Delray Buick GMC · Delray Beach, FL

2026 GMC Sierra 2500 HD SLT

3 miles · truck

1 / 30 photos

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026

MakeGMC

ModelSierra 2500 HD

TrimSLT

VIN1GT4UNEY4TF375599

Stock number375599G

Mileage3 miles

BodyPickup

Engine6.6L V8 turbo

Cylinders8

Displacement6.6L

Horsepower470

TransmissionAutomatic

Drivetrain4WD

FuelDiesel

ExteriorSummit White

InteriorJet Black, Perforated Leather-appointed front outb

Doors4

Towing20000

Vehicle description

Price Includes:$2000 - GMC Bonus Cash. Exp. 11/30/2026 $3500 - Buick & GMC Consumer Cash Program. Exp. 11/30/2026 SLT, 10-Speed Automatic, 4WD, Summit White, Jet Black w/Perforated Leather-Appointed Front Outboard Seat Trim, 2 Charge/Data USB Ports Inside Center Console, 6" Rectangular Chromed Tubular Assist Steps, Adaptive Cruise Control, Bed View Camera with Two Trailer Camera Provisions, Bose Premium 7-Speaker Sound System, Floor-Mounted Center Console, Front Bucket Seats, Gooseneck/5th Wheel Prep Package, HD Surround Vision, Heated 2nd Row Outboard Seats, Heavy Duty Front Spring/Camper Package, LED Smoked Amber Roof Marker Lamps, Max Trailering Package, Perforated Leather-Appointed Front Outboard Seat Trim, Power Sliding Rear Window with Defogger, Radio: AM/FM Stereo with Premium GMC Infotainment System, Rear Cross Traffic Alert, Safety Alert Seat, Sierra HD Pro Safety Plus Package, SLT Convenience Package, SLT Preferred Package, SLT Premium Package, Spray-on Pickup Bedliner with GMC Logo, Trailer Cam Provisions and Trailer Viewing Software, Trailer Side Blind Zone Alert, Ultrasonic Front and Rear Park Assist, Universal Home Remote, Ventilated Driver and Front Passenger Seats, Wheels: 20" Bright Face with Dark Painted Pockets, Wireless Charging. 2026 GMC Sierra 2500HD SLT 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Summit White Dealer Discount of $1,740 off MSRP - Dealer discount available to everyone.

Features & options (166)

