New2025 ModelLHD

GMC Sierra 2500HD

GMC SIERRA 2500HD

2025 Model

Left Hand Drive / Converted Right Hand Drive·Heavy-Duty Truck·6 Variants

Last updated

New2025 ModelLHD

GMC Sierra 2500HD

Petrol
6 Seater
10-speed automatic
6600 cc
401 HP @ 5200 RPM
464 lb-ft @ 4000 RPM
6 colors available
$90,000Ex-Works, USA
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GMC Sierra 2500HD Color Variants - Downpour Metallic
GMC Sierra 2500HD Color Variants - Glacier White Tricoat
GMC Sierra 2500HD Color Variants - Onyx Black
GMC Sierra 2500HD Color Variants - Sterling Metallic
GMC Sierra 2500HD Color Variants - Summit White
GMC Sierra 2500HD Color Variants - Titanium Rush Metallic
1 / 6
Downpour Metallic
Detailed Specifications
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The 2026 GMC Sierra 2500 HD continues GMC's tradition of delivering exceptional heavy-duty capability with minimal changes from the previous model year. This lineup offers seven distinct variants designed to meet diverse professional and personal needs, from work-focused configurations to luxury-oriented trims.

Variant Overview

Available Trims

  • Pro
  • SLE
  • SLT
  • AT4
  • Denali
  • AT4X
  • Denali Ultimate

Core Specifications by Variant

Pro

Fuel Type: Gasoline
Seating: 3 or 6-seater (Regular, Double, or Crew Cab)
Transmission: 10-speed automatic
Power: 401 HP (299 kW)
Torque: 464 lb-ft (629 Nm)
Engine: 6.6L V8
Steering: LHD
Body Type: Pickup Truck

SLE

Fuel Type: Gasoline or Diesel
Seating: 3 or 6-seater (Regular, Double, or Crew Cab)
Transmission: 10-speed automatic
Power: 401 HP (299 kW) / 470 HP (350 kW) diesel
Torque: 464 lb-ft (629 Nm) / 975 lb-ft (1322 Nm) diesel
Engine: 6.6L V8 / 6.6L Duramax Turbo-Diesel V8
Steering: LHD
Body Type: Pickup Truck

SLT

Fuel Type: Gasoline or Diesel
Seating: 6-seater (Crew Cab)
Transmission: 10-speed automatic
Power: 401 HP (299 kW) / 470 HP (350 kW) diesel
Torque: 464 lb-ft (629 Nm) / 975 lb-ft (1322 Nm) diesel
Engine: 6.6L V8 / 6.6L Duramax Turbo-Diesel V8
Steering: LHD
Body Type: Pickup Truck

AT4

Fuel Type: Gasoline or Diesel
Seating: 6-seater (Crew Cab)
Transmission: 10-speed automatic
Power: 401 HP (299 kW) / 470 HP (350 kW) diesel
Torque: 464 lb-ft (629 Nm) / 975 lb-ft (1322 Nm) diesel
Engine: 6.6L V8 / 6.6L Duramax Turbo-Diesel V8
Steering: LHD
Body Type: Pickup Truck

Denali

Fuel Type: Gasoline or Diesel
Seating: 6-seater (Crew Cab)
Transmission: 10-speed automatic
Power: 401 HP (299 kW) / 470 HP (350 kW) diesel
Torque: 464 lb-ft (629 Nm) / 975 lb-ft (1322 Nm) diesel
Engine: 6.6L V8 / 6.6L Duramax Turbo-Diesel V8
Steering: LHD
Body Type: Pickup Truck

AT4X

Fuel Type: Gasoline or Diesel
Seating: 5-seater (Crew Cab only)
Transmission: 10-speed automatic
Power: 401 HP (299 kW) / 470 HP (350 kW) diesel
Torque: 464 lb-ft (629 Nm) / 975 lb-ft (1322 Nm) diesel
Engine: 6.6L V8 / 6.6L Duramax Turbo-Diesel V8
Steering: LHD
Body Type: Pickup Truck

Denali Ultimate

Fuel Type: Gasoline or Diesel
Seating: 6-seater (Crew Cab)
Transmission: 10-speed automatic
Power: 401 HP (299 kW) / 470 HP (350 kW) diesel
Torque: 464 lb-ft (629 Nm) / 975 lb-ft (1322 Nm) diesel
Engine: 6.6L V8 / 6.6L Duramax Turbo-Diesel V8
Steering: LHD
Body Type: Pickup Truck

Available Colors by Variant

Universal Colors (All Variants)

  • Summit White
  • Onyx Black
  • Sterling Metallic
  • Volcanic Red Tintcoat

New for 2026

  • Coastal Dune (replacing Thunderstorm Gray)
  • Glacier White Tricoat (replacing White Frost Tricoat)

Additional Color Options by Trim

Pro, SLE, SLT, AT4, AT4X

  • Coastal Dune available

Denali and Denali Ultimate

  • Glacier White Tricoat available (premium option)

Cab and Bed Configurations

Regular Cab (Pro and SLE only)

  • 3-seater
  • 8-foot long bed only
  • Single row of seating

Double Cab (Pro and SLE only)

  • 6-seater
  • Standard 6'9" bed or 8-foot long bed
  • Extended cab with rear seating

Crew Cab (All trims)

  • 6-seater (5-seater in AT4X)
  • Standard 6'9" bed or 8-foot long bed
  • Full four-door configuration

