2026 GMC Sierra 2500HD

Truck 5 seats 24 trims Mid-Range Trucks ($30k-$50k)

Starting MSRP

$46,700

to $94,100

About the 2026 GMC Sierra 2500HD

The 2026 GMC Sierra 2500HD is a brute force machine wrapped in GMC's signature refined styling, ready to tackle the toughest jobs with uncompromising capability. Beneath the imposing hood churns a potent engine delivering a robust 401 horsepower and a mountainous 464 lb-ft of torque, managed expertly through a 10-speed shiftable automatic transmission. Driving dynamics on this heavy-duty powerhouse feel surprisingly composed, especially considering its substantial 79.9-inch height and commanding 236.3-inch length. With 24 available trims, ranging from the practical Pro 2dr Regular Cab LB to more opulent configurations, the 2026 Sierra 2500HD ensures that serious capability doesn't require sacrificing driver comfort or cutting-edge connectivity.

Key Highlights

Torque Command

The 464 lb-ft of torque available from the standard gas engine provides instant, low-end grunt essential for towing and hauling maneuvers.

10-Speed Precision

The 10-speed shiftable automatic transmission optimizes power delivery, ensuring smooth transitions whether cruising or engaging heavy loads.

Spacious Front Quarters

Drivers and passengers enjoy substantial space upfront, evidenced by the generous 44.5 inches of front legroom across the cabin.

Accessible Power

Operating on regular unleaded fuel simplifies fueling logistics for fleet owners or operators who demand robust performance without premium fuel requirements.

Best For

Heavy-Duty Tradesmen - Tradesmen requiring unwavering power will appreciate the standard 401 hp output necessary for towing substantial job site equipment.
Ranch Owners/Agricultural Use - The sheer scale, evidenced by its 81.8-inch width and 142.0-inch wheelbase, offers stability necessary for traversing rough, uneven terrain.
Recreational Tower Owners - With a starting price point of $46,700, the 2026 GMC Sierra 2500HD provides heavy-duty capability that can manage large fifth-wheel trailers.

Available Trims

Trim MSRP Drivetrain Horsepower MPG
AT4 4dr Crew Cab 4WD LB (6.6L 8cyl 10A)
$71,800 four wheel drive 401 hp -
AT4 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)
$71,600 four wheel drive 401 hp -
AT4X 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)
$83,700 four wheel drive 401 hp -
Denali 4dr Crew Cab 4WD LB (6.6L 8cyl 10A)
$75,200 four wheel drive 401 hp -
Denali 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)
$75,000 four wheel drive 401 hp -
Denali Ultimate 4dr Crew Cab 4WD LB (6.6L 8cyl Turbodiesel 10A)
$94,100 four wheel drive 470 hp -
Denali Ultimate 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A)
$93,800 four wheel drive 470 hp -
Pro 2dr Regular Cab 4WD LB (6.6L 8cyl 10A)
$49,500 four wheel drive 401 hp -
Pro 2dr Regular Cab LB (6.6L 8cyl 10A)
$46,700 rear wheel drive 401 hp -
Pro 4dr Crew Cab 4WD LB (6.6L 8cyl 10A)
$53,400 four wheel drive 401 hp -
Pro 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)
$53,200 four wheel drive 401 hp -
Pro 4dr Crew Cab LB (6.6L 8cyl 10A)
$50,600 rear wheel drive 401 hp -
Pro 4dr Crew Cab SB (6.6L 8cyl 10A)
$50,400 rear wheel drive 401 hp -
Pro 4dr Double Cab 4WD LB (6.6L 8cyl 10A)
$51,600 four wheel drive 401 hp -
Pro 4dr Double Cab 4WD SB (6.6L 8cyl 10A)
$51,400 four wheel drive 401 hp -
Pro 4dr Double Cab LB (6.6L 8cyl 10A)
$48,800 rear wheel drive 401 hp -
Pro 4dr Double Cab SB (6.6L 8cyl 10A)
$48,600 rear wheel drive 401 hp -
SLE 2dr Regular Cab 4WD LB (6.6L 8cyl 10A)
$53,500 four wheel drive 401 hp -
SLE 4dr Crew Cab 4WD LB (6.6L 8cyl 10A)
$57,600 four wheel drive 401 hp -
SLE 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)
$57,400 four wheel drive 401 hp -
SLE 4dr Double Cab 4WD LB (6.6L 8cyl 10A)
$55,800 four wheel drive 401 hp -
SLE 4dr Double Cab 4WD SB (6.6L 8cyl 10A)
$55,600 four wheel drive 401 hp -
SLT 4dr Crew Cab 4WD LB (6.6L 8cyl 10A)
$65,000 four wheel drive 401 hp -
SLT 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)
$64,700 four wheel drive 401 hp -
Specifications comparison table for 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD, 2026 GMC Sierra 2500HD. Data includes dimensions, performance, fuel economy, and interior specifications. Green highlighting indicates best values, red indicates worst values.

