About Us

Thornhill Precision Auto Service has served in Thornhill community since 1993. We specialize in auto repair, electrical diagnosis and engine performances for all makes and models. We offer the highest quality and reliable services that you can count on.

Our friendly and professional staffs are here to answer any questions you may have about our company or our services.