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Fountain Buick GMC · Orlando, FL

2026 GMC Sierra 1500 SLT

7 miles · truck · Price dropped $1,267

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 1500
TrimSLT
Stock numberT423136
Mileage7 miles
BodyPickup
Engine3.0L 6-cyl turbo
Displacement3.0L
TransmissionAutomatic
Drivetrain4x2
FuelDiesel
MPG23 city / 28 hwy
ExteriorOnyx Black
Towing9100

Vehicle description

Onyx Black 2026 GMC Sierra 1500 SLT SLT 3.0L I6 FOUNTAIN AUTO MALL IS IN VOLUME MODE! We aren't just breaking sales records—we are shattering them. Because of our record-breaking pace, we have been given the green light to slash prices across our entire pre-owned inventory. We operate like it is MONTH-END EVERY DAY of the week. Our vehicles are priced to move immediately, saving you both time and money. The stress-free car buying experience you have been waiting for is finally here! The Fountain Auto Mall Promise: • 100% Transparency: No games, no hidden surprises, and no stress. • Quality: We don't sell bad cars. Period. • Unbeatable Value: Great deals on high-quality, hand-picked vehicles. Why Buy From Us? Experience the easiest car-buying process in Orlando. Our vehicles are priced aggressively to market, and these prices WILL NOT LAST. Visit Us Today: Conveniently located in Orlando, FL. Schedule your test drive now before this vehicle is gone! 23/28 City/Highway MPG Find It At Fountain! Serving Central Florida since 1937, Fountain Buick GMC is proud to be rated Number 1 by our customers! Easy to find and worth the visit--stop by and meet our knowledgeable staff and you'll know you're at the right place. We look forward to making you a part of our Fountain Family! Internet Prices are for Florida and Georgia residents only* Price includes: All Available customer incentives through Select Lender customers may need to finance with Select lender to qualify$2000 - GMC Bonus Cash. Exp. 11/30/2026 $6250 - Buick & GMC Consumer Cash Program. Exp. 11/30/2026

Features & options (250)

