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2025 GMC Sierra 1500 AT4

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

Sticker from

$66,800Factory MSRP, base configuration

Dealers ask

$56,970Median across 667 listings

Below sticker

$9,830The MSRP, minus the median

Overview.

At a glance

305 hp23 mpg combined4WD

Good

9,000-lb max towing
EPA-estimated 23 mpg combined
Standard adaptive cruise control
Heated and ventilated seats

Watch for

Longer bed lowers capacities
V8 engine costs $1,500

The 2025 GMC Sierra 1500 AT4 is a crew-cab truck with four-wheel drive, a 3.0L 6-cylinder turbodiesel engine and a 10-speed shiftable automatic transmission.

Its MSRP runs from $66,800 to $67,300 across 5.8-foot and 6.6-foot short-bed configurations.

The 5.8-foot short bed has 9,000 lbs of maximum towing and 1,670 lbs of maximum payload. With the 6.6-foot short bed, those figures are 8,900 lbs and 1,620 lbs. Both configurations produce 305 hp and return an EPA-estimated 23 mpg combined.

Standard cabin equipment includes leather upholstery, heated and ventilated front seats, heated rear seats, a heated steering wheel and dual-zone front climate control. The 13.4-inch infotainment display supports wireless Android Auto and Apple CarPlay, while the Bose system has 7 speakers and 1 subwoofer. Adaptive cruise control, lane keep assist, front and rear parking sensors, and front, side and rear cameras are also standard.

The basic factory warranty covers 36 months or 36,000 miles, while powertrain coverage lasts 60 months or 100,000 miles.

Drafted with AI from this page’s data and checked against it. Highlights mark the phrases worth skimming.

Market

Dealers are asking $9,830 under sticker.

That is the median across 667 listings for this exact trim. The typical one has sat for 35 days.

Sticker$66,800

Dealers ask$56,970

−$9,830

667 listings35 days median on the lot

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41 factory options, from $50 to $3,495.

Front 6-Piston Brembo Brake Upgrade w/Color Matched Rear Calipers$3,495

Technology Package$1,525

6.2L EcoTec3 V8 Engine$1,500

Rocker Protection$1,395

Hard-Folding Tonneau Cover$1,250

Off-Road High Clearance Steps$1,195

AT4 CarbonPro Edition$1,125

Black Sport Step$1,095

AT4 Premium Package$1,045

Power Glass Sunroof$995

MultiPro Tailgate Audio System by Kicker$895

Body Color Wheel Arch Moldings$750

Auxiliary Trailer Camera$650

Cargo Convenience Package$575

Tri-Fold Soft Tonneau Cover$525

LT275/65R18C Blackwall Goodyear Wrangler DuraTrac MT Tires$495

Dual Active Exhaust$395

AT4 Preferred Package$350

Console-Mounted Safe$325

AT4 All-Weather Floor Liners$295

Rear Under Seat Storage$295

Outside Power-Adjustable Vertical Trailering Mirrors$260

Black Front and Rear Molded Splash Guards$250

GMC MultiPro Tailgate Step Lights$225

Sport Pedal Cover Kit$195

Cargo Tie-Downs (4)$125

Wheel Locks$125

Trailer Tire Pressure Monitor Sensors$50

California Emissions Override$0

Federal Emissions Requirements$0

California State Emissions Requirements$0

State-Specific Emissions Override$0

Northeast Emissions$0

Federal Emissions Override$0

Front License Plate Kit$0

Credit - Not Equipped with Steering Column Lock−$50

3 Years SiriusXM—

Deleted Mobile Service Plus—

LT265/60R20 Blackwall Goodyear Wrangler Territory MT Tires—

Tubular Bed-Mounted Sport Bar—

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 $48,800−$18,000SLE310 hp $50,500−$16,300Elevation310 hp $54,900−$11,900SLT355 hp $65,400−$1,400Denali355 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.

5 factory paints

Onyx Black
Thunderstorm Gray
Summit White
Sterling Metallic
Volcanic Red Tintcoat

Safety and recalls

1 recall campaign on file.

Recalls are settled per car, not per model. Check the one you are buying.

Check this car's historyEnter the VIN, tap one insurance quote, and the report unlocks.Check a VIN

Overall5out of 5 stars

Frontal4out of 5 stars

Side—Not rated

Rollover4out of 5 stars

NHTSA crash-test ratings for the 2025 Sierra 1500.

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 1500 cost to insure?

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