Specifications Comparison

Click column headers to sort • Green = Best • Red = Worst

Comparing 24 vehicles • Drag columns to reorder • Click and drag to select multiple cells

Features Comparison

Feature
AT4 4dr Crew Cab 4WD LB (6.6L 8cyl 10A)
AT4 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)
AT4X 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)
Denali 4dr Crew Cab 4WD LB (6.6L 8cyl 10A)
Denali 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)
Denali Ultimate 4dr Crew Cab 4WD LB (6.6L 8cyl Turbodiesel 10A)
Denali Ultimate 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A)
Pro 2dr Regular Cab 4WD LB (6.6L 8cyl 10A)
Pro 2dr Regular Cab LB (6.6L 8cyl 10A)
Pro 4dr Crew Cab 4WD LB (6.6L 8cyl 10A)
Pro 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)
Pro 4dr Crew Cab LB (6.6L 8cyl 10A)
Pro 4dr Crew Cab SB (6.6L 8cyl 10A)
Pro 4dr Double Cab 4WD LB (6.6L 8cyl 10A)
Pro 4dr Double Cab 4WD SB (6.6L 8cyl 10A)
Pro 4dr Double Cab LB (6.6L 8cyl 10A)
Pro 4dr Double Cab SB (6.6L 8cyl 10A)
SLE 2dr Regular Cab 4WD LB (6.6L 8cyl 10A)
SLE 4dr Crew Cab 4WD LB (6.6L 8cyl 10A)
SLE 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)
SLE 4dr Double Cab 4WD LB (6.6L 8cyl 10A)
SLE 4dr Double Cab 4WD SB (6.6L 8cyl 10A)
SLT 4dr Crew Cab 4WD LB (6.6L 8cyl 10A)
SLT 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)
FeatureAT4 4dr Crew Cab 4WD LB (6.6L 8cyl 10A)AT4 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)AT4X 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)Denali 4dr Crew Cab 4WD LB (6.6L 8cyl 10A)Denali 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)Denali Ultimate 4dr Crew Cab 4WD LB (6.6L 8cyl Turbodiesel 10A)Denali Ultimate 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A)Pro 2dr Regular Cab 4WD LB (6.6L 8cyl 10A)Pro 2dr Regular Cab LB (6.6L 8cyl 10A)Pro 4dr Crew Cab 4WD LB (6.6L 8cyl 10A)Pro 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)Pro 4dr Crew Cab LB (6.6L 8cyl 10A)Pro 4dr Crew Cab SB (6.6L 8cyl 10A)Pro 4dr Double Cab 4WD LB (6.6L 8cyl 10A)Pro 4dr Double Cab 4WD SB (6.6L 8cyl 10A)Pro 4dr Double Cab LB (6.6L 8cyl 10A)Pro 4dr Double Cab SB (6.6L 8cyl 10A)SLE 2dr Regular Cab 4WD LB (6.6L 8cyl 10A)SLE 4dr Crew Cab 4WD LB (6.6L 8cyl 10A)SLE 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)SLE 4dr Double Cab 4WD LB (6.6L 8cyl 10A)SLE 4dr Double Cab 4WD SB (6.6L 8cyl 10A)SLT 4dr Crew Cab 4WD LB (6.6L 8cyl 10A)SLT 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)
Safety (31 features)
Anti-Theft Alarm System (Remote)
Anti-lock Brakes (ABS)4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel4-Wheel
Automatic Headlights
Blind Spot Monitor
Daytime Running Lights
Dual Front Side-Mounted Airbags
Electronic Stability Control
Engine Immobilizer
Front Center 3-Point Seatbelt
Front Fog Lights
Front Head Airbags
Front Headrests222222222222222222222222
Front Height Adjustable Headrests
