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41 listings
  • Arriving Soon
    Stock photo**
    • Exterior color: Thunderstorm GrayThunderstorm Gray
    • Interior color: Jet Black w/Kalahari Accents leatherJet Black w/Kalahari Accents leather
    • 6'10” bed, 6.6l, 8cyl
    • i.g. Burton Buick GMC of Glen Burnie (84 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Glen Burnie, MD / 84 miles away from Lewes, DE

    This 2025 Thunderstorm Gr GMC Sierra 2500HD AAT4 4WD is well-equipped. Visit us today!10-Speed Automatic Duramax 6.6L V8 TurbodieselOur experien...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UPEY5SF292306
    Stock: G25-1365
    Listed since: 04-23-2025

    • Exterior color: Titanium Rush MetallicTitanium Rush Metallic
    • Interior color: Jet Black w/Kalahari Accents leatherJet Black w/Kalahari Accents leather
    • 6'10” bed, 6.6l, 8cyl
    • AutoNation Buick GMC Laurel (94 mi away)5 out of 5 stars(2)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Laurel, MD / 94 miles away from Lewes, DE

    Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel Compatible,Technology Package,Sunroof; Power,Sun/Moonroof,Leather Seats,Titanium Rush Metallic,Naviga...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UPEY1SF281755
    Stock: SF281755
    Listed since: 04-30-2025

    • Exterior color: White Frost TricoatWhite Frost Tricoat
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • AutoNation Buick GMC Laurel (94 mi away)5 out of 5 stars(2)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Laurel, MD / 94 miles away from Lewes, DE

    Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel Compatible,Lpo; 22" (55.9 Cm) High Gloss Black Aluminum Wheels With Machined Accents,Denali Reserve P...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UREYXSF253111
    Stock: SF253111
    Listed since: 03-25-2025

    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black leatherJet Black leather
    • 6'10” bed, 6.6l, 8cyl
    • AutoNation Buick GMC Laurel (94 mi away)5 out of 5 stars(2)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Laurel, MD / 94 miles away from Lewes, DE

    Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel Compatible,Slt Premium Package,X31 Off-Road And Protection Package,Snow Plow Prep/Camper Package,Leat...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UNEY6SF242146
    Stock: SF242146
    Listed since: 03-06-2025

  • Advertisement

    Special offers available

    2025 GMC Sierra 2500HD
    $46,300
    starting MSRP
    • 2 Trims
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: Alpine Umber premium leatherAlpine Umber premium leather
    • 6'10” bed, 6.6l, 8cyl
    • AutoNation Buick GMC Laurel (94 mi away)5 out of 5 stars(2)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Laurel, MD / 94 miles away from Lewes, DE

    Sun/Moonroof,Leather Seats,Sterling Metallic,Navigation System,Alternators; Dual; 220-Amps Primary; 170-Amps Auxiliary,High Idle Switch,Upfitter Switc...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UXEY7SF282179
    Stock: SF282179
    Listed since: 04-30-2025

    • Exterior color: Downpour MetallicDownpour Metallic
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • AutoNation Buick GMC Laurel (94 mi away)5 out of 5 stars(2)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Laurel, MD / 94 miles away from Lewes, DE

    Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel Compatible,Lpo; 22" (55.9 Cm) High Gloss Black Aluminum Wheels With Machined Accents,Denali Reserve P...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UREY8SF253043
    Stock: SF253043
    Listed since: 03-25-2025

    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (99 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Warminster, PA / 99 miles away from Lewes, DE

    Summit White 2025 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselThis 2025 GMC Sierra 2500HD Denali in Summit White feat...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UREY1SF276731
    Stock: G12756
    Listed since: 04-16-2025

    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 8'2” bed, 6.6l, 8cyl
    • O'Neil GMC (99 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Warminster, PA / 99 miles away from Lewes, DE

    Summit White 2025 GMC Sierra 2500HD Pro 4WD 10-Speed Automatic 6.6L V8This 2025 GMC Sierra 2500HD Pro in Summit White features:O'Neil Buick GMC i...

