Prices starting at: $47,500

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Learn More About Buying a 2025 GMC Sierra 3500 HD in San Antonio

Visit South San Antonio Buick GMC for a great deal on a new 2025 GMC Sierra 3500 HD. Our sales team is ready to show you all of the features that you will find in the GMC Sierra 3500 HD and take you for a test drive in the San Antonio Area. At our GMC dealership you will find competitive prices, a stocked inventory of 2025 GMC Sierra 3500 HD cars and a helpful sales team. Stop by our car dealership today and take a 2025 GMC for a spin.

2025 GMC Sierra 3500 HD Truck

2025 GMC Sierra 3500 HD Denali DRW

  • MSRP$93,560
  • Offers$8,000
  • Your Sale Price$85,560
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Jet Black, Forge Perforated Leather seating surfac
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2026 GMC Sierra 3500 HD Truck

2026 GMC Sierra 3500 HD Denali Ultimate

  • MSRP$106,050
  • Offers$500
  • Your Sale Price$105,550
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Glacier White Tricoat, Interior Color: Alpine Umber, Full Grain Leather seating surfaces
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View All New GMC Sierra 3500 HD
2023 GMC Sierra 3500 HD Truck Crew Cab

2023 GMC Sierra 3500 HD Denali

  • South San Antonio PricePlease Call
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Mileage: 44,251 miles, Exterior Color: Quicksilver Metallic, Interior Color: Dark Walnut/Dark Ash Grey, Forge Perforated Leathe
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2024 GMC Sierra 3500 HD Truck Crew Cab

2024 GMC Sierra 3500 HD Denali DRW

  • South San Antonio Price$75,397
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Mileage: 46,817 miles, Exterior Color: Titanium Rush Metallic, Interior Color: Jet Black, Forge Perforated Leather seating surfac
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2024 GMC Sierra 3500 HD Truck Crew Cab

2024 GMC Sierra 3500 HD Denali

  • South San Antonio Price$78,840
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Mileage: 48,031 miles, Exterior Color: Onyx Black, Interior Color: Jet Black, Forge Perforated Leather seating surfac
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View All Pre-Owned GMC Sierra 3500 HD

GMC (1)

Sierra 3500 HD Truck (4)

2025

Manufacturer Offer

For Well-Qualified Buyers When Financed w/ GM Financial

  1. 3.9% APR for 36 months
  2. 3.9% APR for 48 months
  3. 4.9% APR for 60 months
  4. 5.9% APR for 72 months
  • Applies to this new 2025 GMC Sierra 3500 HD

For Well-Qualified Buyers When Financed w/ GM Financial

Disclaimer(s)
  • 3.9% APR for 48 months for well-qualified buyers when financed w/GM Financial. Monthly payment is $22.53 for every $1000 you finance. Average example down payment is 11.7%. Not available with leases and some other offers. Must take new retail delivery by 11/03/2025. Truth in Lending Act Disclosure: Down payment will vary with APR and credit. For example, 3.9% APR with $2,500 down payment provides for 48 monthly payments of $22.53 per $1000 financed for qualified buyers. 3.9% APR for a term of 36 months corresponds to a monthly cost of $29.48 per $1000 financed. 5.9% APR for a term of 84 months corresponds to a monthly cost of $14.56 per $1000 financed. 5.9% APR for a term of 72 months corresponds to a monthly cost of $16.53 per $1000 financed. 4.9% APR for a term of 60 months corresponds to a monthly cost of $18.83 per $1000 financed. The rates described are for estimation purposes only; you may not be able to finance at this rate. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

Dealer Discount

  1. $6,000 Cash
  • Applies to this new 2025 GMC Sierra 3500 HD

Disclaimer(s)
  • Dealer Discount (See Trims)
  • See State Disclaimer *
Manufacturer Offer

Bonus Cash

  1. $1,000 Cash
  • Applies to this new 2025 GMC Sierra 3500 HD

Disclaimer(s)
  • Not available with some other offers. Must take new retail delivery by 11/03/2025. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

Purchase Allowance

  1. $1,000 Cash
  • Applies to this new 2025 GMC Sierra 3500 HD

Disclaimer(s)
  • Not available with special financing, lease and some other offers. Must take new retail delivery by 11/03/2025. (See Trims)
  • See State Disclaimer *

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*Market Price Adjustment: The price has been adjusted to reflect current supply and demand market conditions. The market adjustment is in addition to MSRP. While great effort is made to ensure the information listed on our website is correct and accurate, there may be instances where OEM rebates, incentives, dealer-added options, dealer discounts, or vehicle features might be listed incorrectly as we get information from multiple data providers. The consumer must confirm the details of any vehicle (such as what factory rebates you may or may not qualify for) with the dealer to ensure its accuracy. All vehicles are subject to prior sale. All prices are with approved credit or cash purchase and do not include bank fees that may apply to special financing. Advertised prices and availability are subject to change without notice. Please call and verify the details and availability of the vehicle. Price includes rebates, incentives, and dealer discounts. Tax, title, license & dealer fees are not included. It may not be available with special finance or lease offers. See the dealer for complete details. The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees, and optional equipment. The dealer sets the final price.