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    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • Ingersoll Auto of Danbury (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Danbury, CT / 16 miles away from Trumbull, CT

    $5,630 off MSRP! Onyx Black 2025 GMC Sierra 2500HD Denali 4D Crew Cab 4WD Duramax 6.6L V8 Turbodiesel 10-Speed Automatic Do not hesitate, call us now ...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UREY3SF252186
    Stock: N252186
    Listed since: 05-07-2025

    • Exterior color: White Frost TricoatWhite Frost Tricoat
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • Ingersoll Auto of Danbury (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Danbury, CT / 16 miles away from Trumbull, CT

    $5,540 off MSRP! White Frost Tricoat 2025 GMC Sierra 2500HD Denali 4D Crew Cab 4WD Duramax 6.6L V8 Turbodiesel 10-Speed Automatic Do not hesitate, cal...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UREY4SF291997
    Stock: N291997
    Listed since: 05-24-2025

    • Exterior color: Downpour MetallicDownpour Metallic
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • Ingersoll Auto of Danbury (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Danbury, CT / 16 miles away from Trumbull, CT

    $5,602 off MSRP! Downpour Metallic 2025 GMC Sierra 2500HD Denali 4D Crew Cab 4WD Duramax 6.6L V8 Turbodiesel 10-Speed Automatic Do not hesitate, call ...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UREY2SF244449
    Stock: N244449
    Listed since: 05-05-2025

    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • Ingersoll Auto of Danbury (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Danbury, CT / 16 miles away from Trumbull, CT

    $5,153 off MSRP! Sterling Metallic 2025 GMC Sierra 2500HD Denali 4D Crew Cab 4WD 6.6L V8 10-Speed Automatic Do not hesitate, call us now at 203.730.57...

    Features and Specs:

    Listing Information:

    VIN: 1GT4URE74SF250440
    Stock: N250440
    Listed since: 05-21-2025

  • 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: Onyx BlackOnyx Black
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • Ingersoll Auto of Danbury (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Danbury, CT / 16 miles away from Trumbull, CT

    $5,233 off MSRP! Onyx Black 2025 GMC Sierra 2500HD Denali 4D Crew Cab 4WD 6.6L V8 10-Speed Automatic Do not hesitate, call us now at 203.730.5766 to s...

    Features and Specs:

    Listing Information:

    VIN: 1GT4URE75SF297959
    Stock: N297959
    Listed since: 06-02-2025

  • Arriving Soon
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 6'10” bed, 6.6l, 8cyl
    • Ingersoll Auto of Danbury (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    Close

    Located in Danbury, CT / 16 miles away from Trumbull, CT

    $1,647 off MSRP! Summit White 2025 GMC Sierra 2500HD SLE Double Cab 4WD 6.6L V8 10-Speed Automatic Do not hesitate, call us now at 203.730.5766 to spe...

    Features and Specs:

    Listing Information:

    VIN: 1GT5UME72SF349796
    Stock: N349796
    Listed since: 07-21-2025

    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: Alpine Umber premium leatherAlpine Umber premium leather
    • 6'10” bed, 6.6l, 8cyl
    • Ingersoll Auto of Danbury (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Danbury, CT / 16 miles away from Trumbull, CT

    $5,006 off MSRP! Sterling Metallic 2025 GMC Sierra 2500HD Denali Ultimate 4D Crew Cab 4WD Duramax 6.6L V8 Turbodiesel 10-Speed Automatic Do not hesita...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UXEY3SF294250
    Stock: N294250
    Listed since: 05-28-2025

    • Exterior color: Volcanic Red TintcoatVolcanic Red Tintcoat
    • Interior color: Jet Black leatherJet Black leather
    • 6'10” bed, 6.6l, 8cyl
    • Ingersoll Auto of Danbury (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Danbury, CT / 16 miles away from Trumbull, CT

    $4,388 off MSRP! Volcanic Red Tintcoat 2025 GMC Sierra 2500HD SLT 4D Crew Cab 4WD Duramax 6.6L V8 Turbodiesel 10-Speed Automatic Do not hesitate, call...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UNEYXSF280589
    Stock: N280589
    Listed since: 05-28-2025

  • 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.
  • Arriving Soon
    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • Ingersoll Auto of Danbury (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Danbury, CT / 16 miles away from Trumbull, CT