  • Bluetooth®
  • Heated Steering Wheel
  • Remote Start
  • Android Auto
  • Apple CarPlay
  • Keyless Entry
  • Leather Seats
  • Wi-Fi Hotspot
  • Auto Dimming Mirror
  • Emergency Brake Assist
  • Lane Departure Warning
  • Lane Keep Assist
  • Wireless Phone Charging
  • Blind Spot Monitor
  • Forward Collision Warning
  • Navigation System
  • Parking Assistance
  • Rear View Camera
  • Tow Hitch/Tow Package
  • Automatic Climate Control
  • Entertainment System
  • Turbo Charged Engine
  • Cruise Control
  • Premium Sound System
  • Place and receive hands-free phone calls
  • Steering-wheel mounted controls
  • May require additional optional equipment
  • Wi-Fi Hotspot capable
  • SiriusXM Trial Subscription
  • 13.4" diagonal GMC Premium Infotainment System with Google built-in
  • Bluetooth® streaming audio for music and select phones
  • Wireless Apple CarPlay capability for compatible phones
  • Wireless Android Auto capability for compatible phones
  • Customize and manage entertainment and vehicle feature setting
  • Voice-activated technology for phone
  • SiriusXM with 360L Trial Subscription
  • Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones
  • Can use Apple CarPlay and Android Auto wirelessly
  • LED projectors with Fade-on/ Fade-off animation, LED turn signals and Daytime Running Lamps
  • Perimeter Lighting
  • Spare tire carrier lock
  • Helps keep spare tire secure
  • Utilizes the same key as the door and ignition
  • Grille (Chrome header and chrome grille insert bars with gloss black accents.)
  • Rainsense automatic wipers
  • LED fog lamps
  • Help minimize glare in adverse driving conditions
  • 17" full-size spare steel wheel with Black finish
  • Cab-mounted cargo area lamps
  • With switch in switch bank left of the steering wheel
  • Illuminates the cargo bed area
  • Cargo bed LED lighting
  • Provides light to find cargo in the bed
  • Rear pillar lamps
  • Tailgate and bed rail protection caps
  • Chrome rear bumper
  • With integrated CornerSteps
  • Full chrome surround window moldings
  • Rear wheelhouse liners
  • Chrome front bumper
  • Chrome mirror caps
  • GMC MultiPro Tailgate
  • Tailgate with EZ Lift assist, power lock & release
  • Hitch area lighting
  • Chrome door handles
  • CornerStep rear bumper
  • Located at each end of the rear bumper
  • Textured step pads to help provide secure footing
  • IntelliBeam
  • Heated, power, driver-side auto-dimming, power-folding outside mirrors
  • Puddle lamps
  • Memory setting
  • Deep-tinted glass
  • Provides added protection from sun and glare
  • Taillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animation
  • 17" 255/80R17SL all-season, blackwall spare tire
  • 6" chrome rectangular full length assist steps
  • Textured step pads help provide secure footing
  • Extends from wheel well to wheel well
  • 20" Polished aluminum wheels with technical gray painted accents
  • 20" 275/60R20 all-season, blackwall tires
  • Onyx Black
  • Up-level rear seat with storage package
  • 60/40 Full-length folding bench seat
  • Seatback storage on left and right side
  • Center fold out armrest with 2 cupholders
  • Underseat storage (full cab width)
  • USB ports
  • (2) Charge ports located on rear of console
  • (2) Data/charge ports located on instrument panel
  • Assist handles
  • Front A-pillar mounted for Driver and Passenger
  • Rear B-pillar mounted
  • Inside rearview auto-dimming mirror
  • 13.4" diagonal multicolor reconfigurable Infotainment screen
  • Wrapped steering wheel
  • Keyless Open and Start
  • Compass
  • Located in instrument cluster
  • Outside temperature display
  • Located in infotainment display
  • Driver memory
  • Power windows
  • Driver with express-up/down
  • Carpeted floor covering
  • Color-keyed to match the interior
  • 120-volt power outlet
  • 3-prong auxiliary household-style outlet
  • Located on the instrument panel
  • Steering column lock, electrical
  • Dual-zone automatic climate control
  • Allows individual climate settings for both driver and front passenger
  • 12.3" diagonal color Driver Information Center
  • Rear carpeted floor mats
  • Helps protect your interior from road debris and the elements
  • Denali model has unique premium carpet
  • Denali Ultimate model has premium floor mats
  • 10-way power driver seat with power lumbar
  • Moves the seat forward and back, and up and down
  • Tilt the seat cushion and seatbacks
  • Rear window defogger
  • Heated driver and front outboard passenger seats
  • Individually controlled
  • 120-volt box-mounted power outlet
  • Located in the pickup bed
  • Power door locks
  • Programmable
  • 10-way power front passenger seat
  • Forward and back
  • Up and down
  • Tilt seat cushion back and upright
  • Recline seatback up and down
  • Includes 2-way power lumbar
  • Rear air vents
  • Provides cabin comfort for rear occupants
  • Maintains a selected speed while driving
  • Set and resume speed functions
  • Front passenger with express-up/down
  • Front carpeted floor mats
  • Denali Ultimate model has premium floor mats with corner applique
  • Seat trim, Perforated leather-appointed front outboard
  • Power windows with rear express-down
  • Theft-deterrent unauthorized entry system
  • Helps deter unauthorized entry, helping to protect your vehicle
  • Front center console
  • Front bucket seats
  • Includes center console
  • Power tilt and telescoping steering column
  • Use the driver memory to save and recall memory settings
  • Provides extra comfort when entering or exiting the vehicle
  • Jet Black, Perforated leather-appointed front outboard seat trim
  • Ventilated driver and front passenger seats
  • Cooling feature includes both seatbacks and cushions
  • In-Vehicle Trailering App
  • Checklist
  • Trailer light sequencing
  • Trailer maintenance reminders
  • Trailer security alerts
  • Trailer mileage
  • Tow/haul reminder
  • Trailer electrical diagnostics
  • Wireless Charging
  • Uses induction technology for portable electronic devices
  • Convenient charging location at the front of the center console
  • Device may require optional case for phones that are compatible
  • Brake pad wear indicator
  • Electric Power Steering
  • Electric, rack-mounted with variable assist
  • Steering assist is greater during low-speed maneuvers, such as parking
  • Black vertical recovery hooks
  • Two front frame-mounted
  • 3.23 rear axle ratio
  • Integrated trailer brake controller
  • Integrated with the antilock brake system (ABS)
  • 4-wheel antilock disc brakes
  • Single-outlet exhaust
  • Rear wheel drive
  • Fully boxed frame
  • Hydroformed front section
  • High-strength steel
  • Heavy-duty 730 cold-cranking amps battery
  • 80 Amp-hr
  • Maintenance-free with rundown protection and retained accessory power
  • Aluminized stainless-steel muffler and tailpipe
  • Cargo tie-downs (12)
  • Capless fuel fill
  • Heavy-duty 850 cold-cranking amps battery
  • 95 Amp-hr
  • High-Capacity Suspension Package
  • Emissions, Federal requirements
  • 7,000 lbs. GVWR
  • 220-amp alternator
  • SLT Preferred Equipment Group includes standard equipment
  • SLT Convenience Package
  • Bucket seats
  • Center console
  • Heated and ventilated front seats
  • USB ports in center console
  • Bose Premium Sound System with Richbass woofer
  • Power Rake/ Telescoping steering column
  • Sierra Safety Plus Package
  • Rear Cross Traffic Braking
  • Rear Pedestrian Alert
  • Trailer Camera Provisions
  • Trailer Side Blind Zone Alert
  • HD Surround Vision
  • Perimeter lighting on SLE and Elevation
  • Recovery hooks on 2WD SLE models
  • High gloss Black mirror caps on Elevation
  • Front and Rear Park Assist
  • Safety Alert Seat on SLT
  • SLT Premium Package
  • 20" Polished aluminum wheels
  • 6" Chrome assist steps
  • ProGrade Trailering System
  • Hitch Guidance with Hitch View
  • Option/package discount
  • LED Daytime Running Lamps
  • Daytime Running Lamps automatically illuminate signature lighting
  • Rear Seat Belt Indicator
  • Tire Pressure Monitoring System with Tire Fill Alert
  • Hitch Guidance
  • Can help you line up the hitch to your trailer
  • OnStar Basics
  • Drive confidently with core OnStar services including
  • Remote commands
  • Built-in voice assistance
  • Real-time traffic and navigation
  • Automatic Crash Response to help if you're in need
  • Lane Keep Assist with Lane Departure Warning
  • You may receive additional Lane Departure Warning alerts if needed
  • Following Distance Indicator
  • Designed to help you maintain a safe following distance
  • Buckle to Drive
  • Rear Seat Reminder
  • Seat Belt Adjustable Guide Loops
  • Front row only
  • Forward Collision Alert
  • 6 airbags
  • Dual-stage frontal airbags for driver and front outboard passenger
  • Head-curtain airbags for outboard seating positions
  • Automatic Emergency Braking
  • Works at speeds between 5 and 50 mph
  • OnStar services capable
  • Inside/Rear Trailer Camera Input
  • Includes trailer viewing software
  • Safety Alert Seat
  • You can also switch to beeping crash avoidance alerts
  • Can help you park or avoid vehicles and objects
  • Includes 2 Trailer Camera Provisions

