O'Meara GMC · Thornton, CO

2026 GMC Sierra 2500 HD Pro

6 miles · truck · Price dropped $2,000

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PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026

MakeGMC

ModelSierra 2500 HD

TrimPro

VIN1GT3ULEY4TF298927

Stock numberTF298927

Mileage6 miles

BodyPickup

Engine6.6L V8 turbo

Cylinders8

Displacement6.6L

TransmissionAutomatic

Drivetrain4WD

FuelDiesel

ExteriorOnyx Black

InteriorJet Black, Vinyl seat trim

Doors2

Vehicle description

Navigation, WiFi Hotspot, Keyless Start, Onboard Communications System, Running Boards, Back-Up Camera, Trailer Hitch, ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE. Onyx Black exterior and Jet Black interior, Pro trim. KEY FEATURES INCLUDE Navigation, 4x4, Back-Up Camera, Running Boards, Onboard Communications System, Trailer Hitch, Keyless Start, WiFi Hotspot Keyless Entry, Electronic Stability Control, Vinyl Seats, 4-Wheel ABS. GMC Pro with Onyx Black exterior and Jet Black interior features a 8 Cylinder Engine with 470 HP at 2800 RPM*. OPTION PACKAGES ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.), WHEELS, 18" (45.7 CM) 8-SPOKE PAINTED STEEL, SILVER EXTENDED, AUDIO SYSTEM, GMC INFOTAINMENT SYSTEM WITH 7" DIAGONAL COLOR TOUCH-SCREEN AM/FM stereo with seek-and-scan and digital clock, includes BluetoothÂ® streaming audio for music and select phones; featuring wireless Apple CarPlayÂ® and Android AutoÂ® capable (STD), TRANSMISSION, 10-SPEED AUTOMATIC.

Features & options (97)

Basic
Corrosion
Maintenance
Roadside Assistance
Max seating capacity
Fuel System
Fuel tank capacity
Horsepower
Towing capacity
2-speaker audio system
Bluetooth
GMC Infotainment System with color touchscreen
Wi-Fi Hotspot capable
Wireless phone projection
18" LT275/70R18 all-terrain, blackwall spare tire
18" LT275/70R18E all-terrain, blackwall tires
18" steel painted Silver wheels
Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
Black beltline moldings
Black door handles
Black outside power-adjustable vertical trailering mirrors
Cab-mounted cargo area lamps
Cargo tie-downs
Chrome front bumper
Chrome rear bumper
CornerStep rear bumper
Front license plate bracket
IntelliBeam
LED tail lamps
Locking tailgate
Manual Tailgate
Side Bed Step
Solar-absorbing glass
Spare tire carrier lock
Spray-on bedliner
Standard tailgate
Tailgate and bed rail protection caps
Winter Grille Cover
12-volt auxiliary front power outlet
3.5" diagonal monochromatic Driver Information Center
4-way manual driver seat
4-way manual front passenger seat
40/20/40 split-bench front seat with under-seat storage
Assist handles
Compass
Cruise control
Inside rearview manual day/night mirror
Manual tilt steering column
Outside temperature display
Power door locks
Power windows with driver express-up/down
Power windows with front passenger express-down
Remote Keyless Entry
Rubberized vinyl floor covering
Single-zone manual climate control
Steering wheel
USB ports
10-speed automatic transmission
11,450 lbs. GVWR
220-amp alternator
3.42 rear axle ratio
4-wheel antilock disc brakes
6.6L Duramax Turbo-Diesel V8 engine
Air filtration monitoring
Black vertical recovery hooks
Brake pad wear indicator
Capped fuel fill
Diesel exhaust brake
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
Integrated trailer brake controller
Pickup bed
Steering
Suspension Package
LED Daytime Running Lamps
Signature LED Daytime Running Lamps
6 airbags
Buckle to Drive
Following Distance Indicator
Forward Collision Alert
HD Rear Vision Camera
Hitch Guidance
Lane Departure Warning
OnStar Basics
OnStar services capable
Teen Driver
Tire Pressure Monitoring System with Tire Fill Alert
Trailering Information Label
Automatic Emergency Braking
Front Pedestrian Braking
StabiliTrak, electronic stability control system with traction control
Max 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 50 miles of Thornton, Colorado

Asking price$60,062Dealer asking price · 6 mi

Market value$60,062Market value · based on 7 comparable cars

vs. market Fair price0.0%Fair price · based on 7 comparable cars

Where this price sits

In the typical middle range · 43% of 7 similar listings ask more than this car.

Market value $60,062

This car$60,062

$51,340lowest$65,584highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

Fair price$0 above the market value of $60,062

Price range

$51,340$65,584

4th lowest price of 8 similar listings within 50 milesTick marks the market value · range of 7 similar listings

AutosXchange Insights

Compared with 7 new 2026 GMC Sierra 2500 Pro listings within 50 mi.
4th lowest price of 8 similar listings within 50 miles.
About 6 miles per year of age (U.S. average is roughly 12,000–14,000).
Stock # TF298927 — 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 9, 2026. 1 price change at this dealership: $62,062 → $60,062 (−$2,000).

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

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 Pro · new · within 50 miles of Thornton, Colorado. All 7 comparable cars for sale, nearest first.

2026 GMC Sierra 2500 HD Pro for sale at O'Meara GMC in Thornton, CO

Fair pricePrice drop −$2,000

6 photos