2025 GMC Sierra 1500 Diesel AT4 Specs & Features

Starting MSRP

$66,800

Overview

Diesel

Combined MPG	23 MPG
Drive Type	four wheel drive
Total Seating	5
Bed length	69.9 in.
Payload Capacity	1,670 lbs.
Towing Capacity	9,000 lbs.
Curb Weight	5,500 lbs.
Basic Warranty	3 yr./ 36,000 mi.
Country of final assembly	Mexico/United States

Fuel & MPG

Fuel type	Diesel fuel
EPA city/highway MPG	21/24 MPG
EPA combined MPG	23 MPG

Range in miles (city/hwy)	504.0/576.0 mi.
Fuel tank capacity	24.0 gal.

2025 GMC Sierra 1500 for sale near you

3 of 74 listings

Pro Crew Cab
MSRP: $53,070
2 mi away
Pro Crew Cab
MSRP: $53,410
2 mi away
Pro Crew Cab
MSRP: $52,915
2 mi away

Pro Crew Cab
MSRP: $53,410
2 mi away
Pro Crew Cab
MSRP: $53,410
2 mi away
Elevation Crew Cab
MSRP: $66,985
2 mi away
SLT Crew Cab
MSRP: $64,245
2 mi away
SLT Crew Cab
MSRP: $64,845
2 mi away
SLT Crew Cab
MSRP: $64,245
2 mi away

See all 74 listings

Engine

Base engine size	3.0 L
Cylinders	Inline 6
Base engine type	Diesel

Horsepower	305 hp @ 3,750 rpm
Torque	495 lb-ft @ 2,750 rpm
Valves	24
Cam type	Double overhead cam (DOHC)
Valve timing	Variable
Direct injection (diesel)	Standard

Towing & Hauling

Max Towing Capacity	9,000 lbs.
Max Payload Capacity	1,670 lbs.

Drivetrain

Transmission	10-speed shiftable automatic
Drive type	Four wheel drive
On demand 4WD	Standard

Electronic hi-lo gear selection	Standard
Automatic locking hubs	Standard
Rear locking differential	Standard
Descent control	Standard

Incentives

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Suspension

Front independent suspension	Standard
Stabilizer bar stabilizer bar	Standard

Dimensions

Length	232.9 in.
Overall width without mirrors	81.2 in.
Height	78.4 in.

Wheelbase	148.0 in.
Bed length	69.9 in.
Turning circle	47.3 ft.
Ground clearance	11.1 in.
Curb weight	5,500 lbs.
Maximum towing capacity	9,000 lbs.
Maximum payload	1,670 lbs.
Gross weight	7,000 lbs.
Country of final assembly	Mexico/United States

Colors

Exterior Colors	Summit White Thunderstorm Gray Volcanic Red Tintcoat Onyx Black Sterling Metallic
Interior Colors	Jet Black w/Kalahari Accents, leather

Front Seat Dimensions

Front head room	43.0 in.
Front leg room	44.5 in.
Front shoulder room	64.5 in.

Front hip room	60.8 in.
Leather	Standard
Bucket front seats	Standard
8-way power driver seat	Standard
Height adjustable driver seat	Standard
Driver seat with power adjustable lumbar support	Standard
2 memorized driver seat settings	Standard
8-way power passenger seat	Standard
Height adjustable passenger seat	Standard
Passenger seat with power adjustable lumbar support	Standard
Multi-level heated driver seat	Standard
Multi-level heated passenger seat	Standard
Ventilated driver seat	Standard
Ventilated passenger seat	Standard
Massaging	Standard

Rear Seat Dimensions

Rear head room	40.1 in.
Rear leg room	43.4 in.
Rear shoulder room	64.0 in.

Rear hip room	59.2 in.
Split-folding rear seatback	Standard
Folding center armrest	Standard
Multi-level heated	Standard

Safety

Lane departure warning accident avoidance system	Standard
Lane keep assist	Standard
Pre-collision safety system	Standard

Post-collision safety system	Standard
Dual front side-mounted airbags	Standard
Front and rear head airbags	Standard
Passenger airbag occupant sensing deactivation	Standard
Stability control	Standard
Traction control	Standard
Child seat anchors	Standard
Rear door child safety locks	Standard
4-wheel ABS	Standard
Front and rear ventilated disc brakes	Standard
Emergency braking assist	Standard
Tire pressure monitoring	Standard
Dusk sensing headlamps	Standard
Auto delay off headlamps	Standard
LED headlamp	Standard
Daytime running lights	Standard
Front fog/driving lights	Standard
2 front headrests	Standard
Front height adjustable headrests	Standard
2 rear headrests	Standard
Rear height adjustable headrests	Standard
Rear center 3-point belt	Standard
Remote anti-theft alarm system	Standard
Engine immobilizer	Standard

Build Your 2025 Sierra 1500

At a Glance:

1 Trim
$65,400starting MSRP

Build & Price GMC.com

*The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.