    Features and Specs:

    Listing Information:

    VIN: 1GT3ULE70SF158329
    Stock: G12528
    Listed since: 11-26-2024

  • Advertisement

    Special offers available

    2025 GMC Sierra 2500HD
    $46,300
    starting MSRP
    • 2 Trims
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • Arriving Soon
    Stock photo**
    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Jet Black w/Kalahari Accents leatherJet Black w/Kalahari Accents leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (99 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Warminster, PA / 99 miles away from Lewes, DE

    Onyx Black 2025 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic 6.6L V8This 2025 GMC Sierra 2500HD AT4 in Onyx Black features: Recent Arrival!O'Neil...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UPE70SF301856
    Stock: G12802
    Listed since: 05-30-2025

  • Stock photo**
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (99 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Warminster, PA / 99 miles away from Lewes, DE

    Summit White 2025 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic 6.6L V8This 2025 GMC Sierra 2500HD Denali in Summit White features: Recent Arrival...

    Features and Specs:

    Listing Information:

    VIN: 1GT4URE74SF302097
    Stock: G12806
    Listed since: 05-26-2025

    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Atmosphere/Brownstone premium leatherAtmosphere/Brownstone premium leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (99 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Warminster, PA / 99 miles away from Lewes, DE

    Onyx Black 2025 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselThis 2025 GMC Sierra 2500HD Denali in Onyx Black features...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UREY0SF154197
    Stock: G12633
    Listed since: 12-31-2024

  • Stock photo**
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (99 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Warminster, PA / 99 miles away from Lewes, DE

    Summit White 2025 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic 6.6L V8This 2025 GMC Sierra 2500HD Denali in Summit White features: Recent Arrival...

    Features and Specs:

    Listing Information:

    VIN: 1GT4URE72SF296378
    Stock: G12788
    Listed since: 05-22-2025

  • Advertisement

    Special offers available

    2025 GMC Sierra 2500HD
    $46,300
    starting MSRP
    • 2 Trims
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • Photos not available
    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (99 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Warminster, PA / 99 miles away from Lewes, DE

    Sterling Metallic 2025 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselThis 2025 GMC Sierra 2500HD Denali in Sterling Met...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UREY8SF297740
    Stock: G12793
    Listed since: 05-26-2025

    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (99 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Warminster, PA / 99 miles away from Lewes, DE

    Summit White 2025 GMC Sierra 2500HD Pro 4WD 10-Speed Automatic 6.6L V8This 2025 GMC Sierra 2500HD Pro in Summit White features:O'Neil Buick GMC i...

    Features and Specs:

    Listing Information:

    VIN: 1GT4ULE77SF221169
    Stock: G12660
    Listed since: 02-07-2025

  • Photos not available
    • Exterior color: Downpour MetallicDownpour Metallic
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (99 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Warminster, PA / 99 miles away from Lewes, DE

    Downpour Metallic 2025 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselThis 2025 GMC Sierra 2500HD Denali in Downpour Met...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UREYXSF297674
    Stock: G12792
    Listed since: 05-21-2025

  • Stock photo**
    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Jet Black leatherJet Black leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (99 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Warminster, PA / 99 miles away from Lewes, DE

    Onyx Black 2025 GMC Sierra 2500HD SLT 4WD 10-Speed Automatic 6.6L V8This 2025 GMC Sierra 2500HD SLT in Onyx Black features: Recent Arrival!O'Neil...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UNE7XSF296878
    Stock: G12790
    Listed since: 05-24-2025

  • Advertisement

    Special offers available

    2025 GMC Sierra 2500HD
    $46,300
    starting MSRP
    • 2 Trims
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • Stock photo**
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black w/Kalahari Accents leatherJet Black w/Kalahari Accents leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (99 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Warminster, PA / 99 miles away from Lewes, DE

    Summit White 2025 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselThis 2025 GMC Sierra 2500HD AT4 in Summit White features:...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UPEY1SF278628
    Stock: G12822
    Listed since: 05-15-2025

  • Photos not available
    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: Alpine Umber premium leatherAlpine Umber premium leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (99 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Warminster, PA / 99 miles away from Lewes, DE

    Sterling Metallic 2025 GMC Sierra 2500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselThis 2025 GMC Sierra 2500HD Denali Ultima...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UXEYXSF228035
    Stock: G12275
    Listed since: 05-08-2025

    • Exterior color: Summit WhiteSummit White
    • Interior color: Alpine Umber premium leatherAlpine Umber premium leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (99 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Warminster, PA / 99 miles away from Lewes, DE

