2025 GMC Sierra 2500HD Double Cab - Specs & Features

More about the 2025 Sierra 2500HD

Select a trim

Starting MSRP

$55,300

Overview

Gas Engine

Drive Type	four wheel drive
Total Seating	6
Bed length	82.3 in.
Payload Capacity	3,383 lbs.
Towing Capacity	14,500 lbs.
Curb Weight	6,929 lbs.
Basic Warranty	3 yr./ 36,000 mi.
Country of final assembly	United States

Fuel & MPG

Fuel type	Regular unleaded
Range in miles (city/hwy)	0/0 mi.
Fuel tank capacity	36.0 gal.

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Engine

Base engine size	6.6 L
Cylinders	V8
Base engine type	Gas

Horsepower	401 hp @ 5,200 rpm
Torque	464 lb-ft @ 4,000 rpm
Valves	16
Cam type	Overhead valves (OHV)
Valve timing	Variable
Direct injection	Standard

Towing & Hauling

Max Towing Capacity	14,500 lbs.
Max Payload Capacity	3,383 lbs.

Drivetrain

Transmission	10-speed shiftable automatic
Drive type	Four wheel drive
Part time 4WD	Standard

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

Incentives

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Suspension

Front independent suspension	Standard
Stabilizer bar stabilizer bar	Standard

Dimensions

Length	241.2 in.
Overall width without mirrors	81.9 in.
Height	80.0 in.

Wheelbase	149.0 in.
Bed length	82.3 in.
Turning circle	49.5 ft.
Ground clearance	10.2 in.
Curb weight	6,929 lbs.
Maximum towing capacity	14,500 lbs.
Maximum payload	3,383 lbs.
Gross weight	10,350 lbs.
Country of final assembly	United States

Colors

Exterior Colors	Titanium Rush Metallic Sterling Metallic Summit White Cardinal Red Onyx Black Thunderstorm Gray
Interior Colors	Dark Walnut/Slate, cloth Jet Black, cloth

Front Seat Dimensions

Front head room	43.0 in.
Front leg room	44.5 in.
Front shoulder room	66.0 in.

Front hip room	61.2 in.
Cloth	Standard
40-20-40 split bench front seats	Standard
4-way manual driver seat adjustments	Standard
4-way manual passenger seat adjustment	Standard

Rear Seat Dimensions

Rear head room	39.9 in.
Rear leg room	35.2 in.
Rear shoulder room	64.9 in.

Rear hip room	60.2 in.
Split-folding rear seatback	Standard

Safety

Lane departure warning accident avoidance system	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
Tire pressure monitoring	Standard
Dusk sensing headlamps	Standard
Auto delay off headlamps	Standard
LED headlamp	Standard
Daytime running lights	Standard
Turn signal mirrors	Standard
2 front headrests	Standard
Front height adjustable headrests	Standard
2 rear headrests	Standard
Rear height adjustable headrests	Standard
Front center 3-point belt	Standard
Rear center 3-point belt	Standard
Engine immobilizer	Standard

Build Your 2025 Sierra 2500HD

At a Glance:

2 Trims
$46,300starting 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
6 total speakers	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
Tilt-adjustable steering wheel	Standard
Audio and cruise controls on steering wheel	Standard

Power steering	Standard
Rear view camera	Standard
Cruise control	Standard
Front cupholders	Standard
Front and rear door pockets	Standard
Front seatback storage	Standard
Leatherette steering wheel	Standard
Single zone front air conditioning	Standard
Rear ventilation ducts	Standard
Dual illuminating vanity mirrors	Standard
Turn signal in mirrors	Standard

Instrumentation

Trip computer	Standard
Compass	Standard
External temperature display	Standard

Tachometer	Standard
Clock	Standard

Tires & Wheels

Alloy wheels	Standard
17 in. wheels	Standard
All season tires	Standard

LT245/75R17 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./ 60,000 mi.
Rust	6 yr./ 100,000 mi.

Roadside assistance	5 yr./ 60,000 mi.
Free maintenance	1 yr./ unlimited mi.

Mechanical Options

Trailering Wiring Provisions	+$35
Trailer Tire Pressure Monitor Sensors	+$50
17" Silver Painted Steel Wheels (Fleet)	-$350

Gooseneck/5th Wheel Prep Package	+$1,090
220 Amp Alternator	+$150
Heavy Duty Front Spring/Camper Package	+$45
Gooseneck Hitch Package	+$325
High Idle Switch	+$200
Engine Block Heater	+$100
Duramax 6.6L Turbo-Diesel V8 Engine	+$9,990
Diesel Particulate Filter (DPF) Manual Regeneration (Fleet)	+$250
Power Take-Off	+$995
Skid Plates	+$150
Auxiliary Battery	+$135
Dual Alternators	+$380
Autotrac Active 2-Speed Electronic Transfer Case	+$200

Packages

Assist Step and Floor Liner Package	+$895
Sierra HD Pro Safety Plus Package	+$1,335
X31 Off-Road and Protection Package	+$1,120

GMC Protection Package	+$435
Remote Start Package	+$525
SLE Value Package	+$1,885
X31 Off-Road Package	+$525
Snow Plow Prep/Camper Package	+$530
Preferred Package	+$1,190
SLE Convenience Package	+$915

Interior Options

Premium Front Floor Liners	+$210
Heated Package	+$400
Rubberized-Vinyl Floor Covering	+$0

Rear Under Seat Storage	+$175
All-Weather Floor Liner	+$250
Rear Camera Mirror (Fleet)	+$540
Front Bucket Seats w/Center Console (Fleet)	+$655
120-Volt Instrument Panel Power Outlet	+$225
3 Years SiriusXM	Standard
Upfitter Switch Kit	+$150

Exterior Options

LT265/70R17E All-Terrain Blackwall Tires	+$200
Spray-On Bed Liner	+$545
Front License Plate Kit	+$0

Wheel Locks	+$125
6" Rectangular Chromed Tubular Assist Steps	+$850
Tri-Fold Soft Tonneau Cover	+$750
Black Front and Rear Molded Splash Guards	+$225
LED Cargo Area Lighting	+$125
Body Color Wheel Arch Moldings	+$865
Cargo Tie-Down Rings	+$150
GMC MultiPro Tailgate	+$445
Outside Vertical Trailering Mirrors	+$515
MultiPro Tailgate Audio System by Kicker	+$875
Smoked Amber LED Roof Marker Lamps	+$55
LT275/65R20 All-Terrain Blackwall Tires	+$400
Hard-folding Truck Bed Cover by RealTruck Advantage	+$1,495
Auxiliary Trailer Camera	+$650
Electric Rear-Window Defogger	+$225
GMC MultiPro Tailgate Step Lights	+$195
4" Round Chromed Tubular Assist Steps	+$895
Outside Heated Power-Adjustable Mirrors	-$160
18" Machined Aluminum Wheels w/Dark Grey Metallic Accents	+$300
20" Bright Face Wheels w/Dark Painted Pockets	+$1,400
4" Round Black Tubular Assist Steps	+$850
LT275/70R18E All-Terrain Blackwall Tires	+$200