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Price: $55,943

New 2026 GMC Sierra 3500 Double Cab Service Truck

Stock #G26435
New 2026 GMC Sierra 3500 Double Cab Service Truck for sale #G26435 - photo 1
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Vehicle Notes

$1,000 off MSRP! Summit White 2026 GMC Sierra 3500HD Pro 4WD 10-Speed Automatic 6.6L V8You can work your entire deal online, get pre-approved, compare…
Read More… $1,000 off MSRP! Summit White 2026 GMC Sierra 3500HD Pro 4WD 10-Speed Automatic 6.6L V8

You can work your entire deal online, get pre-approved, compare rates, get your trade in value and find out what your payment will be before stepping foot into the dealership. Click on See Payment Options on our website to get started. Prices are plus service bill, tax & fees. Recent Arrival! All prices are plus destination, tax, title, license, and $225 documentation fee. Not all customers will qualify for all incentives. Prices may not reflect dealer installed accessories. Please see dealer for details and final pricing. $1000 - Purchase Allowance. Exp. 08/03/2026
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Chassis Details

Stock Number
G26435
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 3500
Class
3
GVWR
11,600
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 V8 Gas engine
Transmission Type
Automatic
Fuel Type
Gasoline
Engine Model
L8T
Engine Size (L)
6.6
Horsepower
401
Brake Type
Hydraulic

Vehicle Options

  • Bumper, front chrome lower
  • Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Tailgate, standard (Deleted with (ZW9) pickup bed delete.)
  • Tires, LT275/70R18E all-terrain, blackwall (STD) (Requires single rear wheels.)
  • Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm) (STD)
  • Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Glass, solar absorbing, tinted
  • Seat trim, Vinyl
  • 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.)
  • Tailgate, gate function manual, no lift assist (Deleted with (ZW9) pickup bed delete.)
  • Daytime Running Lamps LED signature lighting
  • Tailgate, locking, utilizes same key as ignition and door (Included and only available with (QK1) standard tailgate. Deleted with (ZW9) pickup bed delete.)
  • Taillamps, LED Signature Tail, Incandescent Brake, Turn & Reverse Lamps (Requires single rear wheels.)
  • Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Driver Information Center, 3.5" diagonal monochromatic display
  • Transmission, 10-Speed automatic (STD)
  • Moldings, beltline, Black
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • LED Signature DRL's
  • Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
  • GVWR, 11,600 lbs. (5262 kg) with single rear wheels (Included and only available with TK30953 model with (L8T) 6.6L V8 gas engine with 18" or 20" wheels. Requires single rear wheels.) (STD)
  • 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.)
  • Windows, power rear, express down (Not available on Regular Cab models.)
  • Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
  • Transfer case, two-speed electronic shift with push button controls (Requires 4WD models.)
  • 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.)
  • Window, power front, passenger express down
  • Air filter, heavy-duty
  • 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
  • Window, power front, drivers express up/down
  • Cooling, external engine oil cooler
  • Cruise control, steering wheel-mounted
  • Single Rear Wheels (STD)
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Deleted with (ZW9) pickup bed delete.)
  • Indicator-Seat Belt WARNING, Rear Seat (Requires Crew Cab or Double Cab model.)
  • 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.)
  • Door handles, Black grained
  • Brake lining wear indicator
  • Exterior Temperature Display located in radio display
  • Power outlet, front auxiliary, 12-volt
  • Door locks, power
  • Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable) (STD)
  • Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor) (Not available with Regular Cab model.)
  • Seat adjuster, passenger 4-way manual
  • Remote Keyless Entry
  • Air conditioning, single-zone
  • Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
  • Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering (Not available with (ZW9) pickup bed delete.)
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching (Deleted with (ZW9) pickup bed delete.)
  • Push Button Start
  • Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available with (ZW9) pickup bed delete.)
  • Auto-locking rear differential
  • 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)
  • Bluetooth for phone connectivity to vehicle infotainment system
  • Cargo tie downs (12), fixed, rated at 500 lbs per corner
  • Wheels, 18" (45.7 cm) 8-spoke painted steel, Silver Extended (STD) (Requires single rear wheels.)
  • Compass, located in instrument cluster
  • Wireless Phone Projection for Apple CarPlay and Android Auto
  • Steering wheel, urethane
  • Suspension Package (Not available with (X31) Off-Road Package.)
  • HD Rear Vision Camera (Not available with (ZW9) pickup bed delete. Removed with (UV2) HD Surround Vision.)
  • Steering, Recirculating Ball with smart flow power steering system
  • Grille, Chrome with flat black grille insert bars
  • Cooling, auxiliary external transmission oil cooler
  • Air filtration monitoring
  • USB Ports, 2, Charge/Data ports located on instrument panel
  • Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps
  • Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Recovery hooks, front, frame-mounted, Black
  • Tire Pressure Monitoring System auto learn, includes Tire Fill Alert (does not apply to spare tire)
  • Air vents, rear (Not available with Regular Cab model.)
  • Floor covering, rubberized-vinyl (Not available with LPO floor liners.)
  • CornerStep, rear bumper
  • Audio system feature, 6-speaker system (Requires Crew Cab or Double Cab model.)
  • Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance (Deleted when (ZW9) pickup bed delete is ordered.)
  • 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)
  • OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
  • Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • 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.)
  • Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • Four wheel drive
  • Steering column, Tilt-Wheel, manual with wheel locking security feature
  • Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)
  • StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
  • Trailer brake controller, integrated
  • Sierra HD Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UFL) Lane Departure Warning, (T8Z) Buckle to Drive and (UHY) Automatic Emergency Braking
  • Seat adjuster, driver 4-way manual
  • Pro Preferred Equipment Group
  • Convenience Package
  • Back-up alarm calibration
  • Pickup bed, delete
  • Rear Camera Kit
  • Capped Fuel Fill
  • Emissions override, Federal
  • Power outlet, instrument panel, 120-volt
  • Upfitter switch kit, (5)
  • Mirror, inside rearview auto-dimming
  • 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
  • Skid Plates
  • Alternator, 220 amps
  • Defogger, rear-window electric
  • Snow Plow Prep/Camper Package
  • Glass, deep-tinted
  • CUSTOMER DIALOGUE NETWORK
  • View All
New 2026 GMC Sierra 3500 Double Cab Service Truck for sale #G26435 - photo 1
Photo shown is a stock image and not an image of this exact vehicle. Contact us for more information.
Reading SL Service Body
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Body Details

