mile Rust-Through Protection
  • First maintenance visit
2025 GMC Sierra HD Safety Main Img
2025 GMC Sierra HD safety

FORWARD COLLISION ALERT

Forward Collision Alert can warn you if it detects a potential front-end collision with a vehicle you’re following so you can quickly take action. It can also provide a tailgating alert if you’re following a vehicle much too closely.

2025 GMC Sierra HD safety

FRONT AND REAR PARK ASSIST

Front and Rear Park Assist* can provide distance alerts to nearby detected objects in front of or behind your vehicle to help you park and avoid collisions at low speeds.

2025 GMC Sierra HD safety

LANE CHANGE ALERT WITH SIDE BLIND ZONE ALERT*

Lane Change Alert with Side Blind Zone Alert can provide side-mirror visual alerts when a detected moving vehicle is quickly approaching or is in your side blind zone. It can help you avoid lane change collisions.

Our Bellamy Strickland Chevy Buick GMC dealership near McDonough offers a wide selection of new and used cars for you to choose. Looking for something unique and exciting, then look no further than the 2025 GMC Sierra HD which will leave you breathless. Our customers trust us and always return to our dealership for their next vehicle purchase because here at Bellamy Strickland Chevy Buick GMC we always put our customers first, no matter the reason for your visit we will treat you like family, and you will be taken care of to the full extent. We look forward to getting you into your dream car today!

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