2025 GMC Sierra 2500 HD For Sale

Prices starting at: $46,300

View photos, watch videos and get a quote on a new 2025 GMC Sierra 2500 HD in KEENE, NH.

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2025 GMC Sierra 2500 HD Truck Woodland Green

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

Visit Fairfield's Buick 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 KEENE 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.

2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD AT4

MSRP$90,484
Offers$500
Fairfield Price$89,984

Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Jet Black with Kalahari accents, Perforated Front

2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD AT4

MSRP$89,610
Offers$500
Fairfield Price$89,110

Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Jet Black with Kalahari accents, Perforated Front

2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD AT4X

MSRP$98,910
Offers$500
Fairfield Price$98,410

Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Obsidian Rush, Full Grain Leather seat trim

2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD AT4X

MSRP$99,405
Offers$500
Fairfield Price$98,905

Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Sterling Metallic, Interior Color: Obsidian Rush, Full Grain Leather seat trim

2026 GMC Sierra 2500 HD AT4X

MSRP$99,405
Offers$500
Fairfield Price$98,905

Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Obsidian Rush, Full Grain Leather seat trim

2026 GMC Sierra 2500 HD Denali Ultimate

MSRP$97,640
Offers$500
Fairfield Price$97,140

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

2026 GMC Sierra 2500 HD Pro

MSRP$58,215
Offers$500
Fairfield Price$57,715

Engine: 6.6L V8 Gas engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Jet Black, Cloth seat trim

2026 GMC Sierra 2500 HD Pro

MSRP$58,215
Offers$500
Fairfield Price$57,715

Engine: 6.6L V8 Gas engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Jet Black, Cloth seat trim

2026 GMC Sierra 2500 HD Pro

MSRP$58,215
Offers$500
Fairfield Price$57,715

Engine: 6.6L V8 Gas engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Jet Black, Cloth seat trim

2026 GMC Sierra 2500 HD Pro

MSRP$68,350
Offers$500
Fairfield Price$67,850

Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Jet Black, Cloth seat trim

View All New GMC Sierra 2500 HD

2022 GMC Sierra 2500 HD Denali

Price$58,895

Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Mileage: 75,835 miles, Exterior Color: Ebony Twilight Metallic, Interior Color: Jet Black, Forge perforated leather seat trim

2025 GMC Sierra 2500 HD SLE

Price$64,900

Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Mileage: 4,352 miles, Exterior Color: Cardinal Red, Interior Color: Jet Black, Cloth seat trim

2024 GMC Sierra 2500 HD SLE

PricePlease Call

Engine: 6.6L V8 Gas engine, Transmission: Automatic, Mileage: 15,038 miles, Exterior Color: Sterling Metallic, Interior Color: Jet Black, Cloth seat trim

2021 GMC Sierra 2500 HD Denali

PricePlease Call

Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Mileage: 157,218 miles, Exterior Color: White Frost Tricoat, Interior Color: Jet Black, Forge perforated leather seat trim

2020 GMC Sierra 2500 HD SLT

PricePlease Call

Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Mileage: 18,768 miles, Exterior Color: Onyx Black, Interior Color: Jet Black, Perforated leather-appointed front seat

View All Pre-Owned GMC Sierra 2500 HD

GMC (1)

Sierra 2500 HD Truck (4)

2026

Manufacturer Offer

For Well-Qualified Buyers When Financed w/ GM Financial

4.9% APR for 36 months
4.9% APR for 48 months
5.9% APR for 60 months
6.9% APR for 72 months

Applies to this new 2026 GMC Sierra 2500 HD

Offer only valid Jan 03, 2026 through Feb 02, 2026

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 02/02/2026. 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. 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

$500 Cash

Applies to this new 2026 GMC Sierra 2500 HD

Offer only valid Jan 03, 2026 through Feb 02, 2026

Disclaimer(s)

Not available with special financing, lease and some other offers. Must take new retail delivery by 02/02/2026. (See Trims)
See State Disclaimer *

2025

Manufacturer Offer

For Well-Qualified Buyers When Financed w/ GM Financial

3.9% APR for 36 months
3.9% APR for 48 months
4.9% APR for 60 months
5.9% APR for 72 months

Applies to this new 2025 GMC Sierra 2500 HD

Offer only valid Jan 03, 2026 through Feb 02, 2026

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 02/02/2026. 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

Purchase Allowance

$1,000 Cash

Applies to this new 2025 GMC Sierra 2500 HD

Offer only valid Jan 03, 2026 through Feb 02, 2026

Disclaimer(s)

Not available with special financing, lease and some other offers. Must take new retail delivery by 02/02/2026. (See Trims)
See State Disclaimer *

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GMC Sierra 2500 HD

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