Front Ventilated Disc Brakes
Headlight Delay-Off
Integrated Turn Signal Mirrors
LATCH System
LED Headlights
Lane Departure Warning
Passenger Airbag Occupant Sensing Deactivation
Post-Collision Safety System
Pre-Collision Safety System
Rear Center 3-Point Seatbelt
Rear Cross Traffic Alert
Rear Door Child Safety Locks
Rear Head Airbags
Rear Headrests222222222222222222222
Rear Height Adjustable Headrests
Rear Ventilated Disc Brakes
Tire Pressure Monitoring System
Traction Control System
Engine (9 features)
Base Engine Displacement6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L6.6 L
Base Engine Typegasgasgasgasgasdieseldieselgasgasgasgasgasgasgasgasgasgasgasgasgasgasgasgasgas
Camshaft TypeOverhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)Overhead valves (OHV)
Fuel Injection Type
Horsepower401 hp @ 5200 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm470 hp @ 2800 rpm470 hp @ 2800 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm401 hp @ 5200 rpm
Number of CylindersV8V8V8V8V8V8V8V8V8V8V8V8V8V8V8V8V8V8V8V8V8V8V8V8
Number of Valves161616161632321616161616161616161616161616161616
Torque464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm975 lb-ft @ 1600 rpm975 lb-ft @ 1600 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm464 lb-ft @ 4000 rpm
Variable Valve TimingVariableVariableVariableVariableVariableVariableVariableVariableVariableVariableVariableVariableVariableVariableVariableVariableVariableVariableVariableVariableVariableVariable
Drive Train (7 features)
4WD System TypeOn DemandOn DemandOn DemandOn DemandOn DemandOn DemandOn DemandPart TimePart TimePart TimePart TimePart TimePart TimePart TimePart TimePart TimePart TimeOn DemandOn Demand
Drivetrain Typefour wheel drivefour wheel drivefour wheel drivefour wheel drivefour wheel drivefour wheel drivefour wheel drivefour wheel driverear wheel drivefour wheel drivefour wheel driverear wheel driverear wheel drivefour wheel drivefour wheel driverear wheel driverear wheel drivefour wheel drivefour wheel drivefour wheel drivefour wheel drivefour wheel drivefour wheel drivefour wheel drive
Hill Descent Control
Locking HubsAutomaticAutomaticAutomaticAutomaticAutomaticAutomaticAutomaticAutomaticAutomaticAutomaticAutomaticAutomaticAutomaticAutomaticAutomaticAutomaticAutomaticAutomaticAutomatic
Rear Differential TypeLockingLockingLockingLockingLockingLockingLockingLockingLockingLockingLockingLockingLockingLockingLockingLockingLockingLockingLockingLockingLockingLockingLockingLocking
Transfer Case GearingElectronic Hi-LoElectronic Hi-LoElectronic Hi-LoElectronic Hi-LoElectronic Hi-LoElectronic Hi-LoElectronic Hi-LoElectronic Hi-LoElectronic Hi-LoElectronic Hi-LoElectronic Hi-LoElectronic Hi-LoElectronic Hi-LoElectronic Hi-LoElectronic Hi-LoElectronic Hi-LoElectronic Hi-LoElectronic Hi-LoElectronic Hi-Lo
