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2026 GMC Sierra 2500 HD SLE

Truck (Regular Cab) · 401 hp

Sticker from

$53,500Factory MSRP, base configuration

Overview.

At a glance

401 hp4WD

Good

20,000-lb max towing
3,592-lb max payload
401-hp V8
Wireless smartphone integration

Watch for

4-way manual front seats
2-speaker audio system
Single-zone front climate control

The 2026 GMC Sierra 2500 HD SLE is offered with regular, double and crew cabs, short or long beds, and four-wheel drive. Its gas 6.6L 8-cylinder 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 ranges from 3,375 to 3,592 lbs depending on configuration. MSRP runs from $53,500 to $57,600.

Standard cabin equipment includes cloth 40-20-40 split-bench front seats, keyless ignition, cruise control and a rearview camera. The 13.4-inch infotainment display supports wireless Apple CarPlay and Android Auto, though the standard audio system has 2 speakers. Standard driver-assistance and safety equipment includes lane departure warning, a pre-collision safety system, stability control, traction control and 4-wheel ABS.

Available equipment includes the $1,540 Max Trailering Package, $525 X31 Off-Road Package and $445 GMC MultiPro Tailgate. Factory coverage includes a 60-month/100,000-mile powertrain warranty and a 36-month/36,000-mile basic warranty.

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

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

Max Trailering Package$1,540

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

20" Bright Face Wheels w/Dark Painted Pockets$1,400

Gooseneck/5th Wheel Prep Package$1,090

Body Color Wheel Arch Moldings$995

Power Take-Off$995

MultiPro Tailgate Audio System by Kicker$975

SLE Convenience Package$915

6" Rectangular Chromed Tubular Assist Steps$895

Preferred Package$840

Assist Step and Floor Liner Package$825

4" Round Black Tubular Assist Steps$750

4" Round Chromed Tubular Assist Steps$750

Soft Folding Truck Bed Cover by RealTruck Advantage$750

Spray-On Bed Liner$545

Snow Plow Prep/Camper Package$530

X31 Off-Road Package$525

Remote Start Package$525

Outside Vertical Trailering Mirrors$515

Sierra HD Pro Safety Plus Package$490

GMC MultiPro Tailgate$445

GMC Protection Package$425

SLE Heated Package$400

LT275/65R20 All-Terrain Blackwall Tires$400

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

Dual Alternators$380

LT265/70R17E All-Terrain Blackwall Spare Tire$380

LT245/75R17E All-Season Blackwall Spare Tire$380

Gooseneck Hitch Package$375

18" Machined Aluminum Wheels w/Dark Grey Metallic Accents$300

Universal Vehicle Module$295

Black Front and Rear Molded Splash Guards$275

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

GMC MultiPro Tailgate Step Lights$250

Electric Rear-Window Defogger$225

Premium Front Floor Liners$210

LT265/70R17E All-Terrain Blackwall Tires$200

Autotrac Active 2-Speed Electronic Transfer Case$200

LT275/70R18E All-Terrain Blackwall Tires$200

High Idle Switch$200

Mobile Service Plus$199

Upfitter Switch Kit$150

Cargo Tie-Down Rings$150

220 Amp Alternator$150

Skid Plates$150

All-Weather Floor Liner$150

Auxiliary Battery$135

LED Cargo Area Lighting$125

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

Federal Emissions Override$0

Rubberized-Vinyl Floor Covering$0

Northeast Emissions$0

Front License Plate Kit$0

California State Emissions Requirements$0

Federal Emissions Requirements$0

California Emissions Override$0

Outside Heated Power-Adjustable Mirrors−$160

17" Silver Painted Steel Wheels (Fleet)−$350

Pickup Bed Delete−$1,215

3 Years OnStar One—

3 Years SiriusXM—

Black Badging Package—

Deleted Mobile Service Plus—

Which Sierra 2500 HD is right for you?

Seven trims, $46,700 to $93,800. Tap one to open it.

$46,700−$6,800Pro401 hp $53,500This trimSLE401 hp $64,700+$11,200SLT401 hp $71,600+$18,100AT4401 hp $75,000+$21,500Denali401 hp $83,700+$30,200AT4X401 hp $93,800+$40,300Denali Ultimate470 hp

Bar heights follow the price. The widest step is $11,200, from SLE to SLT.

The numbers.

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

401hp6.6L eight-cylinder

464lb-ftTorque

4WD10-speed shiftable automatic

3–6Seats

6,614–7,111 lbsCurb weight

10,250–10,650 lbsGVWR

14,500–20,000 lbsMax towing

3,375–3,592 lbsMax payload

103 standard items.

Five groups, sized by how much is in each.

2 interiors

Jet Black
Dark Walnut/Slate

Both cloth.

6 factory paints

Sterling Metallic
Titanium Rush Metallic
Coastal Dune
Summit White
Onyx Black
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 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 / 100,000 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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