Shop 2025 Sierra HD

$67,930

PRO STARTING MSRP

2,500 CREW CAB MAX TOWING OF UP TO 9,920 KG (21,870 LBS.)

AVAILABLE

DURAMAX® 6.6L TURBO-DIESEL V8 ENGINE WITH 975 LB.-FT. OF TORQUE AND 470 HP

AVAILABLE

3,500 MAX TOWING OF UP TO 16,329 KG (36,000 LBS.)

AVAILABLE

TRAILERING-ASSISTANCE TECHNOLOGIES IN ITS CLASS

OFFERS THE MOST

14 AVAILABLE CAMERA VIEWS INCLUDING TRANSPARENT TRAILER VIEW

UP TO

16-WAY POWER FRONT SEATS WITH MASSAGE FEATURE

AVAILABLE BEST-IN-CLASS

DURAMAX 6.6L TURBO-DIESEL V8 ENGINE
Sierra Heavy Duty’s available Duramax 6.6L Turbo-Diesel V8 engine features an efficient turbocharger and Allison 10-speed automatic transmission.

SERIOUS TOWING POWER
The 2500 Crew Cab offers available max towing of up to 9,920 kg (21,870 lbs.).

ADVANCED TRAILERING TECH
The 2025 Sierra Heavy Duty offers the most trailering assistance technologies in its class,† so you can trailer with more confidence.

DURAMAX 6.6L TURBO-DIESEL V8 WITH ALLISON 10-SPEED AUTOMATIC TRANSMISSION
STANDARD ON DENALI ULTIMATE
AVAILABLE ON PRO | SLE | SLT | AT4 | DENALI | AT4X
• 975 lb.-ft. of torque and 470 horsepower
• Exhaust brake to help improve control when towing

ADVANCED TRAILERING TECH
ProGrade Trailering Tech
This advanced suite of available intelligent technologies helps streamline the hitching and towing process with integrated tools that help enhance your sense of confidence and visibility

Up to 14 available camera views
More views help to provide a more confident trailering experience, such as transparent trailer view, which is compatible with many traditional, gooseneck and fifth-wheel trailers

Adaptive Cruise Control with Trailering
This available feature allows the truck’s Adaptive Cruise Control to account for additional drag and increased braking distances when towing a trailer

16-WAY POWER FRONT SEATS WITH MASSAGING FEATURE
Experience serious comfort in Sierra Heavy Duty’s available best-in-class 16-way power front seats with massaging feature.

LUXURIOUS MATERIALS
Sierra HD Denali Ultimate’s Alpine Umber interior features full-grain leather seating, plaited contrast stitching, and embossed and laser-etched topographical map patterns of Mt. Denali’s summit.

SPACIOUS CABIN
The Sierra Heavy Duty truck features best-in-class Crew Cab front head and leg room.

13.4" DIAGONAL CENTRE TOUCHSCREEN
This tablet-style touchscreen — the largest in its class — is the customizable, high-tech centrepiece of the cabin.

15" DIAGONAL MULTICOLOUR HEAD-UP DISPLAY
The available 15" diagonal Head-Up Display helps keep important information like speed and alerts in clear view.

The available multicolour 15" diagonal Head-Up Display can project the following key information directly onto your windshield:
• Speed
• Safety Alerts
• Audio
• Low-Fuel Warning
• Phone
• Off-Road Inclinometer
Not available on Pro, SLE or SLT.

12.3" DIAGONAL COLOUR DRIVER INFORMATION CENTRE
Control and customize important vehicle, driving and infotainment content in high-resolution clarity with an available 12.3" diagonal digital Driver Information Centre.

BOLD FRONT END
Stand out everywhere you go with GMC Sierra HD Denali’s iconic chrome grille, front bumper and fascia.

LED PROJECTOR HEADLAMPS AND SIGNATURE LIGHTING
LED projector headlamps with striking animated sequences help enhance Sierra Heavy Duty’s impressive exterior design.

SIX-FUNCTION MULTIPRO TAILGATE
The powerfully innovative available MultiPro Tailgate combines six convenient functions to help make light work of almost any job in your work truck.

MULTIPRO TAILGATE

The world’s first six-function GMC MultiPro Tailgate helps improve loading, unloading and accessing the cargo box.

Closed Position

Closed Position

Open the primary gate using the key fob's power release.

Primary Gate Position

Primary Gate Position

Load stop to help prevent items from sliding out of the bed.

Primary Load Stop Position

Primary Load Stop Position

Fold-down inner gate for easy access when loading and unloading.

Easy Access Position

Easy Access Position

Inner gate can fold into a full-width step, capable of holding up to 375 lbs.

Full Width Step Position

Full Width Step Position

• Inner gate load stop to help prevent second-tier items from sliding out of the bed
• Inner gate can be disabled to prevent it from being opened when a hitch or other equipment is installed

Work Surface Position

Work Surface Position

The opened inner gate provides a work surface as well as second-tier loading.

Closed Position

Open the primary gate using the key fob's power release.

Primary Gate Position

Load stop to help prevent items from sliding out of the bed.

Primary Load Stop Position

Fold-down inner gate for easy access when loading and unloading.

Easy Access Position

Inner gate can fold into a full-width step, capable of holding up to 375 lbs.

Full Width Step Position

• Inner gate load stop to help prevent second-tier items from sliding out of the bed
• Inner gate can be disabled to prevent it from being opened when a hitch or other equipment is installed

Work Surface Position

The opened inner gate provides a work surface as well as second-tier loading.