Transmission Type10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic10-speed shiftable automatic
Fuel (3 features)
EPA Driving Range (City/Highway)0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.0/0 mi.
Fuel Tank Capacity36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.36.0 gal.
Fuel Typeregular unleadedregular unleadedregular unleadedregular unleadedregular unleadeddiesel fueldiesel fuelregular unleadedregular unleadedregular unleadedregular unleadedregular unleadedregular unleadedregular unleadedregular unleadedregular unleadedregular unleadedregular unleadedregular unleadedregular unleadedregular unleadedregular unleadedregular unleadedregular unleaded
Warranty (5 features)
Basic Warranty3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.3 yr./ 36000 mi.
Complimentary Scheduled Maintenance1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.1 yr./ unlimited mi.
Corrosion/Rust Warranty6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.6 yr./ 100000 mi.
Drivetrain Warranty5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 100000 mi.5 yr./ 100000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.
Roadside Assistance5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.5 yr./ 60000 mi.
Comfort & Convenience (32 features)
Adaptive Cruise Control
Audio Controls on Steering Wheel
Auto-Dimming Rearview Mirror
Cruise Control
Cruise Control on Steering Wheel
Digital Rearview Mirror
Dual Vanity Mirrors
Dual Zone Climate Control
Front Cupholders
Front Door Pockets
Front Parking Sensors
Front Seatback Storage
Front View Camera
Heated Steering Wheel
Leather Steering Wheel
Leatherette Steering Wheel
Power Steering
Push Button Start
Rear Cupholders
Rear Door Pockets
Rear Parking Sensors
Rear Ventilation Ducts
Rear View Camera
Side View Camera
Single Zone Climate Control
Steering Wheel Controls
Sun Sensor
Tilt Steering Wheel
Tilt and Telescopic Steering Wheel
Turn Signal Indicators in Mirrors
Universal Remote Transmitter
Wireless Charging Pad
In Car Entertainment (14 features)
AM/FM Stereo
Android Auto (Wired)
Android Auto (Wireless)
Apple CarPlay (Wired)
Apple CarPlay (Wireless)
Auxiliary Audio Input
Infotainment Display13.4 in13.4 in13.4 in13.4 in13.4 in13.4 in13.4 in7.0 in7.0 in7.0 in7.0 in7.0 in7.0 in7.0 in7.0 in7.0 in7.0 in13.4 in13.4 in13.4 in13.4 in13.4 in13.4 in13.4 in
Premium Speaker BrandBoseBoseBoseBoseBoseBoseBose
Satellite Radio
Speaker System771277121222666666662666666
Speed Sensitive Volume Control
Subwoofer Count1111111
USB Port
USB Port with External Media Control
Power Feature (5 features)
Heated Mirrors
Keyless Entry
Moonroof Type1st Row Power Glass1st Row Power Glass1st Row Power Glass
One-Touch Power Windows444444422444444442444444
Power Door Locks
Frontseats (23 features)
Driver Seat HeatingMulti-levelMulti-levelMulti-levelMulti-levelMulti-levelMulti-levelMulti-levelMulti-levelMulti-level
Driver Seat Height Adjustment
