Heated steering wheel
Leather front seat upholstery
Pedestrian impact prevention
Forward collision mitigation with pedestrian impact prevention
Mobile hotspot internet access
Rear mounted camera
Adaptive Cruise Control
Head-up display
Automatic Emergency Braking brake assist system
Cruise control with steering wheel mounted controls
90 options across 13 categories
90
Total Options
9
Paid Options
81
Included
13
Categories
SiriusXM with 360L Trial Subscription
Code: 360XM
AM/FM Stereo with Premium GMC Infotainment System
Code: IOK
Steering Wheel Audio Controls
Code: UK3
Bose Premium 7-Speaker Sound System
Code: UQA
+$1,575
Preferred Equipment Group 4SB
Code: 4SB
Power Front Passenger Windows with Express Up/down
Code: AEF
Technology Package
Code: CWM
120-Volt Bed Mounted Power Outlet
Code: KC9
120-Volt Instrument Panel Power Outlet
Code: KI4
AT4 Premium Package
Code: PDG
+$1,045
Sierra HD Pro Safety
Code: PDI
AT4 Preferred Package
Code: PDO
ProGrade Trailering System
Code: PROGTS
Snow Plow Prep/camper Package
Code: VYU
+$530
Off-Road Suspension
Code: Z71
12-Way Power Driver Seat Adjuster with Lumbar
Code: A2X
Front Bucket Seats
Code: A50
12-Way Power Passenger Seat Adjuster with Lumbar
Code: A7K
Heated Driver and Front Outboard Passenger Seats
Code: KA1
Heated 2nd Row Outboard Seats
Code: KA6
Ventilated Driver and Front Passenger Seats
Code: KQV
Forge Perforated Leather-Appointed Front Seat Trim
Code: STDTM
+$299
Driver Memory
Code: A45
Keyless Open and Start
Code: AVJ
Premium Rear Floor Liners with Removable Carpet Insert
Code: BKE
Premium Front Floor Liners with Removable Carpet Insert
Code: BKF
Push Button Start
Code: BTM
Remote Vehicle Starter System
Code: BTV
Floor-Mounted Center Console
Code: D07
Safety Alert Seat
Code: HS1
Jet Black W/Kalahari
Code: HVD
Wireless Charging
Code: K4C
Manual Tilt-Wheel/telescoping Steering Column
Code: N37
Wireless Phone Projection
Code: PPW
3 Years SiriusXM
Code: R6P
+$299
Buckle to Drive
Code: T8Z
2 Charge/data USB Ports Inside Center Console
Code: UBC
2 USB Ports
Code: UBD
2 Charge-Only Rear USB Ports
Code: UBI
Ultrasonic Front and Rear Park Assist
Code: UD5
Following Distance Indicator
Code: UE4
Forward Collision Alert
Code: UEU
Rear Cross Traffic Alert
Code: UFG
Lane Departure Warning
Code: UFL
Universal Home Remote
Code: UG1
Front Pedestrian Braking
Code: UKJ
Trailer Side Blind Zone Alert
Code: UKV
GMC Premium 13.4" Diagonal Information Display
Code: URD
HD Surround Vision
Code: UV2
Multicolor 15" Diagonal Head-Up Display
Code: UV6
Bed View Camera with Two Trailer Camera Provisions
Code: UVN
+$1,540
Power Sliding Rear Window with Defogger
Code: A48
Deep-Tinted Glass
Code: AKO
Rear Wheelhouse Liners
Code: B1J
Winter Grille Cover
Code: BHP
Electric Rear-Window Defogger
Code: C49
Front Rain-Sensing Wipers
Code: CE1
Power Sunroof
Code: CF5
+$995
Spray-On Pickup Bedliner with GMC Logo
Code: CGN
+$545
Pickup Box
Code: E63
Gloss Black Header and Grille Insert Bars
Code: GRILL4
IntelliBeam Automatic High Beam On/off
Code: TQ5
LED Smoked Amber Roof Marker Lamps
Code: U01
LED Cargo Area Lighting
Code: UF2
Off-Road High Clearance Step
Code: VXW
X31 Off-Road Package
Code: X31ORD
Capped Fuel Fill
Code: CAPDEL
GVWR: 12,100 lbs (5,488 Kg)
Code: G4Y
Hill Descent Control
Code: JHD
Automatic Emergency Braking
Code: UHY
Inside Rearview Auo-Dimming Rear Camera Mirror
Code: DRZ
3.42 Axle Ratio
Code: GU6
Skid Plates
Code: NZZ
+$495
Coastal Dune
Code: G42
+$495
+$10,190
Engine Block Heater
Code: K05
Exhaust Brake
Code: K40
220-Amp Alternator
Code: KW5
Duramax 6.6L Turbo-Diesel V8 Engine
Code: L5P
+$9,990
Dual Heavy-Duty 70 Amp Battery
Code: L5PBAT
Heavy-Duty 80 Amp Battery
Code: L8TBAT
High Idle Switch
Code: UF3
+$200
10-Speed Automatic Transmission
Code: MGM
2-Speed Active Transfer Case
Code: NQH
+$545
Hitch Guidance with Hitch View
Code: PZ8
Trailer Cam Provisions and Trailer Viewing Software
Code: TRG
In-Vehicle Trailering System App
Code: UET
Gooseneck/5th Wheel Prep Package
Code: Z6A
+$545
20" High Gloss Black 8 Spoke Aluminum Wheels
Code: Q7N
LT275/65R20 AT BW Tires
Code: QF9
Unauthorized Entry Theft-Deterrent System
Code: UTJ
Total Options Value
Combined MSRP of all factory options
$14,644
Discover your personalized rates and pre-approved payment options.
