This 2026 GMC Sierra 1500 SLT in striking Onyx Black represents modern truck capability built on proven engineering.- Android Auto and Apple CarPlay- … Read More…
This 2026 GMC Sierra 1500 SLT in striking Onyx Black represents modern truck capability built on proven engineering.- Android Auto and Apple CarPlay- GMC MultiPro Tailgate- HD Rear Vision Camera- IntelliBeam Automatic High Beam- Trailering Package- Premium Bose 7-Speaker Sound System- SiriusXM with 360L Trial Subscription- Remote Vehicle Starter System- 120-Volt Bed Mounted Power Outlet- Off-Road Suspension- Chrome Wheel to Wheel Assist Steps- Heated Steering Wheel- Wireless Charging- 10-Way Power Driver and Passenger Seats with Lumbar- Ventilated Front SeatsThe heart of this Sierra is a 3.0L EcoTec3 diesel turbocharged I6 engine paired with a 10-speed automatic transmission and 4WD. This configuration delivers 305 horsepower and 495 lb-ft of torque while achieving 22 city and 26 highway MPG. The diesel engine includes a 220-amp alternator and engine block heater, designed for consistent performance in demanding conditions.Built with the SLT trim, this truck combines work-ready capability with genuine comfort. The Texas Edition SLT Premium Package and X31 Off-Road Package position this Sierra for both everyday driving and serious terrain. The High Capacity Suspension Package provides the foundation for hauling and towing, while the X31 package adds electronic locking rear differential and hill descent control for off-road confidence.Interior appointments reflect attention to detail. Front bucket seats with 10-way power adjustment and lumbar support offer personalized comfort for driver and passenger. Heated and ventilated seats ensure comfort across seasons. The wireless charging pad and 120-volt interior outlets provide modern convenience alongside traditional truck functionality. The floor-mounted center console with dual USB ports keeps devices charged and accessible.Technology integration brings the modern world into the cab. The wireless Apple CarPlay and Android Auto connectivity keeps you linked to navigation and communication. The premium GMC infotainment system pairs with SiriusXM satellite radio. Safety features include automatic emergency braking, lane keep assist with lane departure warning, and forward pedestrian braking. The hitch guidance system and integrated trailer brake controller support confident towing.Practical details complete the package. The GMC MultiPro tailgate provides flexibility for loading and securing cargo. Chrome wheel-to-wheel assist steps ease entry and exit. The dual exhaust system and electronic precision shift add refined capability. Heated door mirrors, LED cargo lighting, and the HD rear vision camera address real-world truck needs.When you're ready to explore what this 2026 Sierra 1500 SLT offers your daily drive and weekend adventures, we invite you to visit our showroom. Read Less
Chassis Details
Stock Number
GT6490
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 1500
Class
2
GVWR
7,200
Drivetrain
4WD
Cab Type
Crew
Vehicle Trim
SLT
Interior Color
Jet Black, Perforated leather-appointed front outboard seat trim
Seating Capacity
6
Exterior Color Description
Onyx Black
Engine Cylinder Count
6
Engine
3.0L Duramax<sup>®</sup> Turbo Diesel engine
Transmission Type
Automatic
Fuel Type
Diesel
Engine Model
LZ0
Engine Size (L)
3.0
Horsepower
305
Brake Type
Hydraulic
Vehicle Options
Bumper, front chrome lower
Glass, deep-tinted
Wireless, Apple CarPlay / Wireless Android Auto
Steering wheel, heated
Grille (Chrome header and chrome grille insert bars with gloss black accents.)
Cooling, external engine oil cooler (Not available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
Automatic Stop/Start
Wipers, front rain-sensing
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.)
Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) interior power outlet)
Steering column lock, electrical
Automatic Emergency Braking (Included and only available with (PDI) GMC Pro Safety.)
USB Ports, 2, Charge/Data ports located on instrument panel
Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
Cargo tie downs (12), fixed
Following Distance Indicator (Included and only available with (PDI) GMC Pro Safety.)
