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2025 GMC Sierra HD Features & Specs

From the hardworking Pro and the well-equipped SLT to the off-road ready AT4 and the luxurious Denali Ultimate, there’s a 2025 GMC Sierra HD trim ready to help you take on whatever lies ahead. Stay informed and in command using the numerous innovative amenities available in the 2025 Sierra HD lineup. An available tablet-style touchscreen is the customizable centerpiece of the Sierra HD cabin, while the available multicolor 15″ diagonal Head-Up Display can project key information directly onto your windshield. Control and customize important vehicle, driving and infotainment content in high-resolution clarity with Sierra HD’s available 12.3″ diagonal digital Driver Information Center. It’s time to reach the full potential of every adventure, using the tech-savvy features found within the 2025 GMC Sierra HD lineup of pickups.

New 2025 GMC Sierra HD Duluth GA

Numerous engine and transmission options help create a Sierra HD built for your mission. Available performance features include:

  • Skid plates
  • Autotrac® 2-speed transfer case
  • Integrated Power Take-Off (PTO)
  • 6.6L Duramax Turbo-Diesel V8 engine
  • And more

2025 GMC Sierra HD cabs go a long ways towards making every journey a first-class adventure. Available interior features include:

  • Front bucket seats
  • All-weather floor liners
  • Bose® Premium Series audio
  • Dual-zone automatic climate control
  • And more
2025 GMC Sierra HD Duluth GA
New 2025 Sierra HD Duluth GA

Stand out everywhere with the iconic grille and front-end design of the 2025 GMC Sierra HD. Available exterior features include:

  • Black Sport steps
  • Cargo bed LED lighting
  • GMC MultiPro Tailgate
  • 20″ machined aluminum wheels
  • And more

2025 Sierra HD Gallery

2025 Sierra HD Trims

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*Starting MSRP. MSRP excludes tax, title, license, dealer fees and optional equipment. See dealer for details.

Hendrick Vehicle Disclaimer:
$949.00 Dealer Administrative Charge included in advertised price.

All prices exclude all taxes, tag, title, registration fees and government fees. Out of state buyers are responsible for all taxes and government fees and title/registration fees in the state where the vehicle will be registered. All prices include all manufacturer to dealer incentives, which the dealer retains unless otherwise specifically provided. Dealer not responsible for errors and omissions; all offers subject to change without notice; please confirm listings with dealer.

All vehicles may not be physically located at this dealership but may be available for delivery through this location. Transportation charges may apply. Please contact the dealership for more specific information. All vehicles are subject to prior sale.

Additional Disclaimers:

Well-qualified customers who purchase a new, used, or certified pre-owned vehicle, 4 model years or newer with less than 60K miles between September 1, 2026 and November 2, 2026, and finance through a participating dealer and lender have the option to defer monthly payments for 120 days from contract date. Excludes Hendrick Performance vehicles. Finance charges begin to accrue on the date you sign the Retail Installment Sale Contract at the Annual Percentage Rate (APR) disclosed in the contract. May not be combined with other preferred lender financing offers. 75 months maximum term limit. Equal monthly payments only. Not available to Pennsylvania residents; see your dealer for details. Must take retail delivery by November 2, 2026. See dealer for complete down payment and interest rate options and details. Financing available to qualified buyers. Some exclusions apply. See dealer for complete details. 

*Offer includes all dealer discounts and OEM incentives. Offer does not include tax, tag, title, fees, and other dealer installed options. Discount varies by model and stock number. See dealer for details. Take retail delivery by 9/30/26. **Monthly payment is $16.67 for every $1,000 you finance. Average example down payment is 10.3%. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 9/30/26. Deferred monthly payments for 122 days. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 9/30/26.

*Offer includes all dealer discounts and OEM incentives. Offer does not include tax, tag, title, fees, and other dealer installed options. Discount varies by model and stock number. See dealer for details. Take retail delivery by 9/30/26. **Monthly payment is $17.48 for every $1,000 you finance. Average example down payment is 17.6%. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 9/30/26. Deferred monthly payments for 122 days. Excludes residents of PA. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 9/30/26.

*Offer includes all dealer discounts and OEM incentives. Offer does not include tax, tag, title, fees, and other dealer installed options. Discount varies by model and stock number. See dealer for details. Take retail delivery by 9/30/26. **Well-qualified customers who purchase a new, used, or certified pre-owned vehicle, 4 model years or newer with less than 60K miles between September 1, 2026 and November 2, 2026, and finance through a participating dealer and lender have the option to defer monthly payments for 120 days from contract date. Excludes Hendrick Performance vehicles. Finance charges begin to accrue on the date you sign the Retail Installment Sale Contract at the Annual Percentage Rate (APR) disclosed in the contract. May not be combined with other preferred lender financing offers. 75 months maximum term limit. Equal monthly payments only. Not available to Pennsylvania residents; see your dealer for details. Must take retail delivery by November 2, 2026. See dealer for complete down payment and interest rate options and details. Financing available to qualified buyers. Some exclusions apply. See dealer for complete details.

*Offer includes all dealer discounts and OEM incentives. Offer does not include tax, tag, title, fees, and other dealer installed options. Discount varies by model and stock number. See dealer for details. Take retail delivery by 9/30/26. **HUMMER EV is available from a GMC EV dealer. Length of contract 36 months. Monthly payment is $28.16 for every $1,000 you finance. Average example down payment is 9.2%. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 9/30/26. ***Well-qualified customers who purchase a new, used, or certified pre-owned vehicle, 4 model years or newer with less than 60K miles between September 1, 2026 and November 2, 2026, and finance through a participating dealer and lender have the option to defer monthly payments for 120 days from contract date. Excludes Hendrick Performance vehicles. Finance charges begin to accrue on the date you sign the Retail Installment Sale Contract at the Annual Percentage Rate (APR) disclosed in the contract. May not be combined with other preferred lender financing offers. 75 months maximum term limit. Equal monthly payments only. Not available to Pennsylvania residents; see your dealer for details. Must take retail delivery by November 2, 2026. See dealer for complete down payment and interest rate options and details. Financing available to qualified buyers. Some exclusions apply. See dealer for complete details.

*Please see dealer for details.

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Rick Hendrick Buick GMC 33.96028, -84.11863.