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2026 GMC Sierra 3500 HD Pro

Truck (Regular Cab) · 401 hp

Sticker from

$47,900Factory MSRP, base configuration

Overview.

At a glance

401 hpRWD / 4WD

Good

20,000-lb max towing
7,290-lb max payload
401 hp
10-speed automatic

Watch for

4-way manual front seats
Two-speaker audio system
Adaptive cruise costs $500

The 2026 GMC Sierra 3500 HD Pro has an MSRP from $47,900 to $56,000. Its 6.6L 8-cylinder gasoline engine produces 401 hp and uses a 10-speed shiftable automatic transmission. Maximum towing ranges from 14,500 to 20,000 lbs, while maximum payload spans 4,334 to 7,290 lbs.

Rear-wheel drive and four-wheel drive are available across regular cab, double cab and crew cab configurations. The lineup includes long-bed and short-bed versions, plus dual-rear-wheel configurations. A Duramax 6.6L Turbo-Diesel V8 Engine is a $9,990 option. Towing-related choices include the $375 Gooseneck Hitch Package and $1,090 Gooseneck/5th Wheel Prep Package.

Standard cabin equipment includes vinyl upholstery, a 40-20-40 split bench front seat, a 7.0-inch infotainment display, Android Auto/Apple CarPlay and a rearview camera. Lane departure warning, a pre-collision safety system, stability control and traction control are also standard. Adaptive Cruise Control costs $500, while the GMC MultiPro Tailgate costs $445.

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

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

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

1SA Pro Safety Plus Package$1,110

Gooseneck/5th Wheel Prep Package$1,090

4" Round Black Tubular Assist Steps$750

6" Rectangular Black Tubular Assist Steps$750

Soft Folding Truck Bed Cover by RealTruck Advantage$750

Outside Vertical Trailering Mirrors$725

Convenience Package$700

Convenience Package w/Pickup Bed Delete$700

Black Assist Step$575

Spray-On Bed Liner$545

Adaptive Cruise Control$500

GMC MultiPro Tailgate$445

GMC Protection Package$425

Dual Alternators$380

LT275/70R18 All-Terrain Blackwall Spare Tire$380

Gooseneck Hitch Package$375

18" Machined Aluminum Wheels w/Dark Grey Metallic Accents$350

Universal Vehicle Module$295

10-Way Power Seat Adjuster w/Power Lumbar (Fleet)$290

GMC MultiPro Tailgate Step Lights$250

Diesel Particulate Filter (DPF) Manual Regeneration (Fleet)$250

120-Volt Instrument Panel Power Outlet$225

Electric Rear-Window Defogger$225

Deep-Tinted Glass$200

High Idle Switch$200

Mobile Service Plus$199

Upfitter Switch Kit$150

Skid Plates$150

Cargo Tie-Down Rings$150

All-Weather Floor Liner$150

220 Amp Alternator$150

Fleet Convenience Package (Fleet)$150

Auxiliary Battery$135

Wheel Locks$125

LED Cargo Area Lighting$125

Color-Keyed Carpet Floor Covering$100

SiriusXM Radio$100

Engine Block Heater$100

Smoked Amber LED Roof Marker Lamps$55

Outside Heated Power-Adjustable Mirrors$50

Heavy Duty Front Spring/Camper Package$45

Trailering Wiring Provisions$35

California Emissions Override$0

California State Emissions Requirements$0

Federal Emissions Override$0

State-Specific Emissions Override$0

Front License Plate Kit$0

Northeast Emissions$0

Federal Emissions Requirements$0

Pickup Bed Delete−$1,155

3 Years OnStar One—

3 Years SiriusXM—

Deleted Mobile Service Plus—

Which Sierra 3500 HD is right for you?

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

$47,900This trimPro401 hp $54,700+$6,800SLE401 hp $65,900+$18,000SLT401 hp $72,800+$24,900AT4401 hp $76,100+$28,200Denali401 hp $97,200+$49,300Denali Ultimate470 hp

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

The numbers.

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

401hp6.6L eight-cylinder

464lb-ftTorque

RWD / 4WD10-speed shiftable automatic

3–6Seats

6,329–7,578 lbsCurb weight

10,950–14,000 lbsGVWR

14,500–20,000 lbsMax towing

4,334–7,290 lbsMax payload

96 standard items.

Five groups, sized by how much is in each.

2 interiors

Jet Black
Jet Black

Vinyl or cloth.

6 factory paints

Onyx Black
Summit White
Sterling Metallic
Coastal Dune
Downpour Metallic
Cardinal Red

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 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

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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