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NEW GMC SIERRA 2500 HD FOR SALE IN BROOKFIELD, WI
2026 GMC Sierra 2500 HD for Sale in Brookfield
When you need a heavy-duty truck that delivers exceptional capability and refined comfort, the 2026 GMC Sierra 2500 stands ready to exceed expectations.
At Mike Juneau's Brookfield Buick GMC, drivers throughout the region can explore this impressive full-size pickup and discover why it remains a top choice for those who demand more from their truck.
Whether you tackle demanding work projects or weekend adventures, this powerful machine offers the strength and sophistication you deserve.
Performance
The 2026 GMC Sierra 2500 provides two robust powertrain options designed to handle your toughest tasks. Milwaukee drivers will appreciate the impressive capability these engines deliver for both work and recreation:
- 6.6-liter, eight-cylinder gas engine producing 401 horsepower and 464 pound-feet of torque with direct injection and variable valve timing
- 6.6-liter, turbo-diesel eight-cylinder, generating 470 horsepower and an impressive 975 pound-feet of torque with B20-diesel compatibility
Both engines pair with a 10-speed automatic transmission that delivers smooth shifts and optimal power delivery.
Drivers in Glendale, WI, can choose between four-wheel drive and rear-wheel drive configurations depending on their needs. The auto-locking rear differential comes standard across the lineup, providing enhanced traction when conditions demand it.
Technology and Safety
Modern connectivity and advanced safety systems make the 2026 GMC Sierra 2500 a smart choice for Wauwatosa families and professionals alike.
The Sierra HD Pro Safety suite brings confidence to every drive with innovative features designed to help protect you and your passengers:
- Forward collision alert monitors traffic ahead and provides warnings
- Automatic emergency braking helps avoid or reduce the severity of collisions
- Lane departure warning alerts you when unintentionally drifting from your lane
- Front pedestrian braking detects pedestrians and can apply brakes automatically
- HD rear vision camera provides clear views when reversing
- StabiliTrak stability control with proactive roll avoidance and electronic trailer sway control
Wireless Apple CarPlay and Android Auto capability come standard, allowing seamless smartphone integration. The available GMC Infotainment System features a premium display with Google built-in apps, including navigation and voice assistance.
Interior
Step inside the 2026 GMC Sierra 2500 and discover a cab crafted for comfort during long days on the job or extended road trips. Greenfield, WI, customers will find seating configurations ranging from the practical split-bench to luxurious front bucket seats with a center console. Higher trims offer heated and ventilated seats, along with massage functionality for ultimate relaxation.
The rear seat provides ample space with a folding bench that includes seatback storage and a fold-out armrest with cupholders. Premium materials elevate the atmosphere, with options including cloth, perforated leather-appointed seating, and full-grain leather in top-tier models.
Exterior
The commanding presence of the 2026 GMC Sierra 2500 makes a bold statement wherever you travel around West Bend. Animated LED projector headlamps with signature daytime running lamps create a distinctive look while improving visibility. Multiple body configurations allow you to select the perfect setup for your needs, including regular cab, double cab, and crew cab options with standard or long bed lengths.
The available GMC MultiPro Tailgate offers six functional load and access features that simplify everyday tasks. Frame-mounted recovery hooks and the standard trailer package with hitch guidance demonstrate this truck is built for serious capability.
Trims
The 2026 GMC Sierra 2500 offers seven distinct trim levels, each designed to meet specific needs and preferences:
- Pro - the work-ready foundation, featuring vinyl seat trim, rubberized-vinyl floor covering, and essential technology for getting the job done
- SLE - adds cloth seating, the premium infotainment system with larger display, deep-tinted glass, and keyless open-and-start
- SLT - elevates comfort with perforated leather-appointed seats, dual-zone automatic climate control, LED fog lamps, and a heated steering wheel
- AT4 - brings off-road capability with unique suspension tuning, Rancho shocks, skid plates, and bold styling cues
- AT4X - the ultimate off-road performer, featuring 35-inch mud-terrain tires, driver-selectable locking rear differential, and premium audio
- Denali - delivers refined luxury with perforated leather seating, chrome accents, and advanced technology features
- Denali Ultimate - represents the pinnacle of the lineup with full grain leather, 16-way power front seats with massage, and the exclusive Duramax diesel engine
Mike Juneau's Brookfield Buick GMC - Test Drive the New GMC Sierra 2500
Contact our local Milwaukee-area GMC dealership to schedule your test drive of the all-new 2026 GMC Sierra 2500 and discuss your purchasing or leasing options.
With your acquisition, we also provide GMC-certified servicing.
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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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