Driver Seat Lumbar SupportPowerPowerPowerPowerPowerPowerPowerPowerPower
Driver Seat Manual Adjustments4-way4-way4-way4-way4-way4-way4-way4-way4-way4-way4-way4-way4-way4-way4-way
Driver Seat Memory Settings222222222
Driver Seat Power Adjustments8-way8-way12-way8-way8-way12-way12-way8-way8-way
Driver Seat Ventilation
Front Head Room43.0 in.43.0 in.43.0 in.43.0 in.43.0 in.43.0 in.43.0 in.43.1 in.43.1 in.43.0 in.43.0 in.43.0 in.43.0 in.43.0 in.43.0 in.43.0 in.43.0 in.43.1 in.43.0 in.43.0 in.43.0 in.43.0 in.43.0 in.43.0 in.
Front Hip Room61.2 in.61.2 in.61.2 in.61.2 in.61.2 in.61.2 in.61.2 in.60.9 in.60.9 in.61.2 in.61.2 in.61.2 in.61.2 in.61.2 in.61.2 in.61.2 in.61.2 in.60.9 in.61.2 in.61.2 in.61.2 in.61.2 in.61.2 in.61.2 in.
Front Leg Room44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.44.5 in.
Front Seat Type: 40-20-40 Split Bench
Front Seat Type: Bucket
Front Shoulder Room66.0 in.66.0 in.66.0 in.66.0 in.66.0 in.66.0 in.66.0 in.66.1 in.66.1 in.66.0 in.66.0 in.66.0 in.66.0 in.66.0 in.66.0 in.66.0 in.66.0 in.66.1 in.66.0 in.66.0 in.66.0 in.66.0 in.66.0 in.66.0 in.
Passenger Seat HeatingMulti-levelMulti-levelMulti-levelMulti-levelMulti-levelMulti-levelMulti-levelMulti-levelMulti-level
Passenger Seat Height Adjustment
Passenger Seat Lumbar SupportPowerPowerPowerPowerPowerPowerPowerPowerPower
Passenger Seat Manual Adjustments4-way4-way4-way4-way4-way4-way4-way4-way4-way4-way4-way4-way4-way4-way4-way
Passenger Seat Power Adjustments8-way8-way12-way8-way8-way12-way12-way8-way8-way
Passenger Seat Ventilation
Seat Massage Function
Seat Material: Cloth
Seat Material: Leather
Seat Material: Premium Leather
Rearseats (7 features)
Folding Center Armrest
Heated Rear Seats (Multi-Level)
Rear Head Room40.1 in.40.1 in.40.1 in.40.1 in.40.1 in.40.1 in.40.1 in.40.1 in.40.1 in.40.1 in.40.1 in.40.1 in.39.9 in.39.9 in.39.9 in.40.1 in.40.1 in.39.9 in.39.9 in.40.1 in.40.1 in.
Rear Hip Room60.2 in.60.2 in.60.2 in.60.2 in.60.2 in.60.2 in.60.2 in.60.2 in.60.2 in.60.2 in.60.2 in.60.2 in.60.2 in.60.2 in.60.2 in.60.2 in.60.2 in.60.2 in.60.2 in.60.2 in.60.2 in.
Rear Leg Room43.4 in.43.4 in.43.4 in.43.4 in.43.4 in.43.4 in.43.4 in.43.4 in.43.4 in.43.4 in.43.4 in.43.4 in.35.2 in.35.2 in.35.2 in.43.4 in.43.4 in.35.2 in.35.2 in.43.4 in.43.4 in.
Rear Shoulder Room65.3 in.65.3 in.65.3 in.65.3 in.65.3 in.65.3 in.65.3 in.65.3 in.65.3 in.65.3 in.65.3 in.65.3 in.64.9 in.64.9 in.64.9 in.65.3 in.65.3 in.64.9 in.64.9 in.65.3 in.65.3 in.
Split-Folding Rear Seatback
Tires and Wheels (7 features)
Spare Tire LocationUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody MountedUnderbody Mounted
Spare Tire TypeFull Size Non-MatchingFull Size Non-MatchingFull Size Non-MatchingFull Size Non-MatchingFull Size Non-MatchingFull Size Non-MatchingFull Size Non-MatchingFull Size MatchingFull Size MatchingFull Size MatchingFull Size MatchingFull Size MatchingFull Size MatchingFull Size MatchingFull Size MatchingFull Size MatchingFull Size MatchingFull Size Non-MatchingFull Size Non-MatchingFull Size Non-MatchingFull Size Non-MatchingFull Size Non-MatchingFull Size Non-MatchingFull Size Non-Matching
