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40 listings
- Arriving Soon$68,070MSRP $68,570
- Mossy of Picayune GM Superstore (17 mi away)(4)
- Home delivery*
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Located in Picayune, MS / 17 miles away from Slidell, LA
We are proud to offer this stunning 2026 GMC Sierra 2500HD in Summit White. This vehicle has passed our comprehensive inspection with flying colors an...
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VIN: 1GT4ULEYXTF104969
Stock: 104969
Listed since: 08-20-2025 - Arriving Soon$90,460MSRP $90,960
- Mossy of Picayune GM Superstore (17 mi away)(4)
- Home delivery*
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Located in Picayune, MS / 17 miles away from Slidell, LA
We are proud to offer this outstanding-looking 2026 GMC Sierra 2500HD in Summit White. This vehicle has passed our comprehensive inspection with flyin...
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VIN: 1GT4UREY7TF102714
Stock: 102714
Listed since: 08-15-2025 - Arriving Soon$88,715MSRP $89,215
- Mossy of Picayune GM Superstore (17 mi away)(4)
- Home delivery*
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Located in Picayune, MS / 17 miles away from Slidell, LA
We are proud to offer this outstanding 2026 GMC Sierra 2500HD in Gxd. This vehicle has passed our comprehensive inspection with flying colors and come...
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VIN: 1GT4UPEY4TF111763
Stock: 111763A
Listed since: 08-28-2025 - Arriving Soon$84,585MSRP $85,085
- Mossy of Picayune GM Superstore (17 mi away)(4)
- Home delivery*
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Located in Picayune, MS / 17 miles away from Slidell, LA
We are proud to offer this wonderful-looking 2026 GMC Sierra 2500HD in Sterling Metallic. This vehicle has passed our comprehensive inspection with fl...
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VIN: 1GT4UPEY4TF107387
Stock: 107387
Listed since: 08-22-2025 - Arriving Soon$84,585MSRP $85,085
- Mossy of Picayune GM Superstore (17 mi away)(4)
- Home delivery*
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Located in Picayune, MS / 17 miles away from Slidell, LA
We are proud to offer this good-looking 2026 GMC Sierra 2500HD in Sterling Metallic. This vehicle has passed our comprehensive inspection with flying ...
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VIN: 1GT4UPEY5TF107270
Stock: 107270
Listed since: 08-21-2025 - Arriving Soon$97,930MSRP $98,430
- Mossy of Picayune GM Superstore (17 mi away)(4)
- Home delivery*
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Located in Picayune, MS / 17 miles away from Slidell, LA
We are proud to offer this fantastic-looking 2026 GMC Sierra 2500HD in Onyx Black. This vehicle has passed our comprehensive inspection with flying co...
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VIN: 1GT4UXEY4TF101959
Stock: 101959
Listed since: 08-15-2025 - Arriving Soon$97,930MSRP $98,430
- Mossy of Picayune GM Superstore (17 mi away)(4)
- Home delivery*
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Located in Picayune, MS / 17 miles away from Slidell, LA
We are proud to offer this outstanding-looking 2026 GMC Sierra 2500HD in Sterling Metallic. This vehicle has passed our comprehensive inspection with ...
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VIN: 1GT4UXEY1TF101949
Stock: 101949
Listed since: 08-27-2025 - Arriving Soon$88,715MSRP $89,215
- Mossy of Picayune GM Superstore (17 mi away)(4)
- Home delivery*
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Located in Picayune, MS / 17 miles away from Slidell, LA
We are proud to offer this charming 2026 GMC Sierra 2500HD in Onyx Black. This vehicle has passed our comprehensive inspection with flying colors and ...
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VIN: 1GT4UPEY1TF111798
Stock: 111798
Listed since: 08-30-2025 - $78,325MSRP $78,825
- Mossy of Picayune GM Superstore (17 mi away)(4)
- Home delivery*
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Located in Picayune, MS / 17 miles away from Slidell, LA
We are proud to offer this superb 2026 GMC Sierra 2500HD in Summit White. This vehicle has passed our comprehensive inspection with flying colors and ...
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VIN: 1GT4UNEYXTF100321
Stock: 100321A
Listed since: 08-23-2025 - $83,170MSRP $83,670
- Mossy of Picayune GM Superstore (17 mi away)(4)
- Home delivery*
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Located in Picayune, MS / 17 miles away from Slidell, LA
We are proud to offer this outstanding-looking 2026 GMC Sierra 2500HD in Summit White. This vehicle has passed our comprehensive inspection with flyin...
