New 2026 GMCSierra 3500 HD Chassis Cab Pro
- Diesel
- Exterior Color
- Summit White
- Interior Color
- Jet Black
- Body/Seating
- Truck Crew Cab/6 seats
- Seats
- 6 seats
- Transmission
- Automatic
- Drivetrain
- 4x4
- Engine
- V-8 cyl
- VIN
- 1GD4USEY4TF400088
- Stock Number
- G6399
Highlighted Features
- Lane departure
- Emergency communication system
- Premium audio system
- Wireless phone connectivity
- Auto high-beam headlights
- Auto-dimming rearview mirror
- Split folding rear seat
- Perimeter/approach lights
- Remote keyless entry
- Fully automatic headlights
- Power driver seat
- Dual rear wheels
Included Packages & Accessories
- 3.42 Rear Axle Ratio
- Deep-Tinted Glass
- Preferred Equipment Group 1SA
- Sierra HD Pro Safety
- Forward Collision Alert
- Following Distance Indicator
- Front Pedestrian Braking
- IntelliBeam Automatic High Beam on/Off
- Lane Departure Warning
- Buckle to Drive
- Low Speed Forward Automatic Braking
- Solar Absorbing Tinted Glass
- Chrome Grille with Flat Black Grille Insert Bars
- High-Visibility Molded in Black Outside Mirrors
- 170 Amp Alternator
- 2-Speed Electronic Shift Transfer Case
- 10-Way Power Driver Seat Adjuster with Lumbar
- Electric Rear-Window Defogger
- Power-Adjustable Black Outside Mirrors
- Tires: LT235/80R17E AT BW
- Engine Block Heater
- Front 40/20/40 Split-Bench Seat
- 4-Way Manual Driver Seat Adjuster
- 4-Way Manual Passenger Seat Adjuster
- Front License Plate Kit
- Winter Grille Cover
- Transmission: 10-Speed Automatic
- 2 Charge-Only Rear USB Ports
- SEO: Rear Camera Kit
- Skid Plates
- Wheels: 17" Painted Steel
- 40 Gallon Rear Only Fuel Tank
- Engine: Duramax 6.6L Turbo-Diesel V8
- 220 Amp Alternator
- Dual Heavy-Duty 70 Amp-Hour Battery
- Exhaust Brake
- Radio: AM/FM with GMC Infotainment System
- Wireless Phone Projection
- 6-Speaker Audio System Feature
- Inside Rearview Auto Dimming Mirror
- Convenience Package
- Wide-Track Rear Axle
- Bed View Camera
- 120-Volt Instrument Panel Power Outlet
- Snow Plow Prep Package
Detailed Specifications
- 1-touch down
- 1-touch up
- Air conditioning
- Auto-dimming rearview mirror
- Driver door bin
- Emergency communication system: OnStar Services capable
- Front beverage holders
- Illuminated entry
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Proximity key: push button start only
- Rear door bins
- Remote keyless entry
- Speed control
- Tilt steering wheel
- Dual rear wheels
- Front anti-roll bar
- Front tires: 235/80SR17.0E
- Front wheel independent suspension
- Power steering
- Rear tires: 235/80SR17.0E
- Tires: all-terrain
- Wheel size: 17"
- 1st row LCD monitors: 1
- AM/FM radio
- Premium audio system: GMC Infotainment System
- Primary LCD size: 7.0"
- Smart device integration: Apple CarPlay/Android Auto
- Speakers: 6
- Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
- Wireless phone connectivity: Bluetooth
- Basic warranty: 36 months/36,000miles
- Corrosion perforation warranty: 72 months/100,000miles
- Diesel engine warranty: 60 months/100,000miles
- Maintenance warranty: 12 months/ unlimited distance
- Powertrain warranty: 60 months/60,000miles
- Roadside assistance coverage: 60 months/60,000miles
- Front center armrest: w/storage
- Front seats: bench
- Max seating capacity: 6
- Power 2-way driver lumbar support
- Power driver seat
- Rear seats: split-bench
- Rear seats Folding position: fold-up cushion
- Seat Upholstery: vinyl
- Split folding rear seat
- Block heater
- Compressor: intercooled turbo
- Cylinder configuration: V-8
- Drive type: four-wheel
- Engine liters: 6.6L
- Engine location: front
- Fuel tank capacity: 40.0gal.
- Horsepower: 470hp @ 2,800RPM
- Hybrid traction battery type: none
- Mode select transmission
- Number of valves: 32
- Rear locking differential
- Recommended fuel: Diesel
- Standard fuel economy fuel type: diesel
- Torque: 975 lb.-ft. @ 1,600RPM
- Transmission: 10 speed automatic
- Variable valve control
- Ground clearance (min): 207mm (8.2")
- Bumpers: chrome
- Heated door mirrors
- Left rear passenger door: conventional
- Power door mirrors
- Right rear passenger: conventional
- Skid plates
- Trailer sway control
- Turn signal indicator mirrors
- Compression ratio: 16.00 to 1
- Curb weight: 3,743kg (8,252lbs)
- Engine bore x stroke: 103.0mm x 99.0mm (4.06" x 3.90")
- Engine displacement: 6.6 L
- Engine torque: 975 lb.-ft. @ 1,600RPM
- Exterior body width: 2,053mm (80.8")
- Exterior height: 2,035mm (80.1")
- Exterior length: 6,866mm (270.3")
- Front headroom: 1,093mm (43.0")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,677mm (66.0")
- GVWR: 6,350kg (14,000lbs)
- Payload: 2,586kg (5,702lbs)
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,530mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,659mm (65.3")
- Turning radius: 8.8m (28.7')
- Wheelbase: 4,496mm (177.0")
- Appearance: analog
- Auto high-beam headlights
- Compass
- Delay-off headlights
- Exterior parking camera cargo
- Front reading lights
- Fully automatic headlights
- Lane departure: Lane Departure Warning warning
- Low tire pressure warning
- Outside temperature display
- Rear reading lights
- Rear window defroster
- Tachometer
- Trip computer
- Variably intermittent wipers
- Voltmeter
- 4 wheel disc brakes
- ABS brakes
- Brake assist
- Dual front impact airbags
- Dual front side impact airbags
- Electronic stability
- Forward collision: Forward Collision Alert with Automatic Braking mitigation
- Front pedestrian detection: prevention
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Traction control
KBB.com Consumer Reviews
Price reflects discount and all current cash incentives. Prices include Trade Assistance. Does not include tax, title, license, finance charges and administration fee. All prices and availability subject to change without notice. Check with the dealer to see if you qualify for all rebates. Some pricing errors can be made, contact dealer for most current information. It is possible that there could be accessories that were added to the vehicle that are not reflective on internet prices. While great effort is made to ensure the accuracy of the information on this site, errors in price and equipment do occur so please verify information with a sales consultant before taking delivery.