    $2,902 off MSRP! Onyx Black 2025 GMC Sierra 2500HD Denali 4D Crew Cab 4WD Duramax 6.6L V8 Turbodiesel 10-Speed Automatic Do not hesitate, call us now ...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UREY6SF354498
    Stock: N354498
    Listed since: 07-21-2025

  • Arriving Soon
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • Ingersoll Auto of Danbury (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Danbury, CT / 16 miles away from Trumbull, CT

    $2,898 off MSRP! Summit White 2025 GMC Sierra 2500HD Denali 4D Crew Cab 4WD Duramax 6.6L V8 Turbodiesel 10-Speed Automatic Do not hesitate, call us no...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UREY7SF353909
    Stock: N353909
    Listed since: 07-21-2025

    • Exterior color: Titanium Rush MetallicTitanium Rush Metallic
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • Ingersoll Auto of Danbury (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Danbury, CT / 16 miles away from Trumbull, CT

    New Price! $4,708 off MSRP! Titanium Rush Metallic 2025 GMC Sierra 2500HD Denali 4D Crew Cab 4WD Duramax 6.6L V8 Turbodiesel 10-Speed Automatic Do not...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UREY8SF313192
    Stock: N313192
    Listed since: 06-23-2025

  • Arriving Soon
    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Alpine Umber premium leatherAlpine Umber premium leather
    • 6'10” bed, 6.6l, 8cyl
    • Ingersoll Auto of Danbury (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Danbury, CT / 16 miles away from Trumbull, CT

    $2,003 off MSRP! Onyx Black 2025 GMC Sierra 2500HD Denali Ultimate 4D Crew Cab 4WD Duramax 6.6L V8 Turbodiesel 10-Speed Automatic Do not hesitate, cal...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UXEYXSF347672
    Stock: N347672
    Listed since: 07-21-2025

  • 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.
  • Arriving Soon
    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: Alpine Umber premium leatherAlpine Umber premium leather
    • 6'10” bed, 6.6l, 8cyl
    • Ingersoll Auto of Danbury (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Danbury, CT / 16 miles away from Trumbull, CT

    $1,963 off MSRP! Sterling Metallic 2025 GMC Sierra 2500HD Denali Ultimate 4D Crew Cab 4WD Duramax 6.6L V8 Turbodiesel 10-Speed Automatic Do not hesita...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UXEY1SF349746
    Stock: N349746
    Listed since: 07-21-2025

    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 8'2” bed, 6.6l, 8cyl
    • Ingersoll Auto of Danbury (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Danbury, CT / 16 miles away from Trumbull, CT

    $5,808 off MSRP! Summit White 2024 GMC Sierra 2500HD Pro 2D Standard Cab 4WD 6.6L V8 10-Speed Automatic Do not hesitate, call us now at 860.945.4755 t...

    Features and Specs:

    Listing Information:

    VIN: 1GT39LE76RF454077
    Stock: N454077
    Listed since: 09-02-2024

  • Arriving Soon
    • Exterior color: Downpour MetallicDownpour Metallic
    • Interior color: Alpine Umber premium leatherAlpine Umber premium leather
    • 6'10” bed, 6.6l, 8cyl
    • Romeo Chevrolet Buick GMC (64 mi away)5 out of 5 stars(9)
    • Home delivery*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Lake Katrine, NY / 64 miles away from Trumbull, CT

    Features and Specs:

    Listing Information:

    VIN: 1GT4UXEY8SF354412
    Stock: 25776
    Listed since: 07-18-2025

  • New Listing
    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: Jet Black vinylJet Black vinyl
    • 8'2” bed, 6.6l, 8cyl
    • Romeo Chevrolet Buick GMC (64 mi away)5 out of 5 stars(9)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Lake Katrine, NY / 64 miles away from Trumbull, CT

    This GMC Sierra 2500HD boasts a Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission. WINTER GRILLE COVER, WHEELS, 18"" (45.7 CM)...

    Features and Specs:

    Listing Information:

    VIN: 1GT5ULEY3SF316759
    Stock: 25657
    Listed since: 06-13-2025

  • 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.
  • New Listing
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 8'2” bed, 6.6l, 8cyl
    • Romeo Chevrolet Buick GMC (64 mi away)5 out of 5 stars(9)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Lake Katrine, NY / 64 miles away from Trumbull, CT

    This GMC Sierra 2500HD delivers a Gas V8 6.6L/ engine powering this Automatic transmission. WHEELS, 17"" (43.2 CM) PAINTED STEEL, SILVER (STD), TRANS...