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.

AutosXchange Intel

Vehicle price analysis

Live listings · within 50 miles of Orlando, Florida
Asking price$55,739Dealer asking price · 7 mi
Market value$56,739Market value · based on 6 comparable cars
vs. market Fair price-1.8%Fair price · based on 6 comparable cars

Where this price sits

Among the lowest-priced · 83% of 6 similar listings ask more than this car.

$50,980lowest$61,784highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-1.8%
−25%Market value+25%
Fair price$1,000 below the market value of $56,739

Price range

$55,739
$50,980$61,784
2nd lowest price of 7 similar listings within 50 milesTick marks the market value · range of 6 similar listings

AutosXchange Insights

  • Compared with 6 new 2026 GMC Sierra 1500 SLT listings within 50 mi.
  • Priced $1,000 below the market value of 6 comparable cars.
  • 2nd lowest price of 7 similar listings within 50 miles.
  • About 7 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # T423136 — mention it when you call or text.

How we calculate market value: comparable cars for sale now plus their last listed prices.

Price history

Price tracked by AutosXchange since Nov 6, 2026. 1 price change at this dealership: $57,006 → $55,739 (−$1,267).

$55.5k$56.0k$56.5k$57.0k$57.5kNov 6Nov 7Nov 9Nov 10Nov 11Nov 13−$1,267 Nov 8

Market activity: Fountain Buick GMC cut prices on 8 2026 GMC Sierra 1500 by an average of $1,393

AutosXchange Intel Hub: Price changes for this model in Florida · This model in the Intel Hub · Market movers in Florida

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 13); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.

Cars this price is compared to

Same 2026 Sierra 1500 SLT · new · within 50 miles of Orlando, Florida. All 6 comparable cars for sale, nearest first.

More GMC Sierra 1500 near Orlando

All years and trims. Nearest first.