New 2026 GMC Acadia AT4

2026 GMC Acadia AT4 AWD – The Ultimate Family Adventure SUV for Eastern Ontario Roads

Rugged Luxury Meets Everyday Practicality

Looking for a rugged SUV that’s built for real Canadian adventures without sacrificing comfort, technology, or style? Meet the 2026 GMC Acadia AT4, available now at Seaway GM in Cornwall, Ontario. With its bold design, premium tech, and serious off-road chops, this mid-size SUV is engineered for families and explorers alike across Tyotown, Martintown, Ingleside, Embrun, and everywhere in Stormont, Dundas, and Glengarry. Whether you’re heading to the cottage, carpooling through South Lancaster, or braving a snowy Maxville backroad, this Acadia is ready to roll.

Designed to Turn Heads – And Climb Hills

The 2026 Acadia AT4 doesn’t just look the part—it lives up to its aggressive styling with real capability. A lifted suspension and exclusive 18-inch dark machined aluminum wheels wrapped in all-terrain tires make it clear this isn’t your average crossover. Add in the off-road-tuned suspension and signature GMC LED headlamps, and you’ve got an SUV that’s equal parts bold and functional. Whether you’re loading up gear using the hands-free AutoSense liftgate in Alexandria or packing for a weekend escape in Williamstown, the Acadia AT4 makes a powerful first—and lasting—impression.

Inside, It’s All Comfort, Control, and Versatility

Step inside and you’ll see why the Acadia AT4 is winning over families from Winchester to St. Andrew's West. Three rows of thoughtfully configured seating accommodate up to seven passengers, and with up to 2,760 litres of cargo space, you’ve got room for it all. The Forest Storm interior theme with Mahogany accents gives it a refined touch, while the 11-inch digital driver information centre keeps you connected to your journey. From the heated steering wheel to the power-adjustable driver’s seat with lumbar support, it’s clear this SUV was designed with comfort in mind.

Built for Confidence – Every Drive, Every Season

Safety isn’t optional—it’s standard. The 2026 Acadia AT4 comes packed with over 19 advanced driver-assistance technologies, so whether you're navigating snowy backroads in Moose Creek or merging onto Highway 401 from Casselman, you're covered. The Active Torque Control AWD system offers next-level traction, while the 9-camera HD vision system, including surround view and a rear-camera mirror, enhances visibility like never before. Terrain Mode and customizable drive settings mean this SUV adapts to wherever you're going—from icy mornings in Saint Isidore to muddy summer trails in Chesterville.

Why the Acadia AT4 Tops the Segment

If you’ve considered the Ford Edge or Jeep Grand Cherokee, the Acadia AT4 deserves your attention. It outshines rivals with its cutting-edge 15-inch infotainment system, wireless Apple CarPlay and Android Auto, and a 12-speaker Bose sound system that fills every corner from Cornwall to Morrisburg with your favourite playlist. Add tri-zone automatic climate control and a wireless charging pad, and it's easy to see why families in Churchill Heights and Summerstown Station are making the switch to GMC.

Why Buy from Seaway GM?

Seaway Chevrolet Buick GMC in Cornwall isn’t just another dealership—we’re Eastern Ontario’s most trusted automotive destination. With over 35 years of industry experience, our team delivers unbeatable service, transparent financing, and exceptional value. From Saint Isidore to Russel, customers return because they know we treat them like family and make vehicle ownership easy—from trade-in to service to collision repairs with our Carstar-certified Bodyshop.

Picture This: Your Life in the Acadia AT4

Imagine this: you’re driving through Martintown with your favourite playlist streaming through the Bose speakers, kids settled comfortably in the second row, and the road ahead clear and inviting. The snow is falling lightly as you engage Terrain Mode and feel the vehicle respond with confidence. That’s not just a drive—it’s the kind of everyday adventure you’ll look forward to. Reading about the Acadia is one thing—getting behind the wheel is where the story really begins.

Book Your Test Drive Today

Experience everything the 2026 GMC Acadia AT4 has to offer. Schedule your test drive now at Seaway GM in Cornwall, Ontario and get ready to take on every road—paved or not—with confidence.