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2025 GMC Sierra 2500 HD AT4X

Truck (Crew Cab) · 401 hp

Sticker from

$82,800Factory MSRP, base configuration

Overview.

At a glance

401 hp4WD

Good

18,500-lb max towing
3,291-lb max payload
Massaging front seats
13.4-inch infotainment display

Watch for

Diesel engine adds $9,990
AEV Edition adds $9,390

The 2025 GMC Sierra 2500 HD AT4X is a crew-cab, four-wheel-drive truck with a short bed.

Its gas 6.6L 8-cylinder engine produces 401 hp and uses a 10-speed shiftable automatic transmission. Maximum towing is 18,500 lbs, while maximum payload is 3,291 lbs. MSRP runs from $82,800 to $83,200.

Standard front-seat equipment includes leather upholstery, 12-way power adjustment, heating, ventilation and massaging. The rear seat has a split-folding seatback, a folding center armrest and multi-level heating. A 13.4-inch infotainment display, Bose speakers, wireless Android Auto and Apple CarPlay, wireless charging and adaptive cruise control are also standard.

Driver-assistance equipment includes blind-spot and lane-departure warnings, rear cross-traffic alert, front and rear parking sensors, and front, side and rear camera views. The optional Duramax 6.6L Turbo-Diesel V8 Engine is $9,990, while the AT4X AEV Edition is $9,390. Factory coverage includes a 60-month or 60,000-mile powertrain warranty and a 36-month or 36,000-mile basic warranty.

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31 factory options, from $35 to $9,990.

Duramax 6.6L Turbo-Diesel V8 Engine$9,990

AT4X AEV Edition$9,390

Hard-folding Truck Bed Cover by RealTruck Advantage$1,495

Tri-Fold Soft Tonneau Cover$750

Auxiliary Trailer Camera$650

Cargo Convenience Package$595

Gooseneck/5th Wheel Prep Package$545

Snow Plow Prep/Camper Package$530

Red Illuminated Front GMC Emblem$450

Dual Alternators$380

Console-Mounted Safe$325

Gooseneck Hitch Package$325

Rear Under Seat Storage$250

High Idle Switch$200

Sport Pedal Cover Kit$195

GMC MultiPro Tailgate Step Lights$195

220 Amp Alternator$150

Cargo Tie-Down Rings$150

Auxiliary Battery$135

Engine Block Heater$100

Heavy Duty Front Spring/Camper Package$45

Trailering Wiring Provisions$35

California Emissions Override$0

Northeast Emissions$0

Front License Plate Kit$0

California State Emissions Requirements$0

Federal Emissions Override$0

Federal Emissions Requirements$0

State-Specific Emissions Override$0

3 Years SiriusXM—

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Which Sierra 2500 HD is right for you?

Seven trims, $45,400 to $92,900. Tap one to open it.

$45,400−$37,400Pro401 hp $50,200−$32,600SLE401 hp $60,100−$22,700SLT401 hp $70,100−$12,700AT4401 hp $73,900−$8,900Denali401 hp $82,800This trimAT4X401 hp $92,900+$10,100Denali Ultimate470 hp

Bar heights follow the price. The widest step is $10,100, from AT4X to Denali Ultimate.

The numbers.

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

401hp6.6L eight-cylinder

464lb-ftTorque

4WD10-speed shiftable automatic

5Seats

7,516 lbsCurb weight

10,650–10,850 lbsGVWR

18,500 lbsMax towing

3,291 lbsMax payload

137 standard items.

Five groups, sized by how much is in each.

1 interior

Obsidian Rush

Premium leather.

6 factory paints

Titanium Rush Metallic
Summit White
Volcanic Red Tintcoat
Onyx Black
Sterling Metallic
Thunderstorm Gray

Safety and recalls

No recall campaigns on file.

Recalls are settled per car, not per model. Check the one you are buying.

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Overall—Not rated

Frontal—Not rated

Side—Not rated

Rollover—Not rated

NHTSA has not published ratings for the 2025 Sierra 2500 HD. A model year is often unrated for a year or more after it goes on sale.

NHTSA NCAP · checked Oct 2026

Factory coverage.

It runs from the first sale date, not the model year.

Basic

3 yr / 36,000 mi

Powertrain

5 yr / 60,000 mi

Rust

6 yr / 100,000 mi

Roadside

5 yr / 60,000 mi

Maintenance

1 yr

Sold2 yr4 yr6 yr

See extended plan pricesLive prices for this car. They depend on its age and mileage.See prices

What would this Sierra 2500 HD cost to insure?

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