Manufacturer
Body Type
Service Truck
Body Model
SLU98-SW
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 Location
Exterior
Tailgate Type
Slam Action
Shelving Description
(1) Adjustable Slotted Shelf Per Compartment (1) Removeable Slotted Shelf Per Horizontal Compartment
Shelving Description
Adjustable Dividers
Shelving Quantity
20
Has Understructure
Yes
Bumper Type
Recessed Pooched
Bumper Color
White
Hitch Manufacturer
Curt
Hitch Type
Receiver
Hitch Size
2.5"
Hitch Capacity
20K

SL Service Body Features

Reading’s SL service bodies feature the premium materials and quality construction Reading is famous for at an exceptional value. The SL is available in 98" single rear wheel, 108" and 132" dual rear wheel configurations. Both are available in standard and low-profile designs. You can get even more storage space with the Reading Spacemaker® option.

Every SL service truck body moves through our exclusive E-coat primer and powder coat finish process for outstanding rust and corrosion resistance. In addition, the SL service body offers numerous standard features and options, including Dual-Pro® door seals, an Aluma-Fill fuel cup, stainless steel rotary locks, a slam-action tailgate and much more.

Made in America and backed by our 6-year warranty, the SL service body offers unbeatable value.



Body Installed by
Reading
3000 West Broadway
Louisville, KY 40211
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Pricing Details

MSRP $56,943
Dealer Discount - $1,000
Price $55,943
Total Savings $1,000
Additional Upfit Cost

Vehicle available NOW in Clarksville, IN.

Contact Coyle GMC Co. for more info.

Disclaimer:
Price is net of applicable consumer cash/rebates and all customers may not qualify for all available incentives; check with dealer to verify eligibility for current/additional rebates & incentives. All prices are plus sales tax, title, registration, $237.50 doc fee, and any applicable market adjustment. Used vehicle pricing may not include any additional service work yet to be completed on the vehicle. See dealer for complete details and final pricing. Advertised pricing may not be available with any special finance and/or lease offers. While great effort is made to ensure the accuracy of the information on this site, errors do occur so please verify information with a member of management. This is easily done by calling 812-247-6581. All pricing and payments listed on this website are estimates and non-binding. †Lucas Oil Engine For Life program is not available for electric (EV) or hybrid vehicles, commercial vehicles, fleet vehicles, and distinguished High-Line Vehicles such as Black Widow, Ricky Ridge, Corvettes, etc. Additionally, the program excludes High-End used vehicles like BMW, Lexus, Mercedes, and any used vehicles surpassing 85,000 miles.See Dealer for additional details.

The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

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