2026 GMC Sierra 3500 Double Cab 4WD Reading Service Truck
Stock #CT29888
Vehicle Notes
Running Boards, Back-Up Camera, 4x4, ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE, TRANSMISSION, 10-SPEED AUTOMATIC, ENGINE, DURAMAX 6.…
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Chassis Details
Stock Number
CT29888
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 3500
Class
3
GVWR
12,150
Drivetrain
4WD
Cab Type
Double
Vehicle Trim
Pro
Interior Color
Jet Black, Vinyl seat trim
Seating Capacity
6
Exterior Color Description
Summit White
Engine Cylinder Count
8
Engine
6.6L Duramax Turbo-Diesel V8 engine
Transmission Type
Automatic
Fuel Type
Diesel
Engine Model
L5P
Engine Size (L)
6.6
Horsepower
470
Vehicle Options
- Moldings, beltline, Black
- Seat adjuster, driver 4-way manual
- Air vents, rear (Not available with Regular Cab model.)
- Bluetooth for phone connectivity to vehicle infotainment system
- Tires, LT275/70R18E all-terrain, blackwall (STD) (Requires single rear wheels.)
- IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
- Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
- Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Deleted with (ZW9) pickup bed delete.)
- Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching (Deleted with (ZW9) pickup bed delete.)
- Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
- Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
- Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
- Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
- Recovery hooks, front, frame-mounted, Black
- Tailgate, locking, utilizes same key as ignition and door (Included and only available with (QK1) standard tailgate. Deleted with (ZW9) pickup bed delete.)
- CornerStep, rear bumper
- Auto-locking rear differential
- Tire, spare LT275/70R18 all-terrain, blackwall (STD) (Included and only available with (QF6) LT275/70R18E all-terrain, blackwall tires with (E63) pickup bed single rear wheel models. Available to order when (ZW9) pickup bed delete and (QF6) LT275/70R18E all-terrain, blackwall tires are ordered with single rear wheel models.)
- LED Signature DRL's
- Window, power front, passenger express down
- Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
- Trailer brake controller, integrated
- Cooling, external engine oil cooler
- Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering (Not available with (ZW9) pickup bed delete.)
- Steering, Recirculating Ball with smart flow power steering system
- Cruise control, steering wheel-mounted
- Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable) (STD)
- Driver Information Center, 3.5" diagonal monochromatic display
- Air conditioning, single-zone
- Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
- Cooling, auxiliary external transmission oil cooler
- Remote Keyless Entry
- Cargo tie downs (12), fixed, rated at 500 lbs per corner
- Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)
- Compass, located in instrument cluster
- Grille, Chrome with flat black grille insert bars
- Single Rear Wheels (STD)
- Floor covering, rubberized-vinyl (Not available with LPO floor liners.)
- Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
- Tire Pressure Monitoring System auto learn, includes Tire Fill Alert (does not apply to spare tire)
- HD Rear Vision Camera (Not available with (ZW9) pickup bed delete. Removed with (UV2) HD Surround Vision.)
- Seat trim, Vinyl
- OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
- Window, power front, drivers express up/down
- Four wheel drive
- Brake lining wear indicator
- Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
- Wheels, 18" (45.7 cm) 8-spoke painted steel, Silver Extended (STD) (Requires single rear wheels.)
- Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor) (Not available with Regular Cab model.)
- Glass, solar absorbing, tinted
- Transfer case, two-speed electronic shift with push button controls (Requires 4WD models.)
- Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps
- 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)
- Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available with (ZW9) pickup bed delete.)
- Seat adjuster, passenger 4-way manual
- Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
- Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
- USB Ports, 2, Charge/Data ports located on instrument panel
- Tailgate, standard (Deleted with (ZW9) pickup bed delete.)
- Door handles, Black grained
- Steering wheel, urethane
- Steering column, Tilt-Wheel, manual with wheel locking security feature
- Tailgate, gate function manual, no lift assist (Deleted with (ZW9) pickup bed delete.)
- Audio system feature, 6-speaker system (Requires Crew Cab or Double Cab model.)
- OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including remote commands, built-in voice assistance, real-time traffic and navigation, and Automatic Crash Response to help if you're in need. (Requires (UE1) OnStar. OnStar Basics includes remote commands, Navigation, Voice Assistance, and Automatic Crash Response, for eligible vehicles with compatible software. OnStar Basics is standard for 8 years; OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. See onstar.com for details and limitations.)
