2026 GMC Sierra 2500 HD For Sale

Prices starting at: $47,000

View photos, watch videos and get a quote on a new 2026 GMC Sierra 2500 HD in Marshalltown, IA.

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2026 GMC Sierra 2500 HD Truck Woodland Green

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

Visit Karl GMC of Marshalltown 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 Marshalltown 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$89,520
Offers$1,000
Final Price$88,520
Conditional Offers$1,000

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

2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD AT4X

MSRP$100,515
Offers$1,000
Final Price$99,515
Conditional Offers$1,000

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

2026 GMC Sierra 2500 HD Truck

2026 GMC Sierra 2500 HD AT4X

MSRP$99,025
Dealer Discount$6,932
Featured Price $92,093
Offers$1,000
Final Price$91,093
Conditional Offers$1,000

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 Truck

2026 GMC Sierra 2500 HD Denali

MSRP$91,010
Featured Price Please Call

Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Downpour Metallic, Interior Color: Jet Black, Forge Perforated Leather seat trim

2026 GMC Sierra 2500 HD Denali

MSRP$91,010
Dealer Discount$6,371
Featured Price $84,639
Offers$1,000
Final Price$83,639
Conditional Offers$1,000

Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Atmosphere/Brownstone, Forge Perforated Leather se

2026 GMC Sierra 2500 HD Denali

MSRP$92,205
Dealer Discount$5,532
Featured Price $86,673
Offers$1,000
Final Price$85,673
Conditional Offers$1,000

Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Exterior Color: Glacier White Tricoat, Interior Color: Atmosphere/Brownstone, Forge Perforated Leather se

2026 GMC Sierra 2500 HD Denali Ultimate

MSRP$98,484
Dealer Discount$6,894
Featured Price $91,590
Offers$1,000
Final Price$90,590
Conditional Offers$1,000

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

2026 GMC Sierra 2500 HD Denali Ultimate

MSRP$98,784
Dealer Discount$6,915
Featured Price $91,869
Offers$1,000
Final Price$90,869
Conditional Offers$1,000

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

2026 GMC Sierra 2500 HD Denali Ultimate

MSRP$99,079
Dealer Discount$6,936
Featured Price $92,143
Offers$1,000
Final Price$91,143
Conditional Offers$1,000

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

2026 GMC Sierra 2500 HD Denali Ultimate

MSRP$98,785
Dealer Discount$5,927
Featured Price $92,858
Offers$1,000
Final Price$91,858
Conditional Offers$1,000

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

View All New GMC Sierra 2500 HD

2023 GMC Sierra 2500 HD AT4

Price$60,200

Engine: 6.6L V8 Gas engine, Transmission: Automatic, Mileage: 31,143 miles, Exterior Color: Onyx Black, Interior Color: Jet Black with Kalahari Accents, Perforated front

2024 GMC Sierra 2500 HD Denali

Price$73,995

Engine: 6.6L Duramax Turbo-Diesel V8 engine, Transmission: Automatic, Mileage: 7,662 miles, Exterior Color: Downpour Metallic, Interior Color: Jet Black, Forge Perforated Leather seat trim

2023 GMC Sierra 2500 HD AT4

Price$58,397

Engine: 6.6L V8 Gas engine, Transmission: Automatic, Mileage: 54,809 miles, Exterior Color: Onyx Black, Interior Color: Jet Black with Kalahari Accents, Perforated front

2023 GMC Sierra 2500 HD SLT

Price$53,995

Engine: 6.6L V8 Gas engine, Transmission: Automatic, Mileage: 42,738 miles, Exterior Color: Pacific Blue Metallic, Interior Color: Dark Walnut/Slate, Perforated Leather-appointed fr

2024 GMC Sierra 2500 HD SLE

Price$53,447

Engine: 6.6L V8 Gas engine, Transmission: Automatic, Mileage: 23,725 miles, Exterior Color: Titanium Rush Metallic, Interior Color: Dark Walnut/Slate, Cloth seat trim

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 Apr 01, 2026 through Apr 30, 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 04/30/2026. 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

$1,000 Cash

Applies to this new 2026 GMC Sierra 2500 HD

Offer only valid Apr 03, 2026 through Apr 30, 2026

Disclaimer(s)

Not available with special financing, lease and some other offers. Must take new retail delivery by 04/30/2026. (See Trims)
See State Disclaimer *

Manufacturer Offer

GM First Responder Offer

$500 Offer

Applies to this new 2026 GMC Sierra 2500 HD

Offer only valid Jan 03, 2026 through Jan 04, 2027

Disclaimer(s)

Must be a current Firefighter, Police, EMT/Paramedic, or 911 Dispatcher. First Responders employed by federal, state or municipal governments may be subject to restrictions that limit their ability to accept this offer. Accordingly, this offer is void unless permitted by applicable federal, state and municipal laws, regulations, rules, ordinances, policies, codes of conduct, and other directives or standards regarding ethics and gift acceptance by the applicable federal, state or municipal employees. By accepting this offer, you verify that doing so complies with all laws, regulations, policies or other restrictions regarding ethics or gift acceptance that apply to you. Eligible participants are able to sponsor their spouse. At participating dealers only. Visit gmfirstresponderappreciation.com for program eligibility details and for a list of eligible vehicles. Not available with some other offers. Must provide authorization number to participating dealer prior to or at time of vehicle delivery to receive offer. Must take new retail delivery by 01/04/2027. (See Trims)
See State Disclaimer *

Manufacturer Offer

GM Military Offer

$500 Offer

Applies to this new 2026 GMC Sierra 2500 HD

Offer only valid Jan 03, 2026 through Jan 04, 2027

Disclaimer(s)

Eligible military personnel includes Active Duty members, Reservists, National Guard members, Veterans and Retirees of the U.S. Army, Navy, Air Force, Marine Corps and Coast Guard. Eligible participants are able to sponsor their spouse. At participating dealers only. Visit gmmilitaryappreciation.com for program eligibility details and for a list of eligible vehicles. Not available with some other offers. Must provide authorization number to participating dealer prior to or at time of vehicle delivery to receive offer. Must take new retail delivery by 01/04/2027. (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