Tire SizeLT275/65R20LT275/65R20LT305/70R18LT275/65R20LT275/65R20LT275/65R20LT275/65R20LT245/75R17LT245/75R17LT245/75R17LT245/75R17LT245/75R17LT245/75R17LT245/75R17LT245/75R17LT245/75R17LT245/75R17LT245/75R17LT245/75R17LT245/75R17LT245/75R17LT245/75R17LT275/70R18LT275/70R18
Tire TypeAll TerrainAll TerrainAll TerrainAll TerrainAll TerrainAll TerrainAll TerrainAll SeasonAll SeasonAll SeasonAll SeasonAll SeasonAll SeasonAll SeasonAll SeasonAll SeasonAll SeasonAll SeasonAll SeasonAll SeasonAll SeasonAll SeasonAll TerrainAll Terrain
Wheel Diameter20 in.20 in.18 in20 in.20 in.20 in.20 in.17 in17 in17 in17 in17 in17 in17 in17 in17 in17 in17 in17 in17 in17 in17 in18 in18 in
Wheel FinishPainted AlloyPainted AlloyPainted AlloyPainted/Chrome AlloyPainted/Chrome AlloyPainted AlloyPainted AlloyPainted SteelPainted SteelPainted SteelPainted SteelPainted SteelPainted SteelPainted SteelPainted SteelPainted SteelPainted SteelPainted AlloyPainted Alloy
Wheel MaterialAlloyAlloyAlloyAlloyAlloy
Suspension (2 features)
Front Suspension TypeIndependentIndependentIndependentIndependentIndependentIndependentIndependentIndependentIndependentIndependentIndependentIndependentIndependentIndependentIndependentIndependentIndependentIndependentIndependentIndependentIndependentIndependentIndependentIndependent
Stabilizer Bar
Instrumentation (5 features)
Clock
Compass
External Temperature Display
Tachometer
Trip Computer
Measurements (12 features)
Bed Length98.3 in.82.2 in.82.2 in.98.3 in.82.2 in.98.3 in.82.2 in.98.3 in.98.3 in.98.3 in.82.2 in.98.3 in.82.2 in.98.3 in.82.3 in.98.3 in.82.3 in.98.3 in.98.3 in.82.2 in.98.3 in.82.3 in.98.3 in.82.2 in.
Country of Final AssemblyUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited StatesUnited States
Curb Weight7482 lbs.7378 lbs.7502 lbs.7195 lbs.7099 lbs.8353 lbs.8233 lbs.6614 lbs.6267 lbs.7111 lbs.7019 lbs.6803 lbs.6703 lbs.7022 lbs.6931 lbs.6718 lbs.6584 lbs.6614 lbs.7111 lbs.7019 lbs.7022 lbs.6931 lbs.7195 lbs.7099 lbs.
Gross Vehicle Weight Rating (GVWR)11050 lbs.10850 lbs.10850 lbs.11050 lbs.10850 lbs.11550 lbs.11350 lbs.10250 lbs.10000 lbs.10650 lbs.10450 lbs.10300 lbs.10150 lbs.10500 lbs.10350 lbs.10200 lbs.10050 lbs.10250 lbs.10650 lbs.10450 lbs.10500 lbs.10350 lbs.10650 lbs.10450 lbs.
Ground Clearance10.1 in.10.1 in.11.6 in.10.1 in.10.1 in.10.3 in.10.3 in.10.2 in.10.2 in.10.1 in.10.1 in.10.1 in.10.1 in.10.1 in.10.2 in.10.1 in.10.2 in.10.2 in.10.1 in.10.1 in.10.1 in.10.2 in.10.1 in.10.1 in.
Height79.7 in.79.8 in.82.7 in.79.7 in.79.8 in.79.7 in.79.8 in.79.9 in.79.9 in.79.7 in.79.8 in.79.7 in.79.8 in.79.8 in.80.0 in.79.8 in.80.0 in.79.9 in.79.7 in.79.8 in.79.8 in.80.0 in.79.7 in.79.8 in.
