Prices starting at: $46,300

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Learn More About Buying a 2025 GMC Sierra 2500 HD in DALLAS

Visit GATEWAY GMC for a great deal on a new 2025 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 2025 GMC Sierra 2500 HD cars and a helpful sales team. Stop by our car dealership today and take a 2025 GMC for a spin.

2025 GMC Sierra 2500 HD Truck

2025 GMC Sierra 2500 HD SLE

  • MSRP$75,670
  • Dealer Discount$8,000
  • Featured Price$67,670
  • Offers$1,000
  • Final Price$66,670
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Jet Black, Cloth seat trim
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2025 GMC Sierra 2500 HD Truck

2025 GMC Sierra 2500 HD SLE

  • MSRP$76,225
  • Dealer Discount$8,000
  • Featured Price$68,225
  • Offers$1,000
  • Final Price$67,225
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Jet Black, Cloth seat trim
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2025 GMC Sierra 2500 HD Truck

2025 GMC Sierra 2500 HD SLE

  • MSRP$76,710
  • Dealer Discount$8,000
  • Featured Price$68,710
  • Offers$1,000
  • Final Price$67,710
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Dark Walnut/Slate, Cloth seat trim
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2025 GMC Sierra 2500 HD Truck

2025 GMC Sierra 2500 HD SLE

  • MSRP$76,720
  • Dealer Discount$8,000
  • Featured Price$68,720
  • Offers$1,000
  • Final Price$67,720
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Sterling Metallic, Interior Color: Jet Black, Cloth seat trim
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2025 GMC Sierra 2500 HD Truck

2025 GMC Sierra 2500 HD SLE

  • MSRP$77,050
  • Dealer Discount$8,000
  • Featured Price$69,050
  • Offers$1,000
  • Final Price$68,050
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Jet Black, Cloth seat trim
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2025 GMC Sierra 2500 HD Truck

2025 GMC Sierra 2500 HD SLT

  • MSRP$82,484
  • Dealer Discount$10,000
  • Featured Price$72,484
  • Offers$1,000
  • Final Price$71,484
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Jet Black, Perforated Leather-appointed front outb
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2025 GMC Sierra 2500 HD Truck

2025 GMC Sierra 2500 HD SLT

  • MSRP$82,650
  • Dealer Discount$10,000
  • Featured Price$72,650
  • Offers$1,000
  • Final Price$71,650
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Jet Black, Perforated Leather-appointed front outb
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2025 GMC Sierra 2500 HD Truck

2025 GMC Sierra 2500 HD SLT

  • MSRP$83,145
  • Dealer Discount$10,000
  • Featured Price$73,145
  • Offers$1,000
  • Final Price$72,145
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Sterling Metallic, Interior Color: Jet Black, Perforated Leather-appointed front outb
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2025 GMC Sierra 2500 HD Truck

2025 GMC Sierra 2500 HD SLT

  • MSRP$84,040
  • Dealer Discount$10,000
  • Featured Price$74,040
  • Offers$1,000
  • Final Price$73,040
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Jet Black, Perforated Leather-appointed front outb
View Details
2025 GMC Sierra 2500 HD Truck

2025 GMC Sierra 2500 HD SLT

  • MSRP$84,535
  • Dealer Discount$10,000
  • Featured Price$74,535
  • Offers$1,000
  • Final Price$73,535
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Sterling Metallic, Interior Color: Jet Black, Perforated Leather-appointed front outb
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View All New GMC Sierra 2500 HD
2024 GMC Sierra 2500 HD Truck

2024 GMC Sierra 2500 HD Denali Ultimate

  • Price$77,967
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Mileage: 40,588 miles, Exterior Color: Onyx Black, Interior Color: Alpine Umber, Full Grain Leather seat trim
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View All Pre-Owned GMC Sierra 2500 HD

GMC (1)

Sierra 2500 HD Truck (5)

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 11/03/2025. 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

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 11/03/2025. (See Trims)
  • See State Disclaimer *

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 2500 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

Bonus Cash

  1. $1,000 Cash
  • Applies to this new 2025 GMC Sierra 2500 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 2500 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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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