    Features and Specs:

    Listing Information:

    VIN: 1GT3ULE72SF196192
    Stock: 25297S
    Listed since: 01-17-2025

  • New Listing
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • Romeo Chevrolet Buick GMC (64 mi away)5 out of 5 stars(9)
    • Home delivery*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Lake Katrine, NY / 64 miles away from Trumbull, CT

    This GMC Sierra 2500HD boasts a Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission. WINTER GRILLE COVER, WHEELS, 22"" TRANSIT S...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UREY3SF323516
    Stock: 25696
    Listed since: 06-26-2025

  • New Listing
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 6'10” bed, 6.6l, 8cyl
    • Romeo Chevrolet Buick GMC (64 mi away)5 out of 5 stars(9)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Lake Katrine, NY / 64 miles away from Trumbull, CT

    This GMC Sierra 2500HD delivers a Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission. WINTER GRILLE COVER, WHEELS, 18"" (45.7 C...

    Features and Specs:

    Listing Information:

    VIN: 1GT4ULEY2SF316943
    Stock: 25672
    Listed since: 06-26-2025

  • New Listing
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 6'10” bed, 6.6l, 8cyl
    • Romeo Chevrolet Buick GMC (64 mi away)5 out of 5 stars(9)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Lake Katrine, NY / 64 miles away from Trumbull, CT

    This GMC Sierra 2500HD boasts a Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission. WINTER GRILLE COVER, WHEELS, 18"" (45.7 CM)...

    Features and Specs:

    Listing Information:

    VIN: 1GT4ULEY5SF265549
    Stock: 25583
    Listed since: 06-26-2025

  • New Listing
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 8'2” bed, 6.6l, 8cyl
    • Romeo Chevrolet Buick GMC (64 mi away)5 out of 5 stars(9)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Lake Katrine, NY / 64 miles away from Trumbull, CT

    This GMC Sierra 2500HD delivers a Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission. WINTER GRILLE COVER, WHEELS, 18"" (45.7 C...

    Features and Specs:

    Listing Information:

    VIN: 1GT3ULEY8SF273141
    Stock: 25520
    Listed since: 05-05-2025

Showing 43 - 63 out of 75 listings

Consumer Reviews for the GMC Sierra 2500HD

Read recent reviews for the GMC Sierra 2500HD
Overall Consumer Rating
3.9 out of 5 stars29 Reviews
Write a vehicle reviewSee all 29 reviews
  • 5 star
    (62%)
  • 4 star
    (10%)
  • 3 star
    (0%)
  • 2 star
    (7%)
  • 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 Denali 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A)N/A8-cylinders (diesel)$88,510
2025 GMC Sierra 2500HD Denali 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)N/A8-cylinders (gas)$78,835
2025 GMC Sierra 2500HD SLE 4dr Double Cab 4WD SB (6.6L 8cyl 10A)N/A8-cylinders (gas)$64,655
2025 GMC Sierra 2500HD Denali Ultimate 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A)N/A8-cylinders (diesel)$96,305
2025 GMC Sierra 2500HD SLT 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A)N/A8-cylinders (diesel)$84,690
2024 GMC Sierra 2500HD Pro 2dr Regular Cab 4WD LB (6.6L 8cyl 10A)N/A8-cylinders (gas)$54,808
2025 GMC Sierra 2500HD Pro 4dr Double Cab 4WD LB (6.6L 8cyl Turbodiesel 10A)N/A8-cylinders (diesel)$66,650
2025 GMC Sierra 2500HD Pro 2dr Regular Cab 4WD LB (6.6L 8cyl 10A)N/A8-cylinders (gas)$53,420
2025 GMC Sierra 2500HD Pro 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A)N/A8-cylinders (diesel)$67,005
2025 GMC Sierra 2500HD Pro 2dr Regular Cab 4WD LB (6.6L 8cyl Turbodiesel 10A)N/A8-cylinders (diesel)$64,845

More about the GMC Sierra 2500HD

Edmunds has 75 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 $53,420 to $100,305.

How much is a new 2025 GMC Sierra 2500HD in Trumbull, CT?

A new 2025 GMC Sierra 2500HD starts at $53,420 (including destination charge) in Trumbull, CT. 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 Trumbull, CT?

A new 2025 GMC Sierra 2500HD Crew Cab starts at $67,005 in Trumbull, CT. 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 Double Cab which starts at $64,655.
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