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New GMC SIERRA 3500HD FOR SALE IN BROOKFIELD, WI
2026 GMC Sierra 3500 HD for Sale in Brookfield
Mike Juneau's Brookfield Buick GMC is proud to offer the 2026 GMC Sierra 3500 HD, a heavy-duty pickup truck engineered to handle the most demanding work and towing requirements.
This powerful workhorse combines exceptional capability with refined comfort, making it an ideal choice for drivers throughout the Brookfield area who need a truck that can get the job done.
Performance
The 2026 GMC Sierra 3500 delivers outstanding power through two impressive engine options designed to meet diverse driving needs. Drivers in Milwaukee seeking exceptional towing capability will appreciate the robust performance these powertrains provide:
- 6.6-liter, eight-cylinder Duramax turbo-diesel engine, producing 470 horsepower and 975 pound-feet of torque, paired with a 10-speed Allison automatic transmission
- 6.6-liter, eight-cylinder gasoline engine, delivering 401 horsepower and 464 pound-feet of torque with variable valve timing and direct injection
Both engines work seamlessly with the available four-wheel drive system, providing confident traction in challenging conditions. Residents of Glendale, WI, will find this heavy-duty truck ready for any task, whether hauling heavy loads or navigating tough terrain.
Technology
The Sierra 3500 features advanced technology and safety systems designed to enhance every drive. Drivers from Wauwatosa will appreciate how these features work together to provide peace of mind on the road:
- 13.4-inch diagonal premium GMC infotainment touchscreen with Google built-in apps, including navigation and voice assistance
- HD surround vision providing an overhead view of the area around the vehicle
- Forward collision alert and automatic emergency braking for enhanced safety
- Lane departure warning to help maintain proper lane positioning
- Trailer side blind zone alert for confident towing operations
Wireless Apple CarPlay and Android Auto capability keep drivers connected while the in-vehicle trailer app provides comprehensive trailer monitoring, including tire pressure alerts and electrical diagnostics.
Interior
Inside the cab, the 2026 GMC Sierra 3500 offers a comfortable and functional environment. Customers from Greenfield, WI, will discover spacious seating configurations, including crew cab, double cab, and regular cab options. Higher trims feature heated and ventilated front seats, a heated steering wheel, and premium leather seating surfaces.
The available GMC MultiPro tailgate offers six functional load and access features for added versatility. Dual-zone automatic climate control, wireless charging, and multiple USB ports ensure passengers stay comfortable and connected throughout every journey.
Exterior
The exterior design of the Sierra 3500 commands attention with its bold stance and purposeful styling. LED headlamps with signature daytime running lamps provide excellent visibility, while animated LED projectors add a distinctive appearance.
Drivers near West Bend will appreciate the available spray-on bed liner and bed assist step for convenient cargo access. Chrome or black recovery hooks, power-adjustable trailer mirrors with integrated turn signals, and available 20-inch wheels complete the capable appearance.
Trims
The 2026 GMC Sierra 3500 is available in six distinct trim levels to match every preference and requirement:
- Pro - A work-ready configuration with vinyl seating, rubberized-vinyl floor covering, and essential features for commercial applications
- SLE - Adds cloth seating, keyless open-and-start, and the premium infotainment system with SiriusXM
- AT4 - Off-road focused with standard four-wheel drive, Rancho shocks, skid plates, and unique interior appointments
- SLT - Premium comfort with leather-appointed seating, heated front seats, and advanced trailer technology
- Denali - Luxury appointments, including Bose premium audio, chrome accents, and 12-way power front seats
- Denali Ultimate - The pinnacle of refinement, featuring full grain leather seats, 16-way power massage seats, and a power sunroof
Mike Juneau's Brookfield Buick GMC - Test Drive the New Sierra 3500
Contact Mike Juneau's Brookfield Buick GMC to explore the complete lineup of 2026 GMC Sierra 3500 trucks and discover which configuration best suits your needs.
Our Chevrolet dealership also provides easy access to our finance department and service center.
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MIKE JUNEAU'S BROOKFIELD BUICK GMC
13000 W Capitol Dr
Brookfield, WI 53005
- Sales: (262) 923-8908
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