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2025 GMC Sierra 2500 HD AT4

Truck (Crew Cab) · 401 hp

Sticker from

$70,100Factory MSRP, base configuration

Overview.

At a glance

401 hp4WD

Good

18,500-lb max towing
3,433-lb max payload
Heated and ventilated seats
Standard adaptive cruise control
13.4-inch infotainment display

Watch for

Duramax engine adds $9,990
Sunroof adds $995

The 2025 GMC Sierra 2500 HD AT4 is a four-wheel-drive crew-cab truck offered with short- and long-bed configurations.

Its 6.6L 8-cylinder gas engine produces 401 hp and works with a 10-speed shiftable automatic transmission. Maximum towing is 18,500 lbs, while maximum payload ranges from 3,395 lbs with the short bed to 3,433 lbs with the long bed. MSRP ranges from $70,100 to $71,200.

Standard cabin equipment includes leather front bucket seats, heated and ventilated front seats, heated rear seats, a heated steering wheel and dual-zone front climate control. The infotainment system uses a 13.4-inch display with Bose speakers and wireless Android Auto and Apple CarPlay. Adaptive cruise control, front and rear parking sensors, wireless charging, front, side and rear view cameras, blind-spot and lane-departure warnings, rear cross-traffic alert and a pre-collision safety system are also standard.

Options include the $1,540 Max Trailering Package, $1,340 Technology Package and $9,990 Duramax 6.6L Turbo-Diesel V8 Engine.

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

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

AT4 Premium Plus Package$4,035

22" High Gloss Black Aluminum Wheels w/Machined Accents$3,450

20" Machined Aluminum Bolt Pattern Wheels w/High Gloss Black Accents$3,350

22" Gloss Black Aluminum Wheels$3,095

20" High Gloss Black Aluminum Wheels w/Machined Accents$2,995

20" High Gloss Black Painted Wheels$2,950

Black Power Retractable Assist Steps$2,295

Max Trailering Package$1,540

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

Technology Package$1,340

Off-Road High Clearance Steps$1,295

Power Glass Sunroof$995

Black Sport Step$925

MultiPro Tailgate Audio System by Kicker$875

Body Color Wheel Arch Moldings$865

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

AT4 Preferred Package$405

Dual Alternators$380

Gooseneck Hitch Package$325

Console-Mounted Safe$325

LT275/65R20 E 126/123 BF Goodrich Off-Road T/A KO3 Tires$295

AT4 All-Weather Floor Liners$295

Rear Under Seat Storage$250

Black Front and Rear Molded Splash Guards$225

LT275/70R18E All-Terrain Blackwall Tires$200

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

Wheel Locks$125

Engine Block Heater$100

Smoked Amber LED Roof Marker Lamps$55

Trailer Tire Pressure Monitor Sensors$50

Heavy Duty Front Spring/Camper Package$45

Trailering Wiring Provisions$35

State-Specific Emissions Override$0

California State Emissions Requirements$0

Federal Emissions Override$0

California Emissions Override$0

Federal Emissions Requirements$0

Northeast Emissions$0

Front License Plate Kit$0

18" Machined Aluminum Wheels w/Dark Grey Metallic Accents−$1,100

22" Black Painted Wheels—

3 Years SiriusXM—

Deleted Mobile Service Plus—

Which Sierra 2500 HD is right for you?

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

$45,400−$24,700Pro401 hp $50,200−$19,900SLE401 hp $60,100−$10,000SLT401 hp $70,100This trimAT4401 hp $73,900+$3,800Denali401 hp $82,800+$12,700AT4X401 hp $92,900+$22,800Denali Ultimate470 hp

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

The numbers.

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

401hp6.6L eight-cylinder

464lb-ftTorque

4WD10-speed shiftable automatic

5Seats

7,417–7,579 lbsCurb weight

10,650–11,050 lbsGVWR

18,500 lbsMax towing

3,395–3,433 lbsMax payload

135 standard items.

Five groups, sized by how much is in each.

1 interior

Jet Black with Kalahari accents

Leather.

6 factory paints

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

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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