What are the opening hours?

Monday 8am - 5pm 9am - 7pm Tuesday 8am - 5pm 9am - 7pm Wednesday 8am - 5pm 9am - 7pm Thursday 8am - 7pm 9am - 7pm Friday 8am - 6pm 8am - 5pm Saturday 8am - 12pm 9am - 4pm

Ernie Dean Chevrolet Buick GMC

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Alliston, ON
Ernie Dean Chevrolet Buick GMC

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Local GM dealership serving the community for over 30 years A family-run dealership reflecting the values of the community it serves.

For over 30 years Ernie Dean has been a name local’s can trust. Let our award winning parts, service and sales department look after all of your vehicle needs. If you’re maintaining your current car, purchasing a GM Optimum Used vehicle, or selecting a new vehicle from our award winning line up, Ernie Dean Chevrolet Buick GMC has got you covered.

10/28/2026

This one has barely been broken in. The 2021 Chevrolet Spark here at Ernie Dean in Ontario shows only 17,000 km on the odometer, and plenty of drivers put that much on a car in a single year. It's finished in Toasted Marshmallow Metallic, it's easy to park and it's easy on fuel. Are you taking this Chevy Spark or something else? Tell us in the comments.

10/28/2026

A perfect blend of style, sophistication, and versatility. The 2027 GMC Terrain Elevation finished in Riverstone Metallic truly stands out amongst the crowd! What do you think of Riverstone Metallic?

10/26/2026

Cypress Gray is gone for 2027, and we already have a guess at the new favourite. The 2027 Chevrolet Tahoe RST now comes in White Sands, a flat matte colour with no metallic that GMC calls Coastal Dune. With the black grille, black accents and no chrome, it looks stunning and stays easy to keep clean. Will it be the top seller? Comment your pick.

10/23/2026

280 days on the lot, and it took a guy from Sudbury to finally say yes. Matt, our HD specialist at Ernie Dean in Ontario, just sold our Lakeshore Blue Chevrolet Silverado 2500 LT with the Trail Boss package and high clearance step boards. The buyer was moving up from his 2024 ZR2 half ton. Now we have a Cypress Gray one built the same way. Message us or ask for Matt.

10/22/2026

This might be the last one of these we ever sell. The 2027 redesign cuts the LT, so Matt tracked down a Sterling Gray Chevy Silverado LT with the 3.0L Duramax diesel, Z71 package and leather seats for a customer a couple hours away. Will you miss the LT? Tell us in the comments. Call for availability.

10/20/2026

I asked the Ernie Dean team one simple question, and the answers were all over. Where are the best places to eat in Orangeville, Ontario? Everyone had a favourite and a reason to defend it. Tell me in the comments whose pick you're siding with, or stop by Ernie Dean and add your spot to the list.

10/17/2026

Chevy or GMC? GMC or Buick? Rate our answers and let us know if Ernie Dean in Alliston, Ontario knows ball.

10/15/2026

Class and sportiness all in one SUV. The Chevy Suburban RST diesel is on the lot and ready. Who's calling first?

10/12/2026

Are you ready to make a move with the Traverse but you're stuck on the trim? High Country for luxury, RS for attitude, Z71 for the cottage roads. Comment your pick.

10/09/2026

The High Country is back and our first 2027 has arrived! What do you think? Are you coming to see it?

Address

4906 Concession 7
Alliston, ON
L9R1V3

Opening Hours

Monday	8am - 5pm
	9am - 7pm
Tuesday	8am - 5pm
	9am - 7pm
Wednesday	8am - 5pm
	9am - 7pm
Thursday	8am - 7pm
	9am - 7pm
Friday	8am - 6pm
	8am - 5pm
Saturday	8am - 12pm
	9am - 4pm

Website

https://linktr.ee/erniedeangm

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