- Bumper, front chrome lower
- Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
- Exterior Temperature Display located in radio display
- Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
- 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.)
- Wireless Phone Projection for Apple CarPlay and Android Auto
- Windows, power rear, express down (Not available on Regular Cab models.)
- Door locks, power
- Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
- Audio system, GMC Infotainment System with 7" diagonal color touch-screen, AM/FM stereo with seek-and-scan and digital clock, includes Bluetooth streaming audio for music and select phones; featuring wireless Apple CarPlay and Android Auto capable (STD)
- Suspension Package (Not available with (X31) Off-Road Package.)
- Daytime Running Lamps LED signature lighting
- Indicator-Seat Belt WARNING, Rear Seat (Requires Crew Cab or Double Cab model.)
- Taillamps, LED Signature Tail, Incandescent Brake, Turn & Reverse Lamps (Requires single rear wheels.)
- StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
- Power outlet, front auxiliary, 12-volt
- Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible
- Engine block heater
- Pro Preferred Equipment Group
- Convenience Package
- Back-up alarm calibration
- Pickup bed, delete
- Rear Camera Kit
- Winter Grille Cover
- Capped Fuel Fill
- Emissions override, Federal
- Power outlet, instrument panel, 120-volt
- Upfitter switch kit, (5)
- GVWR, 12,150 lbs. (5511 kg) with single rear wheels
- Mirror, inside rearview auto-dimming
- Exhaust Brake
- Bumper, rear, delete
- Colorado, Connecticut, Delaware, Maine, Maryland, Massachusetts, Minnesota, Nevada, New Jersey, New Mexico, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington state requirements
- Summit White
- Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass
- License plate kit, front
- Jet Black, Vinyl seat trim
- Single Rear Wheels
- Transmission, 10-speed automatic
- Skid Plates
- Battery, heavy-duty 730 cold-cranking amps/70 Amp-hr
- Alternator, 220 amps
- Rear axle, 3.42 ratio
- Defogger, rear-window electric
- Glass, deep-tinted
- CUSTOMER DIALOGUE NETWORK
- View All
Body Details
Manufacturer
Body Type
Service Truck
Body Model
U98-SWs
Body Material
Steel
Body Length
8' 2"
Body Width
77.5"
Body Height
40"
Body Inside Width
48.5"
Body Weight
1046 lbs.
Compartment Description
"A" Compartment Layout - Both Sides
Compartment Depth
14.5"
Floor Description
Treadplate
Floor Material
Steel
Lighting Type
LED
Lighting Description
All Lights
Tailgate Type
Slam Action
Bumper Type
Recessed Pooched
Bumper Color
White
Hitch Type
Receiver
Hitch Size
2.5"
Hitch Capacity
18K
Classic II Steel Features
There are many service bodies on the market, but there’s only one Classic II™. The Classic II™ steel service body, available for both single rear wheel and dual wheel chassis, is built with premium A60 coating-weight steel construction and our exclusive Triple Protection E-coat primer and powder coat finish to resist corrosion better than any other truck body on the market.
In addition, the Classic II™ offers features not found on any other service truck body. Our pressed diamond plate floor and inner tailgate surface provides superior strength and durability. Our patented hidden hinge system is fully adjustable and theft-resistant. Our exclusive Dual-Pro® seal system offers expanded door clearances and superior weather protection.
And that’s just the beginning. Add our industry-leading 6-year limited warranty and it’s easy to see why there’s No Body Better than the Classic II™.
Body Installed by
Reading
PO Box 301121
Dallas, TX 75303
Disclaimer:
*Dealer Administrative Charge is included in advertised price. All prices and offers are before tax, tag, title, license and mv rights act fee. Out of state buyers are responsible for all state, county, city taxes and fees, as well as title/registration fees in the state that the vehicle will be registered. All prices and offers include all rebates and incentives which the dealer retains unless otherwise specifically provided. Dealer not responsible for errors and omissions; all offers subject to change without notice, please confirm listings with dealer.**All vehicles may not be physically located at this dealership but may be available for delivery through this location. Transportation charges are included in the posted price. Please contact the dealership for more specific information. All vehicles are subject to prior sale.