Headlamps, LED projectors with Fade-on/Fade-off animation, LED turn signals and Daytime Running Lamps
Pickup bed
Remote vehicle starter system
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
Seat Belt Adjustable Guide Loops, front row only
Floor mats, carpeted rear (Deleted when (RIA) All-weather floor liner, LPO is ordered or (BKF) Premium Floor Liners are ordered.)
LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
Cooling, auxiliary external transmission oil cooler (Not available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
Front Pedestrian Braking (Included and only available with (PDI) GMC Pro Safety.)
Lighting, perimeter
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
Steering wheel audio controls
USB ports, (2) charge-only, rear
Driver memory recalls driver "presets" for power driver seat and outside mirrors
Bumper, rear chrome with bumper CornerSteps
Rear axle, 3.23 ratio (Not available with (NHT) Max Trailering Package.)
Window, power front, passenger express up/down
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
IntelliBeam, automatic high beam on/off (Included and only available with (PDI) GMC Pro Safety.)
Mirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming puddle lamps, side perimeter lighting and memory
Taillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animation
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
Power outlet, interior power outlet, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
Theft-deterrent system, unauthorized entry
Lane Keep Assist with Lane Departure Warning (Included and only available with (PDI) GMC Pro Safety.)
Audio System, 13.4" diagonal Premium GMC Infotainment System with Google built in apps such as navigation and voice assistance, includes color touch-screen, multi-touch display, AM/FM stereo Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones (STD)
Cruise control, steering wheel-mounted
Rear Seat Reminder
SiriusXM with 360L Trial Subscription. SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. (IMPORTANT: The SiriusXM trial subscription is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. Trial subscription is subject to the SiriusXM Customer Agreement and privacy policy, visit siriusxm.com which includes full terms and how to cancel. All fees, content, features, and availability are subject to change. Some features require GM connected vehicle services.)
Daytime Running Lamps, LED signature lighting
Battery, heavy-duty 730 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (L84) 5.3L EcoTec3 V8 engine and (L87) 6.2L EcoTec3 V8 engine.)
Brake lining wear indicator
Keyless Open and Start includes remote keyless entry
Door locks, power
Seat adjuster, driver 10-way power including lumbar
Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
Forward Collision Alert (Included and only available with (PDI) GMC Pro Safety.)
Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
Push Button Start
Auto-locking rear differential
Steering, Electric Power Steering (EPS) assist, rack-and-pinion
Windows, power front, drivers express up/down
Air conditioning, dual-zone automatic climate control
Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models, includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)
Compass, located in instrument cluster
Seat adjuster, passenger 10-way power including lumbar
Mirror caps, chrome
Tailgate, GMC MultiPro Tailgate with six functional load/access features
Mirror, inside rearview auto-dimming
Moldings, window surround, Chrome
Wheelhouse liners, rear
Exhaust, aluminized stainless-steel muffler and tailpipe
Capless Fuel Fill
Frame, fully-boxed, hydroformed front section
HD Rear Vision Camera (Removed with (UV2) HD Surround Vision.)
OnStar services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Bluetooth for phone, connectivity to vehicle infotainment system
Recovery hooks, front, frame-mounted, Black
Floor mats, carpeted front (Deleted when (RIA) All-weather floor liner, LPO is ordered or (BKF) Premium Floor Liners are ordered.)
Windows, power rear, express down
Steering wheel, wrapped
Tailgate and bed rail protection caps, top
Defogger, rear-window electric
CornerStep, rear bumper
Exterior Temperature Display, located in radio display
GMC Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UHX) Lane Keep Assist with Lane Departure Warning, and (UHY) Automatic Emergency Braking (Includes (T8Z) Buckle to Drive.)
Rear Seat Belt Indicator
Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
Fog lamps, LED
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.)
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) GMC Pro Safety.)
Four wheel drive
Hitch Guidance
Door handles, chrome
Seating, heated driver and front outboard passenger
Trailer brake controller, integrated
Seat trim, Perforated leather-appointed front outboard
Floor covering, color-keyed carpeting
GMC Premium information Display- 13.4" diagonal Multicolor touch screen