Prices starting at: $47,000

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Learn More About Buying a 2026 GMC Sierra 2500 HD in DALLAS

Visit GATEWAY GMC for a great deal on a new 2026 GMC Sierra 2500 HD. Our sales team is ready to show you all of the features that you will find in the GMC Sierra 2500 HD and take you for a test drive in the DALLAS Area. At our GMC dealership you will find competitive prices, a stocked inventory of 2026 GMC Sierra 2500 HD cars and a helpful sales team. Stop by our car dealership today and take a 2026 GMC for a spin.

2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD SLE

  • MSRP$67,595
  • Dealer Discount$6,500
  • Featured Price$61,095
  • Offers$1,000
  • Final Price$60,095
Engine: 6.6L V8 Gas engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Jet Black, Cloth seat trim
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2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD SLE

  • MSRP$68,090
  • Dealer Discount$6,500
  • Featured Price$61,590
  • Offers$1,000
  • Final Price$60,590
Engine: 6.6L V8 Gas engine, Transmission: Automatic, Exterior Color: Coastal Dune, Interior Color: Jet Black, Cloth seat trim
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2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD Denali

  • MSRP$82,345
  • Dealer Discount$8,500
  • Featured Price$73,845
  • Offers$1,000
  • Final Price$72,845
Engine: 6.6L V8 Gas engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Jet Black, Forge Perforated Leather seat trim
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2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD AT4

  • MSRP$90,135
  • Dealer Discount$10,500
  • Featured Price$79,635
  • Offers$1,000
  • Final Price$78,635
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Coastal Dune, Interior Color: Jet Black with Kalahari accents, Perforated Front
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2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD AT4

  • MSRP$90,015
  • Dealer Discount$9,500
  • Featured Price$80,515
  • Offers$1,000
  • Final Price$79,515
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Titanium Rush Metallic, Interior Color: Jet Black with Kalahari accents, Perforated Front
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2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD AT4

  • MSRP$90,015
  • Dealer Discount$9,500
  • Featured Price$80,515
  • Offers$1,000
  • Final Price$79,515
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Jet Black with Kalahari accents, Perforated Front
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2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD AT4

  • MSRP$90,165
  • Dealer Discount$9,500
  • Featured Price$80,665
  • Offers$1,000
  • Final Price$79,665
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Volcanic Red Tintcoat, Interior Color: Jet Black with Kalahari accents, Perforated Front
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2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD AT4

  • MSRP$90,935
  • Dealer Discount$9,500
  • Featured Price$81,435
  • Offers$1,000
  • Final Price$80,435
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Coastal Dune, Interior Color: Jet Black with Kalahari accents, Perforated Front
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2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD Denali

  • MSRP$92,600
  • Dealer Discount$10,500
  • Featured Price$82,100
  • Offers$1,000
  • Final Price$81,100
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Sterling Metallic, Interior Color: Jet Black, Forge Perforated Leather seat trim
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2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD Denali

  • MSRP$92,600
  • Dealer Discount$10,500
  • Featured Price$82,100
  • Offers$1,000
  • Final Price$81,100
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Jet Black, Forge Perforated Leather seat trim
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View All New GMC Sierra 2500 HD
2024 GMC Sierra 2500 HD Truck

2024 GMC Sierra 2500 HD AT4

  • Price$68,747
Engine: 6.6L V8 Gas engine, Transmission: Automatic, Mileage: 31,912 miles, Exterior Color: Summit White, Interior Color: Jet Black with Kalahari accents, Perforated Front
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2024 GMC Sierra 2500 HD Truck

2024 GMC Sierra 2500 HD AT4

  • Price$74,877
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Mileage: 28,342 miles, Exterior Color: Summit White, Interior Color: Jet Black with Kalahari accents, Perforated Front
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2024 GMC Sierra 2500 HD Truck

2024 GMC Sierra 2500 HD AT4

  • Price$77,477
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Mileage: 19,492 miles, Exterior Color: Onyx Black, Interior Color: Jet Black with Kalahari accents, Perforated Front
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View All Pre-Owned GMC Sierra 2500 HD

GMC (1)

Sierra 2500 HD Truck (3)

2026

Manufacturer Offer

For Well-Qualified Buyers When Financed w/ GM Financial

  1. 4.9% APR for 36 months
  2. 4.9% APR for 48 months
  3. 5.9% APR for 60 months
  4. 6.9% APR for 72 months
  • Applies to this new 2026 GMC Sierra 2500 HD

For Well-Qualified Buyers When Financed w/ GM Financial

Disclaimer(s)
  • 4.9% APR for 48 months for well-qualified buyers when financed w/GM Financial. Monthly payment is $22.98 for every $1000 you finance. Average example down payment is 10.0%. Not available with leases and some other offers. Must take new retail delivery by 03/31/2026. Truth in Lending Act Disclosure: Down payment will vary with APR and credit. For example, 4.9% APR with $2,500 down payment provides for 48 monthly payments of $22.98 per $1000 financed for qualified buyers. 4.9% APR for a term of 36 months corresponds to a monthly cost of $29.93 per $1000 financed. 6.9% APR for a term of 84 months corresponds to a monthly cost of $15.04 per $1000 financed. 6.9% APR for a term of 72 months corresponds to a monthly cost of $17 per $1000 financed. 5.9% APR for a term of 60 months corresponds to a monthly cost of $19.29 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

Bonus Cash

  1. $500 Cash
  • Applies to this new 2026 GMC Sierra 2500 HD

Disclaimer(s)
  • Not available with some other offers. Must take new retail delivery by 03/31/2026. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

Purchase Allowance

  1. $500 Cash
  • Applies to this new 2026 GMC Sierra 2500 HD

Disclaimer(s)
  • Not available with special financing, lease and some other offers. Must take new retail delivery by 03/31/2026. (See Trims)
  • See State Disclaimer *

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Disclaimer: The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

1Dealer Discount applied to everyone