Prices starting at: $47,000

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

Visit Classic Buick 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 TEXARKANA 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 AT4

  • MSRP$90,055
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Sterling 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$89,560
  • Classic Discount$4,478
  • Classic Price$85,082
  • Offers$1,000
  • Final Price$84,082
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Summit White, 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$91,205
  • Offers$1,000
  • Final Price$90,205
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$90,560
  • Offers$1,000
  • Final Price$89,560
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Jet Black with Kalahari accents, Perforated Front
View Details
2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD AT4

  • MSRP$91,055
  • Offers$1,000
  • Final Price$90,055
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Jet Black with Kalahari accents, Perforated Front
View Details
2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD AT4

  • MSRP$91,055
  • Offers$1,000
  • Final Price$90,055
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Sterling Metallic, Interior Color: Jet Black with Kalahari accents, Perforated Front
View Details
2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD AT4

  • MSRP$90,055
  • Classic Discount$2,702
  • Classic Price$87,353
  • Offers$1,000
  • Final Price$86,353
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 Denali Ultimate

Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Glacier White Tricoat, Interior Color: Alpine Umber, Full Grain Leather seat trim
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2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD Pro

  • MSRP$57,460
  • Classic Discount$1,149
  • Classic Price$56,311
  • Offers$1,000
  • Final Price$55,311
Engine: 6.6L V8 Gas engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Jet Black, Vinyl seat trim
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2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD SLT

  • MSRP$83,225
  • Classic Discount$2,497
  • Classic Price$80,728
  • Offers$3,500
  • Final Price$77,228
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Dark Walnut/Slate, Perforated Leather-appointed fr
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View All New GMC Sierra 2500 HD
2022 GMC Sierra 2500 HD Truck

2022 GMC Sierra 2500 HD AT4

  • Value Price$46,900
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Mileage: 115,999 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 Denali Ultimate

  • Value Price$79,579
Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Mileage: 33,799 miles, Exterior Color: Sterling Metallic, Interior Color: Alpine Umber, Full Grain Leather seat trim
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2020 GMC Sierra 2500 HD Truck

2020 GMC Sierra 2500 HD AT4

  • Value Price$53,900
Engine: 6.6L Engine: V8 DuraMax Diesel, Turbo, Transmission: Automatic, Mileage: 59,690 miles, Exterior Color: Summit White, Interior Color: JET BLACK WITH KALAHARI ACCENTS, PERFORATED LEATHE
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View All Pre-Owned GMC Sierra 2500 HD

GMC (1)

Sierra 2500 HD Truck (4)

2026

Manufacturer Offer

No Monthly Payments Until Next Year 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

No Monthly Payments Until Next Year for Well-Qualified Buyers When Financed w/ GM Financial

Disclaimer(s)
  • Deferred monthly payments until 2027. Finance charges accrue from date of financing. Must finance with GM Financial. Down payment required at signing, if applicable. Offer not available in PA. Some customers may not qualify. Not available with lease and some other offers. 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%. This is a standalone APR incentive program and not available with lease and some other offers. Must take new retail delivery by 11/02/2026. 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. 5.9% APR for a term of 60 months corresponds to a monthly cost of $19.29 per $1000 financed. 6.9% APR for a term of 72 months corresponds to a monthly cost of $17 per $1000 financed. 6.9% APR for a term of 75 months corresponds to a monthly cost of $16.45 per $1000 financed. 6.9% APR for a term of 84 months corresponds to a monthly cost of $15.04 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

No Monthly Payments Until Next Year 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

No Monthly Payments Until Next Year for Well-Qualified Buyers When Financed w/ GM Financial

Disclaimer(s)
  • Deferred monthly payments until 2027. Finance charges accrue from date of financing. Must finance with GM Financial. Down payment required at signing, if applicable. Offer not available in PA. Some customers may not qualify. Not available with lease and some other offers. APR for for well-qualified buyers when financed w/GM Financial. Monthly payment is for every $1000 you finance. Average example down payment is . Not available with leases and some other offers. Must take new retail delivery by 11/02/2026. 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. 5.9% APR for a term of 60 months corresponds to a monthly cost of $19.29 per $1000 financed. 6.9% APR for a term of 72 months corresponds to a monthly cost of $17 per $1000 financed. 6.9% APR for a term of 75 months corresponds to a monthly cost of $16.45 per $1000 financed. 6.9% APR for a term of 84 months corresponds to a monthly cost of $15.04 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. $3,500 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 11/02/2026. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

Purchase Allowance

  1. $1,000 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 11/02/2026. (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