You'll be redirected to the dealer's website to complete your pre-qualification process.
You'll be redirected to the dealer's website to schedule service appointment.
Ready to roll or just need some additional details? Our Ai can schedule your VIP Test Drive & instantly answer many vehicle availability and equipment pkg questions
Heated steering wheel
Leather front seat upholstery
Pedestrian impact prevention
Forward collision mitigation with pedestrian impact prevention
Mobile hotspot internet access
Rear mounted camera
Adaptive Cruise Control
Head-up display
Automatic Emergency Braking brake assist system
Cruise control with steering wheel mounted controls
90 options across 13 categories
90
Total Options
9
Paid Options
81
Included
13
Categories
SiriusXM with 360L Trial Subscription
Code: 360XM
AM/FM Stereo with Premium GMC Infotainment System
Code: IOK
Steering Wheel Audio Controls
Code: UK3
Bose Premium 7-Speaker Sound System
Code: UQA
+$1,575
Preferred Equipment Group 4SB
Code: 4SB
Power Front Passenger Windows with Express Up/down
Code: AEF
Technology Package
Code: CWM
120-Volt Bed Mounted Power Outlet
Code: KC9
120-Volt Instrument Panel Power Outlet
Code: KI4
AT4 Premium Package
Code: PDG
+$1,045
Sierra HD Pro Safety
Code: PDI
AT4 Preferred Package
Code: PDO
ProGrade Trailering System
Code: PROGTS
Snow Plow Prep/camper Package
Code: VYU
+$530
Off-Road Suspension
Code: Z71
12-Way Power Driver Seat Adjuster with Lumbar
Code: A2X
Front Bucket Seats
Code: A50
12-Way Power Passenger Seat Adjuster with Lumbar
Code: A7K
Heated Driver and Front Outboard Passenger Seats
Code: KA1
Heated 2nd Row Outboard Seats
Code: KA6
Ventilated Driver and Front Passenger Seats
Code: KQV
Forge Perforated Leather-Appointed Front Seat Trim
Code: STDTM
+$299
Driver Memory
Code: A45
Keyless Open and Start
Code: AVJ
Premium Rear Floor Liners with Removable Carpet Insert
Code: BKE
Premium Front Floor Liners with Removable Carpet Insert
Code: BKF
Push Button Start
Code: BTM
Remote Vehicle Starter System
Code: BTV
Floor-Mounted Center Console
Code: D07
Safety Alert Seat
Code: HS1
Jet Black W/Kalahari
Code: HVD
Wireless Charging
Code: K4C
Manual Tilt-Wheel/telescoping Steering Column
Code: N37
Wireless Phone Projection
Code: PPW
3 Years SiriusXM
Code: R6P
+$299
Buckle to Drive
Code: T8Z
2 Charge/data USB Ports Inside Center Console
Code: UBC
2 USB Ports
Code: UBD
2 Charge-Only Rear USB Ports
Code: UBI
Ultrasonic Front and Rear Park Assist
Code: UD5
Following Distance Indicator
Code: UE4
Forward Collision Alert
Code: UEU
Rear Cross Traffic Alert
Code: UFG
Lane Departure Warning
Code: UFL
Universal Home Remote
Code: UG1
Front Pedestrian Braking
Code: UKJ
Trailer Side Blind Zone Alert
Code: UKV
GMC Premium 13.4" Diagonal Information Display
Code: URD
HD Surround Vision
Code: UV2
Multicolor 15" Diagonal Head-Up Display
Code: UV6
Bed View Camera with Two Trailer Camera Provisions
Code: UVN
+$1,540
Power Sliding Rear Window with Defogger
Code: A48
Deep-Tinted Glass
Code: AKO
Rear Wheelhouse Liners
Code: B1J
Winter Grille Cover
Code: BHP
Electric Rear-Window Defogger
Code: C49
Front Rain-Sensing Wipers
Code: CE1
Power Sunroof
Code: CF5
+$995
Spray-On Pickup Bedliner with GMC Logo
Code: CGN
+$545
Pickup Box
Code: E63
Gloss Black Header and Grille Insert Bars
Code: GRILL4
IntelliBeam Automatic High Beam On/off
Code: TQ5
LED Smoked Amber Roof Marker Lamps
Code: U01
LED Cargo Area Lighting
Code: UF2
Off-Road High Clearance Step
Code: VXW
X31 Off-Road Package
Code: X31ORD
Capped Fuel Fill
Code: CAPDEL
GVWR: 12,100 lbs (5,488 Kg)
Code: G4Y
Hill Descent Control
Code: JHD
Automatic Emergency Braking
Code: UHY
Inside Rearview Auo-Dimming Rear Camera Mirror
Code: DRZ
3.42 Axle Ratio
Code: GU6
Skid Plates
Code: NZZ
+$495
Coastal Dune
Code: G42
+$495
+$10,190
Engine Block Heater
Code: K05
Exhaust Brake
Code: K40
220-Amp Alternator
Code: KW5
Duramax 6.6L Turbo-Diesel V8 Engine
Code: L5P
