Bocker GMC Inc · Freeport, IL

2026 GMC Sierra 1500 Denali Ultimate

0 miles · truck · Listed today on AutosXchange

Stock photo — actual vehicle may differ

1 / 7 photos

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026

MakeGMC

ModelSierra 1500

TrimDenali Ultimate

VIN1GTUUHE84TZ399675

Stock number36261

BodyPickup

Engine3.0L 6-cyl turbo

Displacement3.0L

TransmissionAutomatic

Drivetrain4WD

FuelDiesel

MPG22 city / 26 hwy

ExteriorOnyx Black

InteriorAlpine Umber, Full grain leather front seat trim

Doors4

Vehicle description

Check out this 2026! You'll appreciate its safety and convenience features! A turbocharger further enhances performance, while also preserving fuel economy. All of the following features are included: power front seats, lane departure warning, and seat memory. Smooth gearshifts are achieved thanks to the refined 6 cylinder engine, and for added security, dynamic Stability Control supplements the drivetrain. Four wheel drive allows you to go places you've only imagined. Our aim is to provide our customers with the best prices and service at all times. Please don't hesitate to give us a call.

Features & options (146)

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 Series with 12-speaker system with CenterPoint
SiriusXM with 360L Trial Subscription
Steering-wheel mounted controls
Wi-Fi Hotspot capable
Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones
17" 255/80R17SL all-season, blackwall spare tire
17" full-size spare steel wheel with Black finish
22" 275/50R22SL all-season, blackwall tires
22" 7-spoke ultra-bright machined wheels with bright chrome accents and dark paint
Body-color front bumper
Body-color rear bumper
Cab-mounted cargo area lamps
Cargo bed LED lighting
Chrome door handles
Chrome mirror caps
CornerStep rear bumper
Deep-tinted glass
Front license plate bracket
Full chrome surround window moldings
GMC MultiPro Power Steps
GMC MultiPro Tailgate
Heated, power, driver-side auto-dimming, power-folding outside mirrors
IntelliBeam
LED fog lamps
LED reflector (high intensity) headlamps with Fade-on/ Fade-off animation, LED turn signals and Daytime Running Lamps
MultiPro Audio System by Kicker
Perimeter Lighting
Power sliding rear window with rear defogger
Power sunroof
Rainsense automatic wipers
Rear wheelhouse liners
Spare tire carrier lock
Spray-on bedliner
Tailgate and bed rail protection caps
Tailgate with EZ Lift assist, power lock & release
Wheel locks
12.3" diagonal color Driver Information Center
120-volt box-mounted power outlet
120-volt power outlet
13.4" diagonal multicolor reconfigurable Infotainment screen
16-way power driver seat with power lumbar and massage
16-way power passenger seat with power lumbar and massage
3 Years SiriusXM
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
Head-Up Display
Heated driver and front outboard passenger seats
Heated rear outboard seats
Heated steering wheel
In-Vehicle Trailering App
Keyless Open and Start
Outside temperature display
Power door locks
Power tilt and telescoping steering column
Power windows
Power windows with rear express-down
Premium front floor liners with removable carpet insert
Premium rear floor liners with removable carpet insert
Rear Camera Mirror
Rear air vents
Rear carpeted floor mats
Rear under-seat storage
Rear window defogger
Remote Start
Super Cruise, advanced driver assistance technology
Theft-deterrent unauthorized entry system
USB ports
Universal Home Remote
Up-level rear seat with storage package
Ventilated driver and front passenger seats
Wireless Charging
10-speed automatic transmission with Electronic Precision shift and front bucket seats
2-speed Autotrac Transfer Case
220-amp alternator
3.0L Duramax Turbo Diesel engine
3.23 rear axle ratio
4-wheel antilock disc brakes
7,200 lbs. GVWR
Aluminized stainless-steel muffler and tailpipe
Automatic Stop/Start
Automatic locking rear differential
Brake pad wear indicator
Capless fuel fill
Cargo tie-downs (12)
Chrome vertical recovery hooks
Denali Premium Suspension with Adaptive Ride Control
Dual-outlet exhaust
Electric Power Steering
Electronic Transmission Range Selector
Engine block heater
External auxiliary transmission oil cooler
External engine oil cooler
Fully boxed frame
Heavy-Duty Air Filter
Heavy-duty 730 cold-cranking amps battery
Heavy-duty 850 cold-cranking amps battery
Hill Descent Control
Integrated trailer brake controller
Pickup bed
Push Button Start
Trailer Tire Pressure and Temperature Sensors
LED Daytime Running Lamps
3 Years OnStar One
6 airbags
Bed View Camera
Buckle to Drive
Enhanced Automatic Emergency Braking
Following Distance Indicator
Forward Collision Alert
Front and Rear Park Assist
HD Surround Vision
Hitch Guidance
Hitch View
Inside/Rear Trailer Camera Input
OnStar Basics
OnStar services capable
Rear Cross Traffic Braking
Rear Pedestrian Alert
Rear Seat Belt Indicator
Rear Seat Reminder
Safety Alert Seat
Seat Belt Adjustable Guide Loops
Tire Pressure Monitoring System with Tire Fill Alert
Trailer Side Blind Zone Alert
Front Pedestrian Braking
StabiliTrak, electronic stability control system with traction control
GMC Pro Safety
Trailering Package

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 250 miles of Freeport, Illinois

Asking price$75,160Dealer asking price

Market value$77,600Market value · based on 8 comparable cars

vs. market-3.1%Not rated · stock photos only

Where this price sits

Among the lowest-priced · 75% of 8 similar listings ask more than this car.

Market value $77,600

This car$75,160

$70,127lowest$87,035highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

Not rated · stock photos only$2,440 below the market value of $77,600

Price range

$70,127$87,035

3rd lowest price of 9 similar listings within 250 milesTick marks the market value · range of 8 similar listings

AutosXchange Insights

Compared with 8 new 2026 GMC Sierra 1500 Denali Ultimate listings within 250 mi.
Priced $2,440 below the market value of 8 comparable cars.
3rd lowest price of 9 similar listings within 250 miles.
Stock # 36261 — 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. No price change at this dealership since Nov 13 ($75,160).

Previously listed for sale in Iowa, first seen there 7 days before this listing. Consider a vehicle history report before you buy.

Market activity: Bocker GMC Inc raised prices on 9 2026 GMC Sierra 1500 by an average of $1,619

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

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 14); 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 Denali Ultimate · new · within 250 miles of Freeport, Illinois. All 8 comparable cars for sale, nearest first.

2026 GMC Sierra 1500 Denali Ultimate for sale at Marquardt of Barrington GMC in Barrington, IL

Good deal

35 photos