Length266.8 in.250.8 in.250.8 in.266.8 in.250.8 in.266.8 in.250.8 in.236.3 in.236.3 in.266.8 in.250.8 in.266.8 in.250.8 in.257.2 in.241.2 in.257.2 in.241.2 in.236.3 in.266.8 in.250.8 in.257.2 in.241.2 in.266.8 in.250.8 in.
Maximum Payload3524 lbs.3428 lbs.3304 lbs.3812 lbs.3707 lbs.3153 lbs.3096 lbs.3592 lbs.3689 lbs.3495 lbs.3387 lbs.3453 lbs.3403 lbs.3434 lbs.3375 lbs.3438 lbs.3422 lbs.3592 lbs.3495 lbs.3387 lbs.3434 lbs.3375 lbs.3812 lbs.3707 lbs.
Maximum Towing Capacity18500 lbs.18500 lbs.18500 lbs.20000 lbs.20000 lbs.20000 lbs.20000 lbs.14500 lbs.14500 lbs.20000 lbs.20000 lbs.20000 lbs.20000 lbs.14500 lbs.14500 lbs.14500 lbs.14500 lbs.14500 lbs.20000 lbs.20000 lbs.14500 lbs.14500 lbs.20000 lbs.20000 lbs.
Turning Circle57.0 ft.52.7 ft.51.8 ft.57.0 ft.52.7 ft.57.0 ft.52.7 ft.46.9 ft.46.9 ft.57.0 ft.52.7 ft.57.0 ft.52.7 ft.53.9 ft.49.5 ft.53.9 ft.49.5 ft.46.9 ft.57.0 ft.52.7 ft.53.9 ft.49.5 ft.57.0 ft.52.7 ft.
Wheelbase172.0 in.159.0 in.159.0 in.172.0 in.159.0 in.172.0 in.159.0 in.142.0 in.142.0 in.172.0 in.159.0 in.172.0 in.159.0 in.162.0 in.149.0 in.162.0 in.149.0 in.142.0 in.172.0 in.159.0 in.162.0 in.149.0 in.172.0 in.159.0 in.
Width (Without Mirrors)81.9 in.81.9 in.81.9 in.81.9 in.81.9 in.81.9 in.81.9 in.81.8 in.81.8 in.81.9 in.81.9 in.81.9 in.81.9 in.81.9 in.81.9 in.81.9 in.81.9 in.81.8 in.81.9 in.81.9 in.81.9 in.81.9 in.81.9 in.81.9 in.
Telematics (8 features)
Airbag Deployment Notification
Concierge Service
Destination Download
Emergency Service
Hands-Free Calling
Roadside Assistance
Stolen Vehicle Tracking
Turn-by-Turn Navigation

Frequently Asked Questions

What fuel type is required for the standard engine in the 2026 GMC Sierra 2500HD?

The 2026 GMC Sierra 2500HD utilizes a gas engine that runs optimally on regular unleaded fuel. This standard powertrain produces 401 horsepower and 464 lb-ft of torque.

How does the seating configuration vary across the entry-level trims?

GMC offers diverse cab configurations, as seen in the available trims like the Pro 2dr Regular Cab LB, which seats three, alongside 4dr Double Cab and 4dr Crew Cab options.

What is the overall footprint of the 2026 GMC Sierra 2500HD?

The 2026 GMC Sierra 2500HD is a commanding presence, measuring 236.3 inches in length and 79.9 inches in height. Its standard wheelbase is listed at 142.0 inches.

Can I expect a manual transmission option for the 2026 Sierra 2500HD?

No, the primary transmission offering across the documented trims for the 2026 GMC Sierra 2500HD is a sophisticated 10-speed shiftable automatic.

What is the price range disparity between the most basic and most premium 2026 Sierra 2500HD models?

The pricing for the 2026 GMC Sierra 2500HD spans substantially, starting at $46,700 and extending up to $94,100 for the top-tier configurations across the 24 available trims.

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