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VIN: 1GT4UNEYXTF102991
Stock: 102991
Listed since: 08-26-2025 - $98,190MSRP $108,190
- Exterior color: Onyx BlackOnyx Black
- Interior color: Obsidian Rush premium leatherObsidian Rush premium leather
- 6'10” bed, 6.6l, 8cyl
- Legacy Buick GMC (5 mi away)(3)
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Located in Slidell, LA / 5 miles away from Slidell, LA
This outstanding example of a 2025 GMC Sierra 2500HD AT4X is offered by Legacy Buick GMC. This GMC includes: ONYX BLACK GOOSENECK / 5TH WHEEL PREP PAC...
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VIN: 1GT4UZEY4SF320690
Stock: 25G1115
Listed since: 05-29-2025 - $79,010MSRP $91,010
- Exterior color: Downpour MetallicDownpour Metallic
- Interior color: Atmosphere/Brownstone premium leatherAtmosphere/Brownstone premium leather
- 6'10” bed, 6.6l, 8cyl
- Legacy Buick GMC (5 mi away)(3)
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Located in Slidell, LA / 5 miles away from Slidell, LA
This 2025 GMC Sierra 2500HD Denali is proudly offered by Legacy Buick GMC You deserve a vehicle designed for higher expectations. This GMC Sierra 2500...
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VIN: 1GT4UREY3SF324469
Stock: 25G1126
Listed since: 06-02-2025 - $83,175MSRP $95,175
- Exterior color: Sterling MetallicSterling Metallic
- Interior color: Jet Black premium leatherJet Black premium leather
- 6'10” bed, 6.6l, 8cyl
- Legacy Buick GMC (5 mi away)(3)
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Located in Slidell, LA / 5 miles away from Slidell, LA
You can find this 2025 GMC Sierra 2500HD Denali and many others like it at Legacy Buick GMC. This GMC includes: GOOSENECK / 5TH WHEEL PREP PACKAGE GVW...
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VIN: 1GT4UREY6SF248293
Stock: 25G9445
Listed since: 02-27-2025 - $81,475MSRP $91,475
- Exterior color: Summit WhiteSummit White
- Interior color: Jet Black w/Kalahari Accents leatherJet Black w/Kalahari Accents leather
- 6'10” bed, 6.6l, 8cyl
- Legacy Buick GMC (5 mi away)(3)
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Located in Slidell, LA / 5 miles away from Slidell, LA
Contact Legacy Buick GMC today for information on dozens of vehicles like this 2025 GMC Sierra 2500HD AT4. This GMC includes: LPO, HITCH PACKAGE Tow H...
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VIN: 1GT4UPEY9SF361370
Stock: 25G1306
Listed since: 07-25-2025 - $61,830MSRP $68,830
- Exterior color: Sterling MetallicSterling Metallic
- Interior color: Jet Black clothJet Black cloth
- 6'10” bed, 6.6l, 8cyl
- Legacy Buick GMC (5 mi away)(3)
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Located in Slidell, LA / 5 miles away from Slidell, LA
This outstanding example of a 2025 GMC Sierra 2500HD Pro is offered by Legacy Buick GMC. Pull up in the vehicle and the valet will want to parked on t...
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VIN: 1GT4ULEY3SF327093
Stock: 25G1364
Listed since: 08-11-2025 - Arriving Soon$61,600MSRP $68,600
- Exterior color: Downpour MetallicDownpour Metallic
- Interior color: Jet Black clothJet Black cloth
- 6'10” bed, 6.6l, 8cyl
- Legacy Buick GMC (5 mi away)(3)
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Located in Slidell, LA / 5 miles away from Slidell, LA
Legacy Buick GMC is excited to offer this 2025 GMC Sierra 2500HD Pro. This GMC includes: POWER OUTLET, INSTRUMENT PANEL, 120-VOLT 1SA PRO SAFETY PLUS ...
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Listing Information:
VIN: 1GT4ULEY8SF329647
Stock: 25G1165
Listed since: 06-10-2025 - $78,280MSRP $90,280
- Exterior color: White Frost TricoatWhite Frost Tricoat
- Interior color: Atmosphere/Brownstone premium leatherAtmosphere/Brownstone premium leather
- 6'10” bed, 6.6l, 8cyl
- Legacy Buick GMC (5 mi away)(3)
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Located in Slidell, LA / 5 miles away from Slidell, LA
Contact Legacy Buick GMC today for information on dozens of vehicles like this 2025 GMC Sierra 2500HD Denali. Pull up in the vehicle and the valet wil...
