Engine, 6.6L V8 With Direct Injection And Variable Valve Timing, Gasoline • L8T
(401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm)
Transmission, 10-Speed Automatic • MKM
Gvwr, 11,550 Lbs. (5239 Kg) With Single Rear Wheels • JGN
Rear Axle, 3.73 Ratio • GT4
Convenience Package • PCI
includes (QT5) EZ Lift power lock and release tailgate, (AKO) tinted glass, (UF2) LED cargo bed lighting, (C49) rear-window defogger and Double Cab and Crew Cab models include (DBG) outside power-adjustable vertical trailering with heated upper glass. Note: when (G9Y) 14,000 lbs. (6350 kg) with dual rear wheels is ordered, (DWI) Mirrors, outside power-adjustable vertical trailering will be required.
High Idle Switch • UF3
Alternator, 220 Amps • KW5
Upfitter Switch Kit, (5) • 9L7
Provides 3-30 amp and 2-20 amp configurable circuits to facilitate installation of aftermarket electrical accessories. Kit with all required parts will be shipped loose with the truck for installation by the dealer or upfitter at customer expense. Installation instructions and technical assistance available at www.gmupfitter.com.
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Options
Air Conditioning
Bluetooth Connection
Cruise Control
Keyless Entry
Lane Assist
Power Windows
Running Boards
Smart Device Integration
Wi-Fi Hotspot
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Entertainment
AM/FM Stereo
Auxiliary Audio Input
Bluetooth Connection
MP3 Player
Smart Device Integration
Audio system feature, 6-speaker system (Requires Crew Cab or Double Cab model.)
WiFi Hotspot
Exterior
Steel Wheels
Tires - Front All-Terrain
Tires - Rear All-Terrain
Conventional Spare Tire
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
Bumper, front chrome lower
Bumper, rear chrome with bumper CornerSteps
CornerStep, rear bumper
Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available with (ZW9) pickup bed delete.)
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Daytime Running Lights
LED Headlights
Automatic Highbeams
Taillamps, LED Signature Tail, Incandescent Brake, Turn & Reverse Lamps
Lamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
Mirrors, outside high-visibility vertical trailering lower convex mirrors, manual-folding/extending (extends 3.31" [84.25mm]), moulded in Black (Not available on Regular Cab models.)
Door handles, Black grained
Tailgate, standard (Deleted with (ZW9) pickup bed delete.)
Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)
Tailgate, locking, utilizes same key as ignition and door (Included and only available with (QK1) standard tailgate. Deleted with (ZW9) pickup bed delete.)
Tailgate, gate function manual, no lift assist (Deleted with (ZW9) pickup bed delete.)
Interior
Split Bench Seat
Vinyl Seats
Seat adjuster, driver 4-way manual
Seat adjuster, passenger 4-way manual
Pass-Through Rear Seat
Rear Bench Seat
Floor Mats
Steering wheel, urethane
Adjustable Steering Wheel
Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
Driver Information Centre, 3.5" diagonal monochromatic display
Exterior Temperature Display located in radio display
Window, power front, drivers express up/down
Power Windows
Power Door Locks
Keyless Entry
Cruise Control
Power Outlet
Auxiliary Audio Input
MP3 Player
A/C
Air vents, rear (Not available with Regular Cab model.)
Mirror, inside rearview, manual tilt
Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
Mechanical
8 Cylinder Engine
Gasoline Fuel
10-Speed A/T
A/T
Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
Running Boards/Side Steps
GVWR, 11,550 lbs. (5239 kg) with single rear wheels (Included and only available with TK30743 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
Keyless Start
Air filter, heavy-duty
Air filtration monitoring
Transfer case, two-speed electronic shift with push button controls (Requires 4WD models.)
Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
Trailer brake controller, integrated
Tow Hooks
Suspension Package (Not available with (X31) Off-Road Package.)
Power Steering
4-Wheel Disc Brakes
ABS
Brake lining wear indicator
Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine. Not included with (ZW9) pickup bed delete.)
Package
Automatic Highbeams
Front Collision Mitigation
Front Collision Warning
Lane Departure Warning
Tow Hitch
Processing-other
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering (Not available with (ZW9) pickup bed delete.)
Safety
Front Collision Mitigation
Front Collision Warning
Stability Control
Traction Control
Daytime Running Lights
Driver Air Bag
Front Head Air Bag
Front Side Air Bag
Passenger Air Bag
Passenger Air Bag Sensor
Rear Head Air Bag
Requires Subscription
Telematics
Back-Up Camera
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching (Deleted with (ZW9) pickup bed delete.)
Lane Departure Warning
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
Driver Restriction Features
Seat Belt Adjustable Guide Loops, front row only (Included and only available on Crew Cab and Double Cab models. Not available with (ZW9) pickup bed delete.)