SAFETY

SIERRA HD PRO SAFETY
Every GMC Sierra 2500 HD and GMC Sierra 3500 HD work truck includes active safety and driver assistance technologies that help while driving and trailering. Sierra HD Pro Safety includes:
• Forward Collision Alert
• Following Distance Indicator
• Front Pedestrian Braking
• IntelliBeam
• Lane Departure Warning
• Automatic Emergency Braking

Safety or driver assistance features are no substitute for the driver’s responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

EXPLORE SIERRA HEAVY DUTY TRIMS

From the hardworking Pro and the well-equipped SLT to the off-road ready AT4 and the luxurious Denali Ultimate, there’s a GMC Sierra Heavy Duty trim ready to help you take on whatever lies ahead. Find yours below.

PRO

Starting at: $67,930 | As shown: $75,530

AVAILABLE TOW UP TO 16,329 KG (36,000 LBS.)

STANDARD FEATURES
• 6.6L V8 gas engine with Allison® 10-speed automatic transmission
• Trailering Package, Trailering Mirrors and Trailer Brake Controller
• Wireless Apple CarPlay® and wireless Android Auto™ compatibility

 AVAILABLE FEATURES
• Duramax 6.6L Turbo-Diesel V8 engine with Allison 10-speed automatic transmission
• Adaptive Cruise Control with trailering

SLE

Starting at: $72,930 | As shown: $81,330

AVAILABLE TOW UP TO 16,102 KG (35,500 LBS.)

KEY FEATURES
• 13.4" diagonal centre touchscreen and 12.3" diagonal digital Driver Information Centre
• Traction Select System with Tow/Haul mode
• 17" machined aluminum wheels (2500 SRW model)

 AVAILABLE FEATURES
• Up to 13 camera views, including transparent trailer view
• MultiPro™ Tailgate and MultiPro Tailgate Audio System by Kicker®
• X31 off-road package with twin-tube Rancho® shocks and skid plates

SLT

Starting at: $87,830 | As shown: $92,526

AVAILABLE TOW UP TO 14,260 KG (31,440 LBS.)

KEY FEATURES
• 10-way power driver and front-passenger heated seats with lumbar
• Heated steering wheel
• ProGrade® Trailering System with In-Vehicle Trailering App
• MultiPro Tailgate
• 18" machined aluminum wheels with dark grey metallic accents (SRW models only)

 AVAILABLE FEATURES
• SLT Convenience Package, which includes heated and ventilated front bucket seats with perforated leather appointments, Bose premium audio system, wireless charging, 2 USB ports and LED roof marker lamps

AT4

Starting at: $99,530 | As shown: $99,530

AVAILABLE TOW UP TO 9,661 KG (21,300 LBS.)

KEY FEATURES
• Exclusive Jet Black interior with Kalahari accents, and heated and ventilated perforated front leather seating surfaces
• Exclusive 20" gloss-black aluminum wheels with available BFGoodrich® off-road tires
• Off-Road Suspension Package with twin-tube Rancho shocks and skid plates
• Up to 14 available camera views with HD Surround Vision
• Adaptive Cruise Control
 
AVAILABLE FEATURES
• 15" diagonal Head-Up Display with off-road inclinometer

DENALI

Starting at: $103,530 | As shown: $104,026

AVAILABLE TOW UP TO 13,970 KG (30,800 LBS.)

KEY FEATURES
• 20" Ultra-Bright machined wheels with bright chrome inserts
• Denali-exclusive authentic open-pore wood, patterned aluminum trim and forge perforated leather seating surfaces
• 12-way heated and ventilated power front seats

AVAILABLE FEATURES
• Duramax 6.6L Turbo-Diesel V8 engine with Allison 10-speed automatic transmission
• Power sunroof
• Rear Camera Mirror

AT4X

Starting at: $115,730 | As shown: $116,326

AVAILABLE TOW UP TO 8391 KG (18,500 LBS.)

KEY FEATURES
• Factory-installed 1.5" suspension lift, Multimatic® DSSV dampers, rear electronic-locking differential, larger steel transfer case skid plate and front aluminum skid plate
• 35" Goodyear® Territory MT tires
• 16-way heated and ventilated power front seats with massage feature
• Obsidian Rush interior featuring full-grain leather seating with technical-grain leather accents and authentic Vanta Ash wood

AVAILABLE FEATURES
• AT4X AEV Edition featuring stamped steel bumpers, skid plates, steering gear and transfer case, and 18" Salta gloss-black wheels
• Duramax 6.6L Turbo-Diesel V8 engine with Allison 10-speed automatic transmission

DENALI ULTIMATE

Starting at: $128,630 | As shown: $129,126

AVAILABLE TOW UP TO 13,925 KG (30,700 LBS.)

KEY FEATURES
• Duramax 6.6L Turbo-Diesel V8 engine with Allison 10-speed automatic transmission
• Signature Vader Chrome grille with High Gloss Black surround and exclusive 20" Ultra-Bright machined aluminum wheels with gloss-black inserts
• Exclusive Alpine Umber interior featuring full-grain leather seating, authentic open-pore Paldao wood and 16-way power front seats with massage feature
• 12-Speaker Bose Premium Series with Centerpoint surround sound
• Illuminated power assist steps and MultiPro Tailgate Audio System by KICKER

AVAILABLE FEATURES
• Auxiliary trailer camera