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2025 GMC Sierra 3500 HD SLT

Truck (Crew Cab) · 401 hp

Sticker from

$61,700Factory MSRP, base configuration

Overview.

At a glance

401 hp4WD / RWD

Good

20,000-lb max towing
6,735-lb max payload
401-hp output
13.4-inch infotainment display

Watch for

Diesel engine adds $9,990
Crew cab body only

The 2025 GMC Sierra 3500 HD SLT is a crew-cab truck with 401 hp and a 10-speed shiftable automatic transmission.

Rear-wheel drive and four-wheel drive are offered, along with short-bed, long-bed and dual-rear-wheel layouts. Maximum towing is 20,000 lbs, while maximum payload ranges from 4,265 to 6,735 lbs. MSRP runs from $61,700 to $67,500.

Standard cabin equipment includes leather upholstery, heated front seats, a heated steering wheel and dual-zone front climate control. Both front seats have 8-way power adjustment and power lumbar support. A 13.4-inch infotainment display, wireless Android Auto and Apple CarPlay, six speakers and satellite radio are also standard.

Standard safety and driver-assistance features include lane departure warning, a pre-collision safety system, a rearview camera, stability control and traction control. Available equipment includes the $9,990 Duramax 6.6L Turbo-Diesel V8 Engine, the $1,245 Sierra HD Pro Safety Plus Package and the $1,090 Gooseneck/5th Wheel Prep Package.

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

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

SLT Premium Package$4,445

Texas Edition SLT Premium Package$4,445

SLT Convenience Package$1,560

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

Sierra HD Pro Safety Plus Package$1,245

20" Bright Face Wheels w/Dark Painted Pockets$1,100

Gooseneck/5th Wheel Prep Package$1,090

SLT Preferred Package$1,050

Power Glass Sunroof$995

Assist Step and Floor Liner Package$895

MultiPro Tailgate Audio System by Kicker$875

Body Color Wheel Arch Moldings$865

6" Rectangular Chromed Tubular Assist Steps$850

Chromed Tubular 6" Rectangular Assist Steps$795

Tri-Fold Soft Tonneau Cover$750

Cargo Convenience Package$595

Spray-On Bed Liner$545

Red Illuminated Front GMC Emblem$450

GMC Protection Package$435

Dual Alternators$380

Gooseneck Hitch Package$325

Console-Mounted Safe$325

Universal Vehicle Module$295

Rear Under Seat Storage$250

All-Weather Floor Liner$250

Black Front and Rear Molded Splash Guards$225

High Idle Switch$200

Chrome Front Recovery Hooks$200

LT275/65R20 All-Terrain Blackwall Tires$200

GMC MultiPro Tailgate Step Lights$195

220 Amp Alternator$150

Upfitter Switch Kit$150

Skid Plates$150

Cargo Tie-Down Rings$150

Auxiliary Battery$135

Premium Front Floor Liners$130

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

Front License Plate Kit$0

Northeast Emissions$0

Federal Emissions Requirements$0

Federal Emissions Override$0

California State Emissions Requirements$0

California Emissions Override$0

3 Years SiriusXM—

Deleted Mobile Service Plus—

Which Sierra 3500 HD is right for you?

Six trims, $45,600 to $95,300. Tap one to open it.

$45,600−$16,100Pro401 hp $50,400−$11,300SLE401 hp $61,700This trimSLT401 hp $70,300+$8,600AT4401 hp $74,400+$12,700Denali401 hp $95,300+$33,600Denali Ultimate470 hp

Bar heights follow the price. The widest step is $20,900, from Denali to Denali Ultimate.

The numbers.

Twelve configurations: four-wheel or rear-wheel drive, 10-speed automatic.

401hp6.6L eight-cylinder

464lb-ftTorque

4WD / RWD10-speed shiftable automatic

6Seats

6,830–7,534 lbsCurb weight

11,200–14,000 lbsGVWR

20,000 lbsMax towing

4,265–6,735 lbsMax payload

125 standard items.

Five groups, sized by how much is in each.

2 interiors

Dark Walnut/Slate
Jet Black

Both leather.

6 factory paints

Onyx Black
Sterling Metallic
White Frost Tricoat
Volcanic Red Tintcoat
Titanium Rush Metallic
Summit White

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 3500 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 3500 HD cost to insure?

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