Vehicle highlights
- 4WD
- Apple CarPlay
- Android Auto
- Blind Spot Assist
- Backup Camera
- Heated Seats
Price and listing details
Price breakdown
- MSRP
- $74,780
- List price
- $71,349
- Fees, rebates & discounts
- -$2,563
- Advertised price
- $68,786
This is the net difference between the list and advertised prices. It may include fees, rebates, discounts, or other dealer adjustments. Confirm details and eligibility with the dealer.
Mandatory dealer charges are included in this advertised price. The dealer did not provide Car Handshake with an itemized fee breakdown. View the dealer’s listing or contact the dealer for details. Taxes, title, registration, and other government charges are additional.
- Stock number
- 147
- VIN
- 1GTUUEE86TZ537733
- Seen in inventory
- Listing updated
Confirm availability and transaction details with the dealership.
Specifications
Overview
- Year
- 2026
- Make
- GMC
- Model
- Sierra 1500
- Trim
- AT4
- Condition
- New
- Body
- Pickup
Engine & drivetrain
- Fuel
- Diesel
- Driveline
- 4WD
- Transmission
- Automatic
- MPG
- City 22 / Hwy 26
- Engine
- 3L I-6 direct injection, DOHC, variable valve control, intercooled turbo, diesel, engine with 305HP
Exterior & interior
- Exterior color
- Silver
- Interior color
- Black
Seating and powertrain
- Seats
- Not confirmed
- Third row
- Not confirmed
- Powertrain
- Diesel
Seat count does not confirm a third row. Check unconfirmed details with the dealership.
Features
45 listedSafety
13
- Backup Camera
- Lane Keep Assist
- Parking Sensors (Front and Rear)
- Lane Departure Warning
- Forward Collision Warning
- Pedestrian Automatic Emergency Braking
- Cruise Control
- Blind Spot Assist
- Forward Collision Alert with Automatic Braking, Front Pedestrian Braking
- Lane Keep Assist with Lane Departure Warning
- Rear Cross Traffic Braking collision mitigation
- Front and Rear Park Assist front and rear parking sensors
- Rear Seat Reminder rear seat check warning
Comfort & interior
9
- Remote Start
- Leather Seating
- Heated Steering Wheel
- Cooled Seats
- Heated Seats
- Power Seats
- Climate Control
- Sequential shift with steering wheel controls
- Keyfob remote start
Technology
9
- Apple CarPlay
- Android Auto
- Head-up Display
- Navigation
- Bluetooth
- Wi-Fi Hotspot capable mobile hotspot internet access
- Premium GMC Infotainment System external memory control
- Internet radio capability
- 6 USB ports, Hill Descent Control (HDC), Hill Start Assist (HSA)
Exterior & utility
9
- Trailer Hitch
- Trailer Brake Controller
- Tow Hitch
- Vehicle to trailer hitching assist
- Trailer light test
- Trailer light malfunction warning
- Trailer theft alarm
- Trailer sway control
- Tinted Windows
Performance
5
- AutoTrac part and full-time 4WD
- Duramax 3L I-6 direct injection, DOHC, variable valve control, intercooled turbo, diesel, engine with 305HP
- Duramax 3L I-6 DOHC
- Auto stop-start engine, Intercooled turbo
- Selectable mode transmission
Dealer notes
The 2026 GMC Sierra 1500 AT4 is a new crew cab 4WD pickup at Napleton Chevrolet Buick GMC in Beaver Dam, Wisconsin — and this one is built around the Duramax 3.0L Turbo-Diesel I6 paired with a 10-speed automatic with Electronic Precision Shift, making it the AT4 for buyers who want off-road credibility and diesel efficiency in the same truck. Outside, it wears Sterling Metallic, a cool light silver metallic finish, over a Jet Black with Kalahari Accents interior trimmed in perforated leather.
At a glance: Duramax 3.0L Turbo-Diesel I6 · 10-speed automatic with Electronic Precision Shift · 4WD with 2-speed transfer case · crew cab, short bed · new · Sterling Metallic exterior · Jet Black with Kalahari Accents perforated leather interior
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The AT4 Premium Package, Technology Package, Preferred Equipment Group 4SB, and AT4 Preferred Package are all aboard. The off-road story starts with the factory off-road suspension, skid plates, 20 x 9 machined aluminum wheels with carbon grey accents wrapped in 275/60R20 all-terrain blackwall tires, red recovery hooks, hill descent control, and dealer-installed off-road high clearance steps.
An auto-locking rear differential and a 2-speed transfer case give the drivetrain real bite on loose ground.
The trailering suite is equally thorough: Trailering Package, integrated trailer brake controller, Hitch View, Trailer Camera Provisions, Trailer Side Blind Zone Alert, and the In-Vehicle Trailering System App — everything needed to hook up and go with confidence. A 220-amp alternator and a heavy-duty air filter back up the work-truck side of this build.
Inside, the Technology Package adds a rear camera mirror, a multicolor 15-inch diagonal head-up display, and a bed view camera. The 13.4-inch diagonal premium GMC infotainment screen with Google Built-In runs navigation and voice assistance without a phone.
Wireless Apple CarPlay and Android Auto, a Bose 7-speaker premium sound system, SiriusXM with 360L trial subscription, wireless charging, a 120-volt interior power outlet, and multiple USB ports — including two Type-C rear charge-only ports — round out connectivity. The driver assistance picture includes HD Surround Vision, ultrasonic front and rear park assist, rear cross traffic braking, rear pedestrian detection, forward collision mitigation, and GMC Pro Safety.
Comfort features include heated and ventilated front bucket seats with perforated leather trim, heated second-row outboard seats, a power rake and telescoping steering column, remote vehicle starter system, keyless open and start, push-button start, front rain-sensing wipers, deep-tinted glass, a spray-on pickup bedliner with GMC logo, and a floor-mounted center console. The AT4 Preferred Package adds a power sliding rear window with rear defogger and a Universal Home Remote.
Napleton Chevrolet Buick GMC is at N8167 Kellom Rd. in Beaver Dam — about 45 minutes from Madison, an hour from Milwaukee, and 35 minutes from Fond du Lac, and a straightforward drive for shoppers coming from Mayville, Watertown, Columbus, and Randolph. Napleton has been family-owned for more than 80 years, and the sales process here is low-pressure.
If the diesel AT4 is the direction you're headed, we're glad to walk through the build and get the truck ready for your first trail run or tow day.
Dealership location
Napleton Chevrolet Buick GMC
Dealer: Napleton 151
N8167 Kellom Rd, Beaver Dam, WI, 53916
