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New GMC Sierra 2500 HD At4 for Sale

209 results

Compare current new gmc sierra 2500 hd at4 for sale by price, mileage, location, and dealer details.

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2026 GMC Sierra 2500 HD AT4
new
CROWN BUICK, LLC

2026 GMC Sierra 2500 HD AT4

$90,180
$81,658
Save $8,522
0 miMetairie, LA
View details
2026 GMC Sierra 2500 HD AT4
new
Victory GMC St. Joseph

2026 GMC Sierra 2500 HD AT4

$90,730
$81,047
Save $9,683
4 miSaint Joseph, MO
View details
2026 GMC Sierra 2500 HD AT4
new
FABRE CHEVROLET

2026 GMC Sierra 2500 HD AT4

$90,560
$80,996
Save $9,564
0 miSAINT FRANCISVILLE, LA
View details
2026 GMC Sierra 2500 HD AT4
new
FABRE CHEVROLET

2026 GMC Sierra 2500 HD AT4

$90,560
$80,996
Save $9,564
3 miSAINT FRANCISVILLE, LA
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2026 GMC Sierra 2500 HD AT4
new
ALL STAR BUICK GMC

2026 GMC Sierra 2500 HD AT4

$80,849
Sulphur, LA
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2026 GMC Sierra 2500 HD AT4
new
Victory GMC St. Joseph

2026 GMC Sierra 2500 HD AT4

$90,380
$80,733
Save $9,647
10 miSaint Joseph, MO
View details
2026 GMC Sierra 2500 HD AT4
new
Victory GMC St. Joseph

2026 GMC Sierra 2500 HD AT4

$90,230
$80,587
Save $9,643
19 miSaint Joseph, MO
View details
2026 GMC Sierra 2500 HD AT4
new
CROWN BUICK, LLC

2026 GMC Sierra 2500 HD AT4

$89,065
$80,543
Save $8,522
0 miMetairie, LA
View details
2026 GMC Sierra 2500 HD AT4
new
COURTESY CHEVROLET GMC

2026 GMC Sierra 2500 HD AT4

$80,070
5 miBreaux Bridge, LA
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2026 GMC Sierra 2500 HD AT4
new
JIM TAYLOR BUICK GMC LLC

2026 GMC Sierra 2500 HD AT4

$79,865
$79,343
Save $522
4 miMonroe, LA
View details
2026 GMC Sierra 2500 HD AT4
new
JIM TAYLOR BUICK GMC LLC

2026 GMC Sierra 2500 HD AT4

$79,320
$78,798
Save $522
4 miMonroe, LA
View details
2026 GMC Sierra 2500 HD AT4
new
JIM TAYLOR BUICK GMC LLC

2026 GMC Sierra 2500 HD AT4

$78,530
$78,008
Save $522
4 miMonroe, LA
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2026 GMC Sierra 2500 HD AT4
new
NAVARRE GMC

2026 GMC Sierra 2500 HD AT4

$77,490
3 miLAKE CHARLES, LA
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2026 GMC Sierra 2500 HD AT4
new
WALKER GMC

2026 GMC Sierra 2500 HD AT4

$79,484
$74,183
Save $5,301
0 miAlexandria, LA
View details
2026 GMC Sierra 2500 HD AT4
new
STERLING BUICK-GMC

2026 GMC Sierra 2500 HD AT4

$82,360
$72,844
Save $9,516
0 miopelousas, LA
View details
2026 GMC Sierra 2500 HD AT4
new
STERLING BUICK-GMC

2026 GMC Sierra 2500 HD AT4

$80,620
$72,104
Save $8,516
0 miopelousas, LA
View details
2026 GMC Sierra 2500 HD AT4
new
WALKER GMC

2026 GMC Sierra 2500 HD AT4

$77,040
$71,739
Save $5,301
0 miAlexandria, LA
View details

Model and trim guide

About the GMC Sierra 2500 HD At4 trim

Dealers use the At4 trim name for these GMC Sierra 2500 HD listings. Equipment can differ by model year and options, so check each listing and window sticker before comparing vehicles.

There are currently 209 matching vehicles.

Current matches
209
Approved dealer listings
Advertised prices
$71,739 - $96,630
Current listed price range
Model years
2025 - 2026
Years in current inventory
Reported mileage
0 mi - 225 mi
Odometer range where provided
Condition mix
209 new
Current listing counts

What to compare

Price and dealer terms

Advertised prices may not include taxes, registration, add-ons or dealer fees. Confirm the final price with the dealer.

Year, mileage, and condition

Compare model year, reported mileage, photos, condition details and history information for each vehicle.

Trim and installed equipment

A trim name does not guarantee that two vehicles have the same equipment. Check the drivetrain, packages, options and accessories on the dealer page or window sticker.

Compare the full model

See every current GMC Sierra 2500 HD listing, including other trims.

Browse all GMC Sierra 2500 HD inventory →