Additional Specifications

Drivetrain

  • Standard: RWD (available 4WD)
  • AT4 and AT4X: 4WD standard

Towing Capacity by Configuration

  • Regular Cab: Up to 22,390 lbs (gooseneck/fifth-wheel)
  • Double Cab: Up to 18,600 lbs (gooseneck/fifth-wheel)
  • Crew Cab: Up to 21,870 lbs (gooseneck/fifth-wheel)
  • AT4X: Up to 18,500 lbs (conventional), 18,000 lbs (gooseneck/fifth-wheel)

Dimensions by Configuration

Regular Cab

  • Overall Length: 236.3"
  • Wheelbase: 142.0"
  • Ground Clearance: 10.2"
  • Max Payload: 4,049 lbs

Double Cab

  • Overall Length: 241.2"-257.2"
  • Wheelbase: 149.4"-162.5"
  • Ground Clearance: 10.1"-10.2"
  • Max Payload: 3,848 lbs

Crew Cab

  • Overall Length: 250.8"-266.8"
  • Wheelbase: 159.0"-172.0"
  • Ground Clearance: 10.1"-10.4"
  • Max Payload: 3,153-3,863 lbs

Fuel Tank Capacity

  • Standard: 36 gallons

Key Features by Variant

Pro Standard Features

Capability

  • Trailering Package with Trailering Mirrors
  • Trailer Brake Controller
  • Best-in-class HD cargo bed volume

Technology

  • 7" diagonal color touchscreen infotainment system
  • Wireless Apple CarPlay and Android Auto compatibility
  • Bluetooth streaming audio

Available Options

  • Duramax 6.6L Turbo-Diesel V8 engine
  • Adaptive Cruise Control with trailering capability

SLE Additional Features

Technology Upgrades

  • 13.4" diagonal center touchscreen
  • 12.3" diagonal digital Driver Information Center
  • Traction Select System with Tow/Haul mode

Exterior

  • 17" machined aluminum wheels

Available Options

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

SLT Premium Features

Comfort

  • 10-way power driver and front outboard passenger heated seats with lumbar
  • Heated steering wheel
  • ProGrade Trailering System with In-Vehicle Trailering App

Exterior

  • 18" machined aluminum wheels with dark grey metallic accents
  • MultiPro Tailgate standard

Available Options

  • 10-way power-adjustable heated and ventilated bucket seats
  • Perforated leather appointments

AT4 Off-Road Features

Off-Road Capability

  • Off-Road Suspension Package with twin-tube Rancho shocks
  • Skid plates for transfer case and oil pan protection
  • Standard 4WD with two-speed transfer case

Interior

  • Jet Black interior with Kalahari accents
  • Heated and ventilated perforated leather front seats

Technology

  • Up to 14 camera views with HD Surround Vision
  • 20" gloss-black aluminum wheels with available BFGoodrich off-road tires

Available Options

  • 15" diagonal Head-Up Display with off-road inclinometer

Denali Luxury Features

Premium Materials

  • Authentic open-pore wood interior trim
  • Premium leather seating surfaces
  • Jet Black with Forge perforated leather seat trim

Technology

  • 12-speaker Bose sound system
  • Enhanced infotainment system with Google built-in

Comfort

  • Advanced climate control systems
  • Power-adjustable seating with multiple configurations

AT4X Ultimate Off-Road

Advanced Off-Road Systems

  • Factory-installed 1.5" suspension lift
  • Multimatic DSSV dampers
  • 35" Goodyear Territory MT tires
  • Rear electronic-locking differential
  • Enhanced skid plate protection

Interior

  • Obsidian Rush interior with full-grain leather seating
  • Technical-grain leather accents with authentic Vanta ash wood
  • 16-way heated and ventilated power front seats with massage feature

Available Options

  • AT4X AEV Edition with stamped steel bumpers and specialized protection
  • 18" Salta gloss-black wheels

Denali Ultimate Top-Tier

Luxury Appointments

  • Alpine Umber full-grain leather interior
  • Plaited contrast stitching
  • Embossed and laser-etched topographical map patterns

Advanced Features

  • 16-way power front seats with massaging feature
  • Best-in-class front head and leg room
  • Premium audio system options

Interior Color Options by Variant

Pro

  • Jet Black cloth seat trim

SLE

  • Jet Black cloth seat trim

SLT

  • Jet Black leather-appointed seating surfaces

AT4

  • Jet Black with Kalahari accents, perforated front leather seat trim

Denali

  • Jet Black, Forge perforated leather seat trim

AT4X

  • Obsidian Rush full-grain leather seating with technical-grain leather accents

Denali Ultimate

  • Alpine Umber full-grain leather with topographical design elements

Safety & Technology Features

Standard Safety Features (Varies by Trim)

  • Automatic Emergency Braking
  • Lane Keep Assist with Lane Departure Warning
  • Forward Collision Alert
  • Following Distance Indicator
  • Blind Zone Alert
  • Rear Cross Traffic Alert
  • Teen Driver technology

Available Advanced Safety

  • Adaptive Cruise Control with trailering capability
  • HD Surround Vision with up to 14 camera views
  • Trailer Sway Control
  • Trailer Angle Indicator with Jack-knife Alert
  • Front and Rear Park Assist
  • Safety Alert Seat

Infotainment Systems

  • Pro: 7" diagonal touchscreen
  • SLE and Above: 13.4" diagonal Premium GMC Infotainment System
  • Google built-in compatibility
  • Wireless smartphone integration
  • Wi-Fi hotspot capability

The 2026 GMC Sierra 2500 HD lineup maintains its position as a capable heavy-duty truck while offering refined technology and comfort features across all variants. Each trim level provides distinct character and capability, from the work-focused Pro to the luxury-oriented Denali Ultimate.

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Vehicle Model
GMC Sierra 2500HD

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Vehicle Cost:$90,000
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