Meet the 2026 GMC Sierra 3500HD AT4, a powerful Crew Cab Long Bed diesel truck finished in striking Red with refined Jet Black and Kalahari Accents le… Read More…
Meet the 2026 GMC Sierra 3500HD AT4, a powerful Crew Cab Long Bed diesel truck finished in striking Red with refined Jet Black and Kalahari Accents leather interior. Engineered with a Duramax 6.6L V8 Turbodiesel engine paired to a 10-Speed Automatic transmission and 4WD capability, this Sierra 3500HD delivers the performance and capability you need. The AT4 trim adds rugged off-road credibility while maintaining the comfort and technology features that make daily driving a pleasure.- Duramax 6.6L V8 Diesel Turbocharged engine with 10-Speed Automatic- 4WD with 2-Speed Active Transfer Case and Off-Road Suspension- Crew Cab with heated and ventilated front leather seats- Premium GMC Infotainment System with 13.4" display and wireless phone projection- Bose Premium 7-Speaker Sound System with SiriusXM- Advanced safety: Automatic Emergency Braking, Lane Departure Warning, Rear Cross Traffic Alert- 20" High Gloss Black aluminum wheels with spray-on bedliner- Heated steering wheel and power sunroof- HD Surround Vision with bed, trailer, and rear cameras- Wireless charging and dual USB charging portsThis impressive Sierra combines capability with premium appointments. Visit our showroom to experience its commanding presence, innovative technology, and versatile bed space designed for work and weekend adventures.** Fuel Economy is based on EPA estimates and actual mileage may vary. May be subject to manufacturers' open safety recalls, visit www.safecar.gov to check. The written warranty for this vehicle is available for inspection at the dealership prior to purchase. ** Price Includes: $2000 - GMC Bonus Cash. Exp. 11/30/2026 $2500 - Buick & GMC Consumer Cash Program. Exp. 11/30/2026 Read Less
Chassis Details
Stock Number
G90559
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 3500
Class
3
GVWR
12,250
Drivetrain
4WD
Cab Type
Crew
Vehicle Trim
AT4
Vehicle VIN
1GT4UVEY1TF390559
Interior Color
Jet Black With Kalahari Accents
Seating Capacity
5
Exterior Color Description
Volcanic Red Tintcoat
Engine Cylinder Count
8
Transmission Type
Automatic
Fuel Type
Diesel
Engine Model
L5P
Engine Size (L)
6.6
Vehicle Options
AT4 Preferred Package
Preferred Equipment Group 4SB
Technology Package
X31 Off-Road Package
7 Speakers
AM/FM radio: SiriusXM with 360L
Bose Premium 7-Speaker Sound System
Premium audio system: Premium GMC Infotainment System
Radio: AM/FM Stereo with Premium GMC Infotainment System
SiriusXM with 360L Trial Subscription
Steering Wheel Audio Controls
Air Conditioning
Automatic temperature control
Electric Rear-Window Defogger
Front dual zone A/C
Rear window defroster
120-Volt Bed Mounted Power Outlet
120-Volt Instrument Panel Power Outlet
Driver Memory
Memory seat
Power driver seat
Power Front Windows with Passenger Express Up/Down
Power steering
Power windows
Push Button Start
Remote keyless entry
Remote Vehicle Starter System
Steering wheel mounted audio controls
Universal Home Remote
Manual Tilt-Wheel/Telescoping Steering Column
Off-Road Suspension
Speed-sensing steering
Traction control
4-Wheel Disc Brakes
ABS brakes
Dual front impact airbags
Dual front side impact airbags
Emergency communication system: OnStar Services capable
Front anti-roll bar
Front wheel independent suspension
Keyless Open and Start
Low tire pressure warning
Occupant sensing airbag
Overhead airbag
Power Sunroof
Pickup Bed
Brake assist
Electronic Stability Control
Lane Departure Warning System
Exterior Parking Camera Rear
Hill Descent Control
Auto High-beam Headlights
Delay-off headlights
Front fog lights
Fully automatic headlights
Deleted Mobile Service Plus
Panic alarm
Security system
Unauthorized Entry Theft-Deterrent System
Speed control
2-Speed Active Transfer Case
Dual 220-Amps Primary and 170-Amps Auxiliary Alternators
Engine Block Heater
Exhaust Brake
Heavy-Duty 80 Amp-Hour Battery
Auto-dimming door mirrors
Bumpers: body-color
Front License Plate Kit
Gloss Black Header and Grille Insert Bars
Heated door mirrors
IntelliBeam Automatic High Beam on/Off
LED Cargo Area Lighting
LED Smoked Amber Roof Marker Lamps
Power door mirrors
Rear step bumper
Rear Wheelhouse Liners
Spray-on Pickup Bedliner with GMC Logo
Turn signal indicator mirrors
Winter Grille Cover
2 Charge-Only Rear USB Ports
2 Charge/Data USB Ports Inside Center Console
2 USB Ports
Auto-Dimming Inside Rearview Mirror with Camera
Auto-dimming Rear-View mirror
Automatic Emergency Braking
Bed View Camera with Two Trailer Camera Provisions
Buckle to Drive
Compass
Driver door bin
Driver vanity mirror
Floor-Mounted Center Console
Following Distance Indicator
Forward Collision Alert
Front Pedestrian Braking
Front reading lights
GMC Premium 13.4" Diagonal Information Display
HD Surround Vision
Heated steering wheel
Illuminated entry
Multicolor 15" Diagonal Head-Up Display
Outside temperature display
Overhead console
Passenger vanity mirror
Premium Front Floor Liners with Removable Carpet Insert
Premium Rear Floor Liners with Removable Carpet Insert