+$9,990
Dual Heavy-Duty 70 Amp Battery
Code: L5PBAT
Heavy-Duty 80 Amp Battery
Code: L8TBAT
High Idle Switch
Code: UF3
+$200
10-Speed Automatic Transmission
Code: MGM
2-Speed Active Transfer Case
Code: NQH
+$545
Hitch Guidance with Hitch View
Code: PZ8
Trailer Cam Provisions and Trailer Viewing Software
Code: TRG
In-Vehicle Trailering System App
Code: UET
Gooseneck/5th Wheel Prep Package
Code: Z6A
+$545
20" High Gloss Black 8 Spoke Aluminum Wheels
Code: Q7N
LT275/65R20 AT BW Tires
Code: QF9
Unauthorized Entry Theft-Deterrent System
Code: UTJ
Total Options Value
Combined MSRP of all factory options
$14,644
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This 2026 GMC Sierra 3500HD AT4 delivers heavy-duty capability with premium refinement. Built on the legendary Sierra platform, this Crew Cab Standard Bed combines a powerful 6.6L V8 Diesel Turbocharged engine with a 10-speed automatic transmission and intelligent 4WD system. The stunning Tan exterior with Jet Black and Kalahari accents interior creates an upscale truck experience designed for work and weekend adventures alike.
- 6.6L V8 Diesel Turbocharged engine with 10-speed automatic transmission
- AT4 Premium Plus Package with advanced technology and premium features
- Snow Plow Prep and Gooseneck/5th Wheel Prep Package for versatile towing
- Engine Block Heater for reliable cold-weather starts
- Heated and ventilated front seats with 10-way power adjustment
- Premium Bose audio system with SiriusXM 360L trial subscription
- Advanced safety suite including automatic emergency braking and surround-view camera
- 13.4 Premium Information Display with wireless phone projection
- All-terrain capabilities with off-road suspension and hill descent control
- Spray-on bedliner with LED cargo lighting and multiple power outlets
This AT4 builds on GMC's tradition of merging work-ready engineering with luxury conveniences. The premium cabin appointments, intuitive infotainment, and comprehensive driver-assist technology make every mile more productive and enjoyable.
Visit our dealership to experience this impressive Sierra 3500HD firsthand and discover why it's the choice for discerning truck buyers.
Why buy from Ron Marhofer? We offer 3 day/400 mile exchange policy on our pre-owned vehicles. Additionally, we offer free home delivery up to 150 miles from the dealership. This excludes electric vehicles. Shop online, over the phone, or at the dealership...your choice! Please see our website at www.ronmarhofergmc.com for details. Price does not include tax, title, and license. Price includes applicable rebates. $2000 - GMC Bonus Cash. Exp. 11/30/2026 $2500 - Buick & GMC Consumer Cash Program. Exp. 11/30/2026
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We are not responsible for typographical, pricing, product information or advertising errors. In the event a vehicle is listed at an incorrect price due to typographical, photographic, or technical errors or errors in pricing information received from one of the manufacturers we represent, we shall have the right to refuse or cancel any sale, offer, or order placed for vehicles listed at the incorrect price. Prices are subject to change at the dealer's discretion, all prices are plus tax, title, license and Documentation Fees. See Dealer for details. The list of standard equipment and accessories contained on this document reflect equipment which was standard at the time vehicle was manufactured. This vehicle may or may not contain some or most of the equipment and accessories listed as a result of the vehicle identification number equipment compilation provided by a third party source. This VIN equipment compilation is provided as a service by the dealer and a third party source and is in no way intended to serve as a warranty or list of actual equipment contained on the vehicle.
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