GM Certified Service

Get the best possible service from the experts!

Certified Technicians know your vehicle inside and out and are specifically trained to service Chevrolet, Buick, GMC and Cadillac vehicles using a wide variety of parts to suit any budget from ACDelco to original equipment. Request a quote or schedule a service appointment today to receive “Expert Service at Competitive Prices”.

GM Certified Service
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Book Appointment Online

Quick, efficient and the ability to book an appointment online 24 hours a day.

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Oil Change Service

Oil Change

If you need an oil change, take a 29-minute break in one of our two waiting areas, and grab a cup of coffee as we give your vehicle a lube, oil and filter change, a complimentary car wash, interior clean, alignment check and much more!

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Service Specials

Service Specials

Take advantage of our special discounts on select services.

Service Specials

We have your best interests in mind, so we only hire the most highly trained mechanics to work in our service centre. Our repair technicians know your GM vehicle better than anyone, so they work quickly and efficiently, and that can save you money.

 

Dealership Info

Phone Numbers:Sales Hours:
  • Mon - Thu9:00 AM - 6:00 PM
  • Fri9:00 AM - 5:30 PM
  • Sat9:00 AM - 5:00 PM
  • SunClosed
Service Hours:
  • Mon - Fri8:00 AM - 5:00 PM
  • Sat - SunClosed
Mills Motors Buick GMC is located at: 240 Bond Street East • Oshawa, ON L1G 1B5
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.