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Listing Information:
VIN: 1GT4UREY0SF197115
Stock: 25G9349
Listed since: 01-31-2025 - $84,770MSRP $91,775
- Exterior color: White Frost TricoatWhite Frost Tricoat
- Interior color: Atmosphere/Brownstone premium leatherAtmosphere/Brownstone premium leather
- 6'10” bed, 6.6l, 8cyl
- Legacy Buick GMC (5 mi away)(3)
Close
Located in Slidell, LA / 5 miles away from Slidell, LA
This outstanding example of a 2025 GMC Sierra 2500HD Denali is offered by Legacy Buick GMC. You appreciate the finer things in life, the vehicle you d...
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Listing Information:
VIN: 1GT4UREY0SF224801
Stock: 25G9337
Listed since: 01-29-2025 - $49,810MSRP $56,810
- Exterior color: Sterling MetallicSterling Metallic
- Interior color: Jet Black vinylJet Black vinyl
- 6'10” bed, 6.6l, 8cyl
- Legacy Buick GMC (5 mi away)(3)
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Located in Slidell, LA / 5 miles away from Slidell, LA
Legacy Buick GMC is excited to offer this 2025 GMC Sierra 2500HD Pro. You appreciate the finer things in life, the vehicle you drive should not be the...
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Listing Information:
VIN: 1GT5ULE7XSF302252
Stock: 25G1124
Listed since: 06-02-2025 - $83,530MSRP $95,530
- Exterior color: Sterling MetallicSterling Metallic
- Interior color: Jet Black premium leatherJet Black premium leather
- 6'10” bed, 6.6l, 8cyl
- Legacy Buick GMC (5 mi away)(3)
Close
Located in Slidell, LA / 5 miles away from Slidell, LA
Contact Legacy Buick GMC today for information on dozens of vehicles like this 2025 GMC Sierra 2500HD Denali. This GMC includes: GOOSENECK / 5TH WHEEL...
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Listing Information:
VIN: 1GT4UREY6SF248973
Stock: 25G9449
Listed since: 02-28-2025 - $91,475MSRP
- Exterior color: Summit WhiteSummit White
- Interior color: Jet Black w/Kalahari Accents leatherJet Black w/Kalahari Accents leather
- 6'10” bed, 6.6l, 8cyl
- Legacy Buick GMC (5 mi away)(3)
Close
Located in Slidell, LA / 5 miles away from Slidell, LA
Contact Legacy Buick GMC today for information on dozens of vehicles like this 2025 GMC Sierra 2500HD AT4. Pull up in the vehicle and the valet will w...
Features and Specs:
Listing Information:
VIN: 1GT4UPEY4SF356061
Stock: 25G1273
Listed since: 07-17-2025
Showing 1 - 21 out of 40 listings
| Trim | MPG | Engine | Starting Price |
|---|---|---|---|
| 2026 GMC Sierra 2500HD undefined | N/A | N/A | $68,570 |
| 2025 GMC Sierra 2500HD AT4X 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A) | N/A | 8-cylinders (diesel) | $108,190 |
| 2025 GMC Sierra 2500HD Denali 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A) | N/A | 8-cylinders (diesel) | $90,280 |
| 2025 GMC Sierra 2500HD AT4 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A) | N/A | 8-cylinders (diesel) | $91,475 |
| 2025 GMC Sierra 2500HD Pro 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A) | N/A | 8-cylinders (diesel) | $68,600 |
| 2025 GMC Sierra 2500HD Pro 4dr Double Cab 4WD SB (6.6L 8cyl 10A) | N/A | 8-cylinders (gas) | $56,810 |
More about the GMC Sierra 2500HD
Edmunds has 40 New GMC Sierra 2500HDs for sale near you, including a 2025 Sierra 2500HD Pro Pickup and a 2025 Sierra 2500HD AT4X Pickup ranging in price from $56,810 to $108,190.
How much is a new 2026 GMC Sierra 2500HD in Slidell, LA?
- A new 2026 GMC Sierra 2500HD starts at $56,810 (including destination charge) in Slidell, LA. 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 2026 GMC Sierra 2500HD Crew Cab cost in Slidell, LA?
- A new 2026 GMC Sierra 2500HD Crew Cab starts at $68,600 in Slidell, LA. 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:
2026 GMC Sierra 2500HD Double Cab which starts at $56,810.
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