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John Thornton Buick GMC · Carrollton, GA

2026 GMC Sierra 3500 HD Chassis Cab Pro

5 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 3500 HD Chassis Cab
TrimPro
Stock numberTG1378
Mileage5 miles
BodyIncomplete
Engine6.6L 8-cyl
Cylinders8
Displacement6.6L
Horsepower401
TransmissionAutomatic
Drivetrain4WD
FuelGasoline
ExteriorSummit White
InteriorJet Black, Vinyl seat trim
Doors4

Vehicle description

2026 GMC Sierra 3500HD Pro Summit White 2026 GMC Sierra 3500HD Pro 4WD 10-Speed Automatic 6.6L V8 We are your premier Carrollton, GA Cadillac dealership. John Thornton Cadillac Inc. Is family owned, and it is our goal to provide you with an excellent purchase and ownership experience. We also proudly serve Douglasville Cadillac customers. Whether you're searching for a new or used car near Douglasville or Bremen, researching financing options, or looking for a quick quote on a car, truck, or SUV, the friendly, yet professional staff at our Carrollton Cadillac dealership is ready to provide you with all the help you need. We are proud to serve Bremen Cadillac customers. We have served as your premier Cadillac dealer for the entire West Georgia area for over 45 years. Convenience Package (Deep-Tinted Glass and Electric Rear-Window Defogger), Preferred Equipment Group 1SA (2-Speed Electronic Shift Transfer Case, Chrome Grille with Flat Black Grille Insert Bars, and Solar Absorbing Tinted Glass), Snow Plow Prep Package (220 Amp Alternator), Suspension Package, 10-Speed Automatic, 4WD, Jet Black Vinyl, 17 Painted Steel Wheels, 170 Amp Alternator, 2 Charge-Only Rear USB Ports, 3.73 Rear Axle Ratio, 4-Way Manual Driver Seat Adjuster, 4-Way Manual Passenger Seat Adjuster, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Conditioning, AM/FM radio, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-Dimming Inside Rear-View Mirror, Brake assist, Buckle to Drive, Bumpers: chrome, Compass, Delay-off headlights, Driver door bin, Dual front impact airbags, Dual front side impact airbags, Dual rear wheels, Electronic Stability Control, Emergency communication system: OnStar Services capable, Engine Block Heater, Following Distance Indicator, Forward Collision Alert, Front 40/20/40 Split-Bench Seat, Front anti-roll bar, Front Center Armrest w/Storage, Front License Plate Kit, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Heavy-Duty 80 Amp-Hour Battery, High-Visibility Molded in Black Outside Mirrors, Illuminated entry, IntelliBeam Automatic High Beam on/Off, Lane Departure Warning System, Low Speed Forward Automatic Braking, Low tire pressure warning, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Perimeter Lighting, Power steering, Power windows, Power-Adjustable Black Outside Mirrors, Premium audio system: GMC Infotainment System, Radio: AM/FM with GMC Infotainment System, Rear reading lights, Remote keyless entry, SiriusXM Trial Subscription, Speed control, Split folding rear seat, Tachometer, Tilt steering wheel, Traction control, Trip computer, Upfitter Switch Kit (5), Variably intermittent wipers, Vinyl Seat Trim, Voltmeter, and Wireless Phone Projection. 10-Speed Automatic, 4WD, Jet Black Vinyl.

Features & options (99)

  • Basic
  • Corrosion
  • Maintenance
  • Roadside Assistance
  • Max seating capacity
  • Fuel System
  • Fuel tank capacity
  • Horsepower
  • 6-speaker audio system
  • Bluetooth
  • GMC Infotainment System with color touchscreen
  • SiriusXM Trial Subscription
  • Wi-Fi Hotspot capable
  • Wireless phone projection
  • 17" LT235/80R17E all-terrain, blackwall tires
  • 17" painted steel 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 with power folding/manual extending auto-dimming driver upper glass
  • Cab-mounted cargo area lamps
  • Chrome front bumper
  • Deep-tinted glass
  • Front license plate bracket
  • IntelliBeam
  • Painted center caps
  • Smoked Amber LED roof marker lamps
  • 12-volt auxiliary front power outlet
  • 120-volt 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
  • 60/40 split-folding rear bench seat
  • Assist handles
  • Compass
  • Cruise control
  • Front USB ports
  • Inside rearview auto-dimming 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
  • Power windows with rear express-down
  • Rear USB ports, charging-only
  • Rear air vents
  • Rear window defogger
  • Remote Keyless Entry
  • Rubberized vinyl floor covering
  • Single-zone climate control
  • Steering wheel
  • Universal Vehicle Module
  • Upfitter switches
  • 10-speed automatic transmission
  • 14,000 lbs. GVWR
  • 220-amp alternator
  • 3.73 rear axle ratio
  • 4-wheel antilock disc brakes
  • 6.6L V8 Gas engine
  • 63.5 gallon (240 liters), Dual front and rear fuel tanks
  • Black vertical recovery hooks
  • Capped fuel fill
  • Chassis Cab body
  • Engine block heater
  • External auxiliary transmission oil cooler
  • External engine oil cooler
  • Fully boxed frame
  • Heavy-duty 720 cold-cranking amps battery
  • Integrated trailer brake controller
  • Skid plates
  • Steering
  • Suspension Package
  • LED Daytime Running Lamps
  • 6 airbags
  • Buckle to Drive
  • Following Distance Indicator
  • Forward Collision Alert
  • Lane Departure Warning
  • OnStar Basics
  • OnStar services capable
  • Rear Seat Reminder
  • Teen Driver
  • Tire Pressure Monitoring System
  • Automatic Emergency Braking
  • Brake pad wear indicator
  • Front Pedestrian Braking
  • StabiliTrak, electronic stability control system with traction control
  • Convenience Package:
  • Tinted glass
  • Snow Plow Prep Package:
  • Power feed to accommodate a backup and roof emergency light
  • A single 220-amp alternator
  • A high-capacity air filter and an auxiliary transmission oil cooler
  • Heavy-duty front springs
  • May require additional optional equipment
  • Convenience Package
  • Snow Plow Prep Package
  • Rear-window defogger

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 100 miles of Carrollton, Georgia
Asking price$67,461Dealer asking price · 5 mi
Market value$66,631Market value · based on 9 comparable cars
vs. market Fair price+1.2%Fair price · based on 9 comparable cars

Where this price sits

Among the highest-priced · 22% of 9 similar listings ask more than this car.

$59,396lowest$71,326highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+1.2%
−25%Market value+25%
Fair price$830 above the market value of $66,631

Price range

$67,461
$59,396$71,326
8th lowest price of 10 similar listings within 100 milesTick marks the market value · range of 9 similar listings

AutosXchange Insights

  • Compared with 9 new 2026 GMC Sierra 3500 Pro listings within 100 mi.
  • Priced $830 above the market value of 9 comparable cars — compare options, condition and history.
  • 8th lowest price of 10 similar listings within 100 miles.
  • About 5 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # TG1378 — 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 6 ($67,461).0 price changes at this dealership: $67,461 → $67,461.

$67.2k$67.3k$67.4k$67.5k$67.6k$67.7kNov 6Nov 7Nov 8Nov 9Nov 10Nov 11

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

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 11); 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 3500 Pro · new · within 100 miles of Carrollton, Georgia. All 9 comparable cars for sale, nearest first.

More GMC Sierra 3500 near Carrollton

All years and trims. Nearest first.