Seaway Chevrolet Cadillac Buick GMC LTD

Seaway Chevrolet Cadillac Buick GMC LTD Trusted GM Dealer in Cornwall & SDG
New & Certified Chevrolet, Buick, GMC & Cadillac vehicles
Local. Family-owned.

Community-driven.
📍 Cornwall, Ontario
⬇️ Shop • Finance • Trade from Home Here at Seaway GM we have it all from buying, accessorizing and servicing your next vehicle. We ARE your one stop shop for all Chevrolet, Cadillac, Buick and GMC vehicles in Cornwall and the surrounding counties!

08/28/2026

7 - 2027 Truck orders up for Grabs!
4 Chevrolet
3 GMC
Get Yours First

08/27/2026

⏰ 4 DAYS LEFT!!!!!
Don’t wake up on Day 5 wishing you had made the drive.
Come see the team at Seaway Chevrolet Buick GMC in Cornwall and let’s find the right vehicle — and the right deal — before the clock runs out.
📲 Message us today, stop by the dealership, or book your test drive now!
4 DAYS. THAT’S IT. DON’T BE THE DAY-5 GUY. 😂
GMTrucks Chevrolet GMC Buick CornwallON SDG EasternOntario LongSault Ingleside Morrisburg AlexandriaON WinchesterON

💥 EMPLOYEE PRICING. YOU READ THAT RIGHT. 💥For a limited time, you can shop like an employee at Seaway GM.But the calenda...
08/27/2026

💥 EMPLOYEE PRICING. YOU READ THAT RIGHT. 💥

For a limited time, you can shop like an employee at Seaway GM.
But the calendar is moving fast. ⏰

Whether you're looking for a capable truck, a family-friendly SUV or something comfortable for your daily drive around Cornwall, Ingleside, Long Sault, Morrisburg and the SDG Counties, this is the week to come see us.

✅ Find your new vehicle
✅ Explore your trade-in options
✅ Take advantage of Employee Pricing before it disappears

📅 Ends August 31.
Your next vehicle could be closer than you think ;)

☀️ Summer isn’t over just yet! ☀️Okay… we know fall is starting to peek around the corner 🍂 — but with Employee Pricing ...
08/26/2026

☀️ Summer isn’t over just yet! ☀️
Okay… we know fall is starting to peek around the corner 🍂 — but with Employee Pricing ON now at Seaway GM, there’s still plenty of time to make the most of the season ahead.
Maybe you’ve got a few end-of-summer projects to tackle around the house. 🔨
Maybe fall means weekends at the cottage, hauling gear, heading to the rink, getting outside, or taking a road trip to enjoy the colours. 🚙🍁
Or maybe your current vehicle just isn’t keeping up with everything you’ve got planned.
So we want to know… what’s on your fall to-do list? 👇
🏡 Home projects?
🛶 Weekend adventures?
🏒 Hockey season?
🚚 Towing or hauling?
👨‍👩‍👧‍👦 Family road trips?
And more importantly… what new Chevrolet, Buick or GMC would make those plans even better? 😎
Whether you need the capability of a truck, the versatility of an SUV, or something comfortable for your daily drive around Cornwall and the SDG Counties, this could be the perfect time to upgrade.
🔥 Employee Pricing is on now — so don’t wait too long to find the vehicle that fits what’s next.
Tell us in the comments: What are you looking forward to this fall, and what would your perfect vehicle be? 👇

08/26/2026

Buy the truck. You’ll be happy with you did.

08/26/2026

Only 5 DAYS LEFT of Employee Pricing at Seaway GM. 👀🔥
If a new truck, SUV or daily driver has been on your mind, don’t sleep on this one.
⏰ Employee Pricing ends August 31.
Come see us in Cornwall and find the GM vehicle that fits your plans before the clock runs out.
GMC Buick Cadillac

🚨 EMPLOYEE PRICING IS ON — BUT NOT FOR MUCH LONGER! 🚨If a new Chevrolet, Buick or GMC has been on your mind, now is the ...
08/26/2026

🚨 EMPLOYEE PRICING IS ON — BUT NOT FOR MUCH LONGER! 🚨

If a new Chevrolet, Buick or GMC has been on your mind, now is the time to make your move.

Employee Pricing is available now through August 31, which means there are only a few days left to take advantage of one of the biggest opportunities of the summer.
Don’t spend September wishing you had stopped in. 👀

📍 Visit Seaway GM in Cornwall and find the vehicle that fits your life, your family and your next adventure.

🔥 Employee Pricing ends August 31. Don’t miss it.

08/25/2026

🚨 ONLY 6 DAYS LEFT OF EMPLOYEE PRICING! 🚨
Drive carefully on your way to Seaway GM… because the goal is to arrive with your current vehicle and leave with a shiny new one. 😄
Employee Pricing is almost gone, and so are some of the vehicles on our lot!
Come see us in Cornwall and we’ll help you find the perfect new Chevrolet, Buick or GMC for your driveway.
✅ Arrive safely
✅ Find your perfect new ride
✅ Take advantage of Employee Pricing
✅ Try not to smile the whole way home
6 days left — don’t be the person who shows up on Day 7! 😂
📍 Seaway GM | Cornwall, Ontario
👉 Come see us and let’s find your next vehicle!
Buick GMC EasternOntario

🎒🚌 BACK TO SCHOOL ALREADY?! 📚✏️It feels like summer just started, but the school buses are officially back in action thi...
08/25/2026

🎒🚌 BACK TO SCHOOL ALREADY?! 📚✏️

It feels like summer just started, but the school buses are officially back in action this morning! 🚌💛

As everyone gets back into the routine, please keep an extra eye out on the roads, watch for flashing bus lights and give our students plenty of space as they make their way to and from school.

To all the kids heading back today — have an amazing first day! 🎉

And to the parents, teachers, bus drivers and school staff getting back into the swing of things… we hope the coffee is strong! ☕😂

From all of us at Seaway GM, wishing everyone a safe, happy and fantastic start to the new school year! 💙🚗

08/24/2026

Want a $110,000 truck for way less???? Here is how you do it!

Address

2695 Brookdale Avenue
Cornwall, ON
K6J5X9

Opening Hours

Monday 9am - 6pm
Tuesday 9am - 6pm
Wednesday 9am - 6pm
Thursday 9am - 6pm
Friday 9am - 6pm
Saturday 9am - 12pm

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