    Summit White 2025 GMC Sierra 2500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselThis 2025 GMC Sierra 2500HD Denali Ultimate in...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UXEY3SF271101
    Stock: G12732
    Listed since: 04-16-2025

    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Jet Black clothJet Black cloth
    • 8'2” bed, 6.6l, 8cyl
    • i.g. Burton Buick GMC of Glen Burnie (84 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Glen Burnie, MD / 84 miles away from Lewes, DE

    This 2024 Onyx Black GMC Sierra 2500HD Pro 4WD is well-equipped. Visit us today!Priced below KBB Fair Purchase Price!10-Speed Automatic Duramax 6.6...

    Features and Specs:

    Listing Information:

    VIN: 1GT39LEY3RF303903
    Stock: G24-1129
    Listed since: 01-23-2024

Showing 22 - 41 out of 41 listings

Consumer Reviews for the GMC Sierra 2500HD

Read recent reviews for the GMC Sierra 2500HD
Overall Consumer Rating
3.9 out of 5 stars28 Reviews
Write a vehicle reviewSee all 28 reviews
  • 5 star
    (64%)
  • 4 star
    (11%)
  • 3 star
    (0%)
  • 2 star
    (4%)
  • 1 star
    (21%)
1 out of 5 stars

Be Aware!!! Do Not Buy!!

Jim Feltes, 01/10/2024
2024 GMC Sierra 2500HD AT4 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)
I bought a new 2024 2500HD AT4 on 11/15/23 - loved the truck except for the puddle of coolant it left on my garage floor. Took it to the local dealer who replaced the oil cooler - once home i discovered it was still leaking from the same place. Took it back to the dealer who had to order another oil cooler back on 12/14. I have been waiting since then with no estimated time of when … the part will arrive. I have been without a vehicle for 53 days now and GM Customer Service keeps giving me the runaround. To say the least I am disappointed in the truck but extremely disappointed with GM and in the manner in which this has been handled.
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TrimMPGEngineStarting Price
2025 GMC Sierra 2500HD AT4 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A)N/A8-cylinders (diesel)$86,520
2025 GMC Sierra 2500HD Denali 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A)N/A8-cylinders (diesel)$87,025
2025 GMC Sierra 2500HD SLT 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A)N/A8-cylinders (diesel)$82,505
2025 GMC Sierra 2500HD Denali Ultimate 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A)N/A8-cylinders (diesel)$95,440
2025 GMC Sierra 2500HD Pro 2dr Regular Cab 4WD LB (6.6L 8cyl 10A)N/A8-cylinders (gas)$52,665
2025 GMC Sierra 2500HD AT4 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)N/A8-cylinders (gas)$77,375
2025 GMC Sierra 2500HD Denali 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)N/A8-cylinders (gas)$78,945
2025 GMC Sierra 2500HD Pro 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)N/A8-cylinders (gas)$57,945
2025 GMC Sierra 2500HD SLT 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)N/A8-cylinders (gas)$73,085
2024 GMC Sierra 2500HD Pro 2dr Regular Cab 4WD LB (6.6L 8cyl Turbodiesel 10A)N/A8-cylinders (diesel)$65,495

More about the GMC Sierra 2500HD

Edmunds has 41 New GMC Sierra 2500HDs for sale near you, including a 2025 Sierra 2500HD Pro Pickup and a 2025 Sierra 2500HD Denali Ultimate Pickup ranging in price from $52,665 to $96,650.

How much is a new 2025 GMC Sierra 2500HD in Lewes, DE?

A new 2025 GMC Sierra 2500HD starts at $52,665 (including destination charge) in Lewes, DE. Prices will go up based on the trim level you choose and any options you add. Keep in mind that prices can also vary from one state to another and even from one dealership to the next.

How much does a 2025 GMC Sierra 2500HD Crew Cab cost in Lewes, DE?

A new 2025 GMC Sierra 2500HD Crew Cab starts at $57,945 in Lewes, DE. Prices will vary depending on what trim level you choose. Each state may have different pricing, so make sure you enter your correct ZIP code on Edmunds.
Other versions include:
2025 GMC Sierra 2500HD Regular Cab which starts at $52,665.
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** This image is a stock photo and may not reflect the model year or color of, and/or equipment offered on, the advertised vehicle.