Open Today! Service: ClosedSales: 9am-5pm
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Commercial Vehicles

We get it. When it comes to your fleet, you can’t afford mistakes. You need the right vehicles, customized to your specific business needs. You need a dealer you can count on and you need every dollar to count.

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Woman behind the wheel of a Buick, GMC Vehicle
Dealership Exterior with Employees

Welcome to Mills Motors Buick GMC

Your vehicle is one of the most important things you own. It gets you to work, gets your kids to school, helps you run errands around town, and lets you take to the open road. For something so essential to everything you do, you want to rely on the very best dealership in the area for sales, financing, service, and parts. That dealership is Mills Motors Buick GMC.

The first thing people notice when they visit us in person is the size of our inventory. We carry the full lineup of new vehicles from Buick and GMC. There are many options for every driver and every budget. We also have a huge inventory of pre-owned vehicles from other major automakers, which makes it easy to comparison shop. When the right vehicle jumps out at you, our expert financing department is here to get you approved for the loan you need quickly at a competitive rate.

Once you’re on the road, trust our professional service department to handle all your long-term maintenance and repair needs. You car is in good hands with our team, and we will do everything possible to provide superior work faster and at a lower price. You can also take advantage of our parts department to find official parts and accessories for purchase for all Buick and GMC vehicles.

Car shoppers from far and wide choose to work with us a because of our total commitment to customer service. We will do whatever it takes to ensure your experience accommodates all your needs, saves you money, respects your time, and leaves you fully satisfied. Visit us in person Monday through Saturday at 240 Bond Street East in Oshawa, and contact us if we can answer any of your questions.


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Our Reviews

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Google Apr 23, 2021

Everton Michell went well above the call of duty. Every question he answered, every problem he solved. Can't say enough about his work in getting my truck. Love my new truck, highly recommend him

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Google Apr 16, 2021

Recommended highly. Tony is one amazing person to deal with.

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Google Apr 10, 2021

Great dealership, fair and considerate.

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Google Apr 9, 2021

Very nice employees. Excellent service

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Google Mar 26, 2021

Excellent place to buy trucks. Drove 2 hours but got the best deal on my trade and purchase. Nick is is a great sales professional.

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Google Feb 10, 2021

Neither Rain, nor Hail, nor Sleet or Snow.... ....will prevent my Dealer, the ever-thoughtful MR. ALLAN CLARK from looking after me once again, with another new vehicle offer at unbelievable savings!! To Mr. CLARK and his Staff at Oshawa’s MILLS MOTORS BUICK GMC LTD.... THANK YOU for the 2021 GMC SIERRA!! I’ll be back once again!!!! After 23 years dealing with the same Company for my past 7 vehicles, I can say with absolute confidence....if you are looking to be treated fairly and respectfully with the best opportunities available, CALL MR. ALLAN CLARK!!! THANK YOU SIR!!!!

We are conveniently located at 240 Bond Street, Oshawa, ON L1G 1B5 (At the corner of Ritson and Bond, across from Costco)

Buy From Home Value Your Trade!
Buy From Home Value Your Trade!
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Mills Motors Buick GMC

(905) 436 1500

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(905) 432 7333

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(905) 723 8105

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Collision Center

(905) 723 2953

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240 Bond Street East • Oshawa, ON L1G 1B5

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Today's Hours:

Open Today! Sales: 9am-5pm

Service: Closed

Parts: Closed

Collision: Closed

Main: (905) 436 1500

Service: (905) 432 7333

Parts: (905) 723 8105

Collision Center: (905) 723 2953

Parts: Closed

Collision: Closed

Mills Motors Buick GMC 43.9013761, -78.8554195.