Open Today! Sales: 9am-6pmService: 8am-5pm

1Buy the following aftermarket brake brands: ACDelco Gold, ACDelco Silver, ACDelco Professional or ACDelco Advantage and if you find a better price on similar aftermarket brake brands within 30 days of the purchase, we’ll refund the difference. Requires valid ad, written estimate or Internet quote for select (Raybestos Professional, Wagner ThermoQuiet, Bendix, Satisfied Brakes, Raybestos Service Grade, Monroe/Certified, CarQuest Red, NAPA TruStop, Midas, Fountain Tire, KalTire, Centric, Wagner QuickStop) aftermarket brake pads, shoes, rotors or drums from a local competing retailer and installer located within 80 km of the dealer required during offer period for price match. Offer available to retail customers only at participating Canadian Chevrolet Buick GMC Cadillac dealers. Offer valid on brake part (pads/shoes/rotors/drums) price only; cost of installation/labour not included in price guarantee from January 1, 2024 to December 31, 2024. GM Canada reserves the right to cancel, modify or amend the offer without notice. Conditions and limitations apply. May not be combined with other offers and programs. 80Offer valid from February 1, 2024 to March 31, 2024 at participating Chevrolet, Buick, GMC, and Cadillac Certified Service dealers. Customers who receive a no-charge brakes inspection during the offer period will receive a coupon for an instant discount of up to $120 (before tax) on new GM Genuine Parts Brake Pads ($20/axle) and Rotors ($20/wheel), or up to $60 (before tax) on new ACDelco® Brake Pads ($10/axle) and Rotors ($10/wheel). Coupons must be redeemed during the offer period and must be presented at the time of appointment. Customers applying instant discount to purchase of brake pads and/or rotors must have the brake pads and/or rotors installed by the same dealer who completed the brakes inspection; discount can only be applied toward brake pads and/or rotors installed on the same vehicle on which the no-charge brake inspection was completed. Offer available to retail customers only. GM Canada reserves the right to cancel, modify or amend the offer without notice. Conditions and limitations apply. See dealer for details.
Offer applies to 12 V batteries only. Offer valid from December 1, 2023, to January 31, 2024, at participating Chevrolet, Buick, GMC, and Cadillac Certified Service dealers in Canada. Customers who receive the no-charge battery test during this period will receive a coupon for an instant rebate of $20 (before tax) on a new ACDelco® battery. Coupon must be redeemed during the offer period and must be presented at the time of appointment. No-charge battery test will be completed by the dealer with a handheld battery tester. Customers purchasing a new battery with the $20 instant rebate must purchase the battery from, and have it installed by, the same dealer who completed the battery test; rebate can only be applied towards a battery for the same vehicle on which the no-charge battery test was completed. Offer available to retail customers only. GM Canada reserves the right to cancel, modify or amend the offer without notice. Conditions and limitations apply. See a participating dealer for details.
*$140 instant rebate on the purchase of a set (4 tires) of Bridgestone Blizzak winter tires when you purchase, finance or lease an eligible 2022-2025 GM vehicle between January 3, 2024 to December 31, 2024. New retail vehicles only; purchase, finance or lease of used, certified pre-owned or fleet vehicles not eligible for offer. Eligible tires must be purchased at time of delivery of vehicle. Rebate is non-stackable with other Bridgestone consumer offers. Rebate applied before applicable taxes. Offer is subject to tire availability. No rain checks available. This offer may be changed, cancelled or extended at any time without notice. Conditions apply. See participating dealer for details.
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Buick, GMC Buick, GMC

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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GMC Savannah with commercial storage system
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 Feb 2, 2024

Wow, these guys know there stuff. Brought my truck back to life , fixed a problem that a lot of mechanics couldn't. Very impressed. Back to driving my truck safely .Thank-you an your team. Ken Simmons 😁

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Google Dec 13, 2023

Amazing experience, very knowledgeable and very welcoming staff.

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Google Nov 18, 2023

Jeremy was great. The whole staff was. Got me in quick. Got my truck fixed before the weekend

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Google Nov 14, 2023

Mills motors when every one couldn't have time to work on my vehicle one call and mills gave me an appointment on the spot.

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DealerRater Jan 20, 2023

Incredible service! I took my car in there and the process was smooth and efficient. Jeremy was great to deal with. Thanks again.

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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!

Main: (905) 436 1500

Service: (905) 432 7333

Parts: (905) 723 8105

Collision Centre:

Mills Motors Buick GMC 43.9013761, -78.8554195.