2025 GMC Sierra 2500HD - Specs & Features

More about the 2025 Sierra 2500HD

Starting MSRP

$61,500

Overview

Gas Engine

Drive Type	rear wheel drive
Total Seating	6
Bed length	82.2 in.
Payload Capacity	3,426 lbs.
Towing Capacity	20,000 lbs.
Curb Weight	6,714 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	20,000 lbs.
Max Payload Capacity	3,426 lbs.

Drivetrain

Transmission	10-speed shiftable automatic
Drive type	Rear wheel drive
Rear locking differential	Standard

Incentives

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Suspension

Front independent suspension	Standard
Stabilizer bar stabilizer bar	Standard

Dimensions

Length	250.8 in.
Overall width without mirrors	81.9 in.
Height	79.8 in.

Wheelbase	159.0 in.
Bed length	82.2 in.
Turning circle	52.7 ft.
Ground clearance	10.1 in.
Curb weight	6,714 lbs.
Maximum towing capacity	20,000 lbs.
Maximum payload	3,426 lbs.
Gross weight	10,150 lbs.
Country of final assembly	United States

Colors

Exterior Colors	Titanium Rush Metallic Thunderstorm Gray Volcanic Red Tintcoat Downpour Metallic Redwood Metallic Summit White Cardinal Red Sterling Metallic White Frost Tricoat Onyx Black
Interior Colors	Jet Black, leather Dark Walnut/Slate, leather

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.
Leather	Standard
40-20-40 split bench 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

Rear Seat Dimensions

Rear head room	40.1 in.
Rear leg room	43.4 in.
Rear shoulder room	65.3 in.

Rear hip room	60.2 in.
Split-folding rear seatback	Standard
Folding center armrest	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
Front fog/driving 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
Remote anti-theft alarm system	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 and rear cupholders	Standard
Front and rear door pockets	Standard
Front seatback storage	Standard
Leatherette 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
Turn signal in mirrors	Standard

Instrumentation

Trip computer	Standard
Compass	Standard
External temperature display	Standard

Tachometer	Standard
Clock	Standard

Tires & Wheels

Painted alloy wheels	Standard
18 in. wheels	Standard
All terrain tires	Standard

LT275/70R18 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

Gooseneck/5th Wheel Prep Package	+$1,090
Trailering Wiring Provisions	+$35
Trailer Tire Pressure Monitor Sensors	+$50

220 Amp Alternator	+$150
Gooseneck Hitch Package	+$325
Heavy Duty Front Spring/Camper Package	+$45
High Idle Switch	+$200
Duramax 6.6L Turbo-Diesel V8 Engine	+$9,490
Engine Block Heater	+$100
Skid Plates	+$150
Max Trailering Package	+$645
Auxiliary Battery	+$135
Dual Alternators	+$380

Packages

Cargo Convenience Package	+$595
Sierra HD Pro Safety Plus Package	+$1,395
SLT Convenience Package	+$1,525

GMC Protection Package	+$435
Texas Edition SLT Premium Package	+$4,560
SLT Preferred Package	+$1,125
SLT Premium Package	+$4,560
Assist Step and Floor Liner Package	+$885

Interior Options

All-Weather Floor Liner	+$220
Rear Under Seat Storage	+$195
Premium Front Floor Liners	+$130

Upfitter Switch Kit	+$150
Console-Mounted Safe	+$345

Exterior Options

Body Color Wheel Arch Moldings	+$980
Cargo Tie-Down Rings	+$145
Hard-folding Tonneau Cover by REV	+$1,595

Auxiliary Trailer Camera	+$995
Tri-Fold Soft Tonneau Cover	+$750
GMC MultiPro Tailgate Step Lights	+$195
6" Rectangular Chromed Tubular Assist Steps	+$850
Smoked Amber LED Roof Marker Lamps	+$55
Front License Plate Kit	+$0
Spray-On Bed Liner	+$545
MultiPro Audio System by Kicker	+$875
Chromed Tubular 6" Rectangular Assist Steps	+$795
Black Front and Rear Molded Splash Guards	+$298
Power Glass Sunroof	+$995
LT275/65R20 All-Terrain Blackwall Tires	+$200
Red Illuminated Front GMC Emblem	+$425
20" Machined Aluminum Wheels w/Bright Silver Accents	+$1,100