In-Car Entertainment

13.4" infotainment display size	Standard
AM/FM stereo	Standard
Bose premium brand speakers	Standard

7 total speakers	Standard
1 subwoofer(s)	Standard
Wireless Android Auto/Apple CarPlay	Standard
USB connection	Standard
Auxiliary audio input and USB with external media control	Standard
Satellite radio satellite radio	Standard
Speed sensitive volume control	Standard

Power Feature

4 one-touch power windows	Standard
Hands-free entry	Standard
Heated mirrors	Standard

Comfort & Convenience

Keyless ignition	Standard
Power tilt and telescopic steering wheel	Standard
Transmission, cruise and audio controls on steering wheel	Standard

Electric power steering	Standard
Front, side, and rear view camera	Standard
Front and rear parking sensors	Standard
Wireless charging	Standard
Adaptive cruise control	Standard
Front and rear cupholders	Standard
Front and rear door pockets	Standard
Front seatback storage	Standard
Leather steering wheel	Standard
Heated steering wheel	Standard
Dual zone front climate control	Standard
Rear ventilation ducts	Standard
Sun sensor	Standard
Dual illuminating vanity mirrors	Standard
Electrochromatic inside rearview mirror	Standard

Instrumentation

Trip computer	Standard
Compass	Standard
External temperature display	Standard

Tachometer	Standard
Clock	Standard

Tires & Wheels

Painted alloy wheels	Standard
20 x 9.0 in. wheels	Standard
All terrain tires	Standard

275/60R20 tires	Standard
Fullsize non-matching spare tire	Standard
Underbody mounted spare tire	Standard

Telematics

Emergency Service	Standard
Airbag Deployment Notification	Standard
Stolen Vehicle Tracking/Assistance	Standard

Hands-Free Calling	Standard
Roadside Assistance	Standard
Concierge Service	Standard
Destination guidance (also Turn-by-Turn Navigation)	Standard
Destination Download	Standard

Warranty

Basic	3 yr./ 36,000 mi.
Drivetrain	5 yr./ 100,000 mi.
Drivetrain	5 yr./ 60,000 mi.

Drivetrain	5 yr./ 100,000 mi.
Rust	6 yr./ 100,000 mi.
Roadside assistance	5 yr./ 60,000 mi.
Free maintenance	1 yr./ unlimited mi.

Mechanical Options

Trailer Tire Pressure Monitor Sensors	+$50
Dual Active Exhaust	+$395
Front 6-Piston Brembo Brake Upgrade w/Color Matched Rear Calipers	+$3,495

6.2L EcoTec3 V8 Engine	+$1,500

Packages

Cargo Convenience Package	+$575
AT4 CarbonPro Edition	+$1,125
AT4 Premium Package	+$1,045

AT4 Preferred Package	+$350
Technology Package	+$1,525
Utility Wall Package	Standard

Interior Options

3 Years SiriusXM	Standard
Sport Pedal Cover Kit	+$195
Credit - Not Equipped with Steering Column Lock	-$50

Console-Mounted Safe	+$325
AT4 All-Weather Floor Liners	+$295
Rear Under Seat Storage	+$295

Exterior Options

Tubular Bed-Mounted Sport Bar	Standard
Wheel Locks	+$125
LT265/60R20 Blackwall Goodyear Wrangler Territory MT Tires	Standard

Rocker Protection	+$1,395
Black Sport Step	+$1,095
GMC MultiPro Tailgate Step Lights	+$225
Hard-Folding Tonneau Cover	+$1,250
Cargo Tie-Downs (4)	+$125
Power Glass Sunroof	+$995
Outside Power-Adjustable Vertical Trailering Mirrors	+$260
Auxiliary Trailer Camera	+$650
Body Color Wheel Arch Moldings	+$750
Tri-Fold Soft Tonneau Cover	+$525
LT275/65R18C Blackwall Goodyear Wrangler DuraTrac MT Tires	+$495
Black Front and Rear Molded Splash Guards	+$250
Front License Plate Kit	+$0
MultiPro Tailgate Audio System by Kicker	+$895
Off-Road High Clearance Steps	+$1,195

2025 GMC Sierra 1500 Diesel AT4 - Specs & Features