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2026 GMC Sierra 3500 HD AT4

Truck (Crew Cab) · 401 hp

Sticker from

$72,800Factory MSRP, base configuration

Market

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Which Sierra 3500 HD is right for you?

Six trims, $47,900 to $97,200. Tap one to open it.

$47,900−$24,900Pro401 hp $54,700−$18,100SLE401 hp $65,900−$6,900SLT401 hp $72,800This trimAT4401 hp $76,100+$3,300Denali401 hp $97,200+$24,400Denali Ultimate470 hp

Bar heights follow the price. The widest step is $21,100, from Denali to Denali Ultimate.

The numbers.

Two configurations: four-wheel drive, 10-speed automatic.

401hp6.6L eight-cylinder

464lb-ftTorque

4WD10-speed shiftable automatic

5Seats

7,417–7,529 lbsCurb weight

11,550–11,700 lbsGVWR

20,000 lbsMax towing

4,089–4,127 lbsMax payload

Paint and trim.

1 interior

Jet Black with Kalahari accents

Leather.

6 factory paints

Summit White
Sterling Metallic
Coastal Dune
Onyx Black
Volcanic Red Tintcoat
Titanium Rush Metallic

Safety and recalls

No recall campaigns on file.

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Overall—Not rated

Frontal—Not rated

Side—Not rated

Rollover—Not rated

NHTSA has not published ratings for the 2026 Sierra 3500 HD. A model year is often unrated for a year or more after it goes on sale.

NHTSA NCAP · checked Oct 2026

Cover this Sierra 3500 HD for longer.

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Other years of the Sierra 3500 HD AT4.

Pictures show this year's car in another paint. Starting MSRP is before destination, taxes and dealer fees.