Rear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)
Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety)
Tire Pressure Monitor
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Summary
Vehicle Name
GMC Sierra 3500HD
Body Style
Crew Cab Pickup
Body Code
E63
Transmission
Drivetrain
Four Wheel Drive
Trans Order Code
MKM
Trans Type
10
Trans Description Cont.
Automatic
First Gear Ratio (:1)
Second Gear Ratio (:1)
Third Gear Ratio (:1)
Fourth Gear Ratio (:1)
Fifth Gear Ratio (:1)
Sixth Gear Ratio (:1)
Seventh Gear Ratio (:1)
Eighth Gear Ratio (:1)
Ninth Gear Ratio (:1)
Tenth Gear Ratio (:1)
Reverse Ratio (:1)
Interior dimensions
Passenger Capacity
6
Front Head Room (in)
39.88
Front Leg Room (in)
44.53
Front Shoulder Room (in)
66.02
Front Hip Room (in)
61.18
Second Head Room (in)
40.12
Second Leg Room (in)
43.4
Second Shoulder Room (in)
65.3
Second Hip Room (in)
60.24
Weight information
Gross Axle Wt Rating - Front (lbs)
4800
Gross Axle Wt Rating - Rear (lbs)
7250
Curb Weight - Front (lbs)
4032
Curb Weight - Rear (lbs)
2928
Gross Vehicle Weight Rating Cap (lbs)
11550
Gross Combined Wt Rating (lbs)
26000
Trailering
Dead Weight Hitch - Max Trailer Wt. (lbs)
5000
Dead Weight Hitch - Max Tongue Wt. (lbs)
500
Wt Distributing Hitch - Max Trailer Wt. (lbs)
16000
Wt Distributing Hitch - Max Tongue Wt. (lbs)
1600
Fifth Wheel Hitch - Max Trailer Wt. (lbs)
18300
Fifth Wheel Hitch - Max Tongue Wt. (lbs)
4575
Maximum Trailering Capacity (lbs)
20000
Engine
Engine Order Code
L8T
Engine Type
Gas V8
Displacement
6.6L
Fuel System
Direct Injection
SAE Net Horsepower @ RPM
401 @ 5200
SAE Net Torque @ RPM
464 @ 4000
Engine Oil Cooler
Yes
Electrical
Cold Cranking Amps @ 0° F (Primary)
720
Maximum Alternator Capacity (amps)
220
Frame
Frame Type
Hydroformed
Suspension
Suspension Type - Front
Short/Long Arm w/Torsion Bars
Suspension Type - Rear
3-Stage Multi-Leaf
Axle Type - Front
Independent
Axle Ratio (:1) - Front
3.73
Axle Ratio (:1) - Rear
3.73
Shock Absorber Diameter - Front (mm)
51
Shock Absorber Diameter - Rear (mm)
51
Stabilizer Bar Diameter - Front (in)
1.38
Tires
Front Tire Order Code
QF6
Rear Tire Order Code
QF6
Spare Tire Order Code
ZYG
Front Tire Size
LT275/70R18
Rear Tire Size
LT275/70R18
Spare Tire Size
LT275/70R18
Wheels
Front Wheel Size (in)
18 x 8
Rear Wheel Size (in)
18 x 8
Spare Wheel Size (in)
18 x 8
Front Wheel Material
Steel
Rear Wheel Material
Steel
Spare Wheel Material
Steel
Steering
Steering Type
Pwr Recirculating Ball
Steering Ratio (:1), At Lock
N/A
Turning Diameter - Curb to Curb (ft)
52.7
Turning Diameter - Wall to Wall (ft)
N/A
Brakes
Brake Type
Pwr
Brake ABS System
4-Wheel
Disc - Front
Yes
Disc - Rear
Yes
Front Brake Rotor Diam x Thickness (in)
14 x 1.6
Rear Brake Rotor Diam x Thickness (in)
14.1 x 1.3
Fuel tank
Fuel Tank Capacity, Approx (L)
136
Exterior dimensions
Wheelbase (in)
158.94
Length, Overall (in)
250.75
Width, Max w/o mirrors (in)
81.85
Height, Overall (in)
80.87
Cab to Axle (in)
42.17
Ground Clearance, Front (in)
11.18
Ground Clearance, Rear (in)
11.18
Cargo area dimensions
Cargo Box Length @ Floor (in)
82.2
Cargo Box Width @ Floor (in)
71.4
Cargo Box Width @ Wheelhousings (in)
51.85
Cargo Box (Area) Height (in)
21
Cargo Volume (ft³)
69.5
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* Every reasonable effort is made to ensure the accuracy of the information listed above. Vehicle pricing, incentives, options (including standard equipment), and technical specifications listed is for the 2026 GMC Sierra 3500HD Pro may not match the exact vehicle displayed. Please confirm the accuracy of this information with a sales representative.