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2026 GMC Sierra 1500 AT4

Truck (Crew Cab) · 305 hp · 23 mpg combined

Sticker from

$66,800Factory MSRP, base configuration

Overview.

At a glance

305 hp23 mpg combined4WD

Good

9,000-lb max towing
1,670-lb max payload
EPA-estimated 23 mpg combined
Heated, ventilated, massaging seats
13.4-inch infotainment display

Watch for

305 hp; Denali has 355
6.6-foot bed: 1,620-lb payload

The 2026 GMC Sierra 1500 AT4 is a crew-cab truck with four-wheel drive, a 3.0-liter 6-cylinder turbodiesel engine and a 10-speed shiftable automatic transmission.

It produces 305 hp and returns an EPA-estimated 23 mpg combined. Bed choices are 5.8 feet and 6.6 feet, with MSRP ranging from $66,800 to $67,300.

Maximum towing ranges from 8,900 to 9,000 lbs, while maximum payload ranges from 1,620 to 1,670 lbs. The 5.8-foot bed configuration carries the higher towing and payload figures.

Standard cabin equipment includes leather upholstery, heated and ventilated front seats, massaging seats, a heated steering wheel and dual-zone front climate control. A 13.4-inch infotainment display, Bose speakers, wireless Android Auto and Apple CarPlay, wireless charging and adaptive cruise control are also standard. Front, side and rear cameras work with front and rear parking sensors. Available equipment includes the $1,500 6.2L EcoTec3 V8 Engine, the $1,525 Technology Package and the $3,195 Off-Road Appearance Package.

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49 factory options, from $50 to $3,895.

Performance Front Brake Kit$3,895

Off-Road Appearance Package$3,195

OnStar One Super Cruise Extension to 8 Years$3,000

Tubular Bed-Mounted Sport Bar$1,695

Technology Package$1,525

6.2L EcoTec3 V8 Engine$1,500

Rocker Protection$1,395

Off-Road Assist Steps$1,295

Hard-Folding Truck Bed Cover by RealTruck Advantage$1,250

Off-Road High Clearance Steps$1,195

AT4 CarbonPro Edition$1,125

Black Sport Step$1,095

AT4 Premium Package$1,045

Body Color Wheel Arch Moldings$995

Power Glass Sunroof$995

MultiPro Tailgate Audio System by Kicker$975

Performance Air Intake System$850

Auxiliary Trailer Camera$675

Soft Folding Truck Bed Cover by RealTruck Advantage$595

Cargo Convenience Package$595

Red Illuminated Front GMC Emblem$525

Dual Active Exhaust$395

Exhaust Calibration$395

AT4 Preferred Package$350

Console-Mounted Safe$325

Black Front and Rear Molded Splash Guards$325

3 Years SiriusXM$299

AT4 All-Weather Floor Liners$295

LT265/60R20 Blackwall Goodyear Wrangler Territory MT Tires$295

Rear Under Seat Storage$295

LT275/65R18C Blackwall Goodyear Wrangler DuraTrac MT Tires$295

Outside Power-Adjustable Vertical Trailering Mirrors$260

GMC MultiPro Tailgate Step Lights$250

Mobile Service Plus$199

Sport Pedal Cover Kit$195

Wheel Locks$125

Cargo Tie-Downs (4)$125

Trailer Tire Pressure Monitor Sensors$50

California Emissions Override$0

Front License Plate Kit$0

Northeast Emissions$0

Federal Emissions Override$0

State-Specific Emissions Override$0

Federal Emissions Requirements$0

California State Emissions Requirements$0

18" x 8.5" Machined Aluminum Wheels w/Dark Painted Pockets—

Black Badging Package—

Deleted Mobile Service Plus—

Utility Wall Package—

Which Sierra 1500 is right for you?

Eight trims, $38,300 to $84,200. Tap one to open it.

$38,300−$28,500Pro310 hp $48,700−$18,100SLE310 hp $50,500−$16,300Elevation310 hp $54,900−$11,900SLT355 hp $65,900−$900Denali355 hp $66,800This trimAT4305 hp $79,400+$12,600AT4X305 hp $84,200+$17,400Denali Ultimate420 hp

Bar heights follow the price. The widest step is $12,600, from AT4 to AT4X.

The numbers.

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

305hp3.0L six-cylinder

495lb-ftTorque

23mpgCombined · 21 city · 24 highway

4WD10-speed shiftable automatic

5Seats

5,500–5,540 lbsCurb weight

7,000 lbsGVWR

8,900–9,000 lbsMax towing

1,620–1,670 lbsMax payload

137 standard items.

Five groups, sized by how much is in each.

1 interior

Jet Black with Kalahari accents

Leather.

6 factory paints

Titanium Rush Metallic
Volcanic Red Tintcoat
Sterling Metallic
Onyx Black
Summit White
Coastal Dune

Safety and recalls

2 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 1500. 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 1500 cost to insure?

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