Basic
Corrosion
Maintenance
Roadside Assistance
Max seating capacity
Fuel System
Fuel tank capacity
Horsepower
Towing capacity
13.4" diagonal GMC Premium Infotainment System with Google built-in
Bluetooth
Bose Premium Sound System
SiriusXM with 360L Trial Subscription
Wi-Fi Hotspot capable
Wireless phone projection
18" LT275/70R18 all-terrain, blackwall spare tire
20" Bright face wheels with dark painted pockets
20" LT275/65R20 all-terrain, blackwall tires
6" Chrome rectangular assist steps (factory installed)
Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
Cab-mounted cargo area lamps
Cargo bed LED lighting
Cargo tie-downs
Chrome beltline moldings
Chrome door handles
Chrome front bumper
Chrome mirror caps
Chrome rear bumper
CornerStep rear bumper
Deep-tinted glass
GMC MultiPro Tailgate
IntelliBeam
LED fog lamps
Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass
Rainsense automatic wipers
Rear wheelhouse liners
Side Bed Step
Smoked Amber LED roof marker lamps
Spare tire carrier lock
Spray-on bedliner
Tailgate and bed rail protection caps
Tailgate with EZ Lift assist, power lock & release
Winter Grille Cover
10-way power driver seat with power lumbar
10-way power front passenger seat
12.3" diagonal color Driver Information Center
120-volt box-mounted power outlet
120-volt power outlet
Adaptive Cruise Control
Assist handles
Carpeted floor covering
Compass
Driver memory
Dual-zone automatic climate control
Front bucket seats
Front carpeted floor mats
Front center console
Heated driver and front outboard passenger seats
Heated rear outboard seats
Heated steering wheel
Inside rearview auto-dimming mirror
Keyless Open and Start
Manual tilt and telescoping steering column
Outside temperature display
Power door locks
Power sliding rear window with rear defogger
Power windows with driver and front passenger express-up/down
Power windows with driver express-up/down
Power windows with rear express-down
Rear Seat Reminder
Rear air vents
Rear carpeted floor mats
Rear window defogger
Remote Start
Steering-wheel mounted controls
Theft-deterrent unauthorized entry system
USB ports
Universal Home Remote
Up-level rear seat with storage package
Upfitter switches
Ventilated driver and front passenger seats
Wireless Charging
Wrapped steering wheel
10-speed automatic transmission
11,750 lbs. GVWR
3.42 rear axle ratio
4-wheel antilock disc brakes
6.6L Duramax Turbo-Diesel V8 engine
Air filtration monitoring
Automatic locking rear differential
Brake pad wear indicator
Capped fuel fill
Diesel exhaust brake
Digital Variable Steering Assist
Dual, 220 amp primary and 170 auxiliary amp alternators
Engine block heater
External auxiliary transmission oil cooler
External engine oil cooler
Fully boxed frame
Gooseneck / 5th Wheel Prep Package
Heavy-Duty Air Filter
Heavy-duty dual batteries with 1460 cold-cranking amps
High idle switch
In-Vehicle Trailering App
Integrated trailer brake controller
Suspension Package
LED Daytime Running Lamps
Signature LED Daytime Running Lamps
6 airbags
Bed View Camera
Buckle to Drive
Following Distance Indicator
Forward Collision Alert
Front and Rear Park Assist
HD Surround Vision
Hitch Guidance
Hitch View
Lane Departure Warning
OnStar Basics
OnStar services capable
Rear Cross Traffic Alert
Rear Seat Belt Indicator
Safety Alert Seat
Seat Belt Adjustable Guide Loops
Teen Driver
Tire Pressure Monitoring System with Tire Fill Alert
Trailer Side Blind Zone Alert
Trailering Information Label
Trailering camera provisions
Automatic Emergency Braking
Front Pedestrian Braking
StabiliTrak, electronic stability control system with traction control
Heavy Duty Front Spring / Camper Package
Max Trailering Package:
3500 HD Frame
3500 HD Leaf Springs
12" Rear axle
3500 HD Shock Package
Gooseneck / 5th Wheel Prep provisions
Bed stamped holes with caps installed
SLT Convenience Package:
Bucket seats
Center console
Ventilated front seats
USB ports in center console
LED roof marker lamps
Bose Premium Sound System with Richbass woofer
SLT Preferred Package:
Power rear sliding window
SLT Premium Package:
Sierra HD Pro Safety Plus Package
6" Chrome assist steps
Spray-on bedliner with GMC Logo
Bed View Camera (Crew Cab and Double Cab models)
HD Surround Vision (Crew Cab and Double Cab models)
Trailer Camera Provisions (Crew Cab and Double Cab models)
Rear Park Assist on SLE models
In Vehicle Trailering App on SLE models
Safety Alert Seat on SLT
May require additional optional equipment
Max Trailering Package
SLT Convenience Package
SLT Preferred Package
SLT Premium Package
Front and rear park assist

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 Delray Beach, Florida

Asking price$80,993Dealer asking price · 3 mi

Market value$79,319Market value · based on 11 comparable cars

vs. market Fair price+2.1%Fair price · based on 11 comparable cars

Where this price sits

Among the highest-priced · 0% of 11 similar listings ask more than this car.

Market value $79,319

This car$80,993

$76,218lowest$80,993highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

Fair price$1,674 above the market value of $79,319

Price range

$76,218$80,993

12th lowest price of 12 similar listings within 50 milesTick marks the market value · range of 11 similar listings

AutosXchange Insights

Compared with 11 new 2026 GMC Sierra 2500 SLT listings within 50 mi.
Priced $1,674 above the market value of 11 comparable cars — compare options, condition and history.
12th lowest price of 12 similar listings within 50 miles.
About 3 miles per year of age (U.S. average is roughly 12,000–14,000).
Stock # 375599G — 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 7, 2026. No price change at this dealership since Nov 7 ($80,993).

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 12); 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 2500 SLT · new · within 50 miles of Delray Beach, Florida. All 11 comparable cars for sale, nearest first.

2026 GMC Sierra 2500 HD SLT for sale at Delray Buick GMC in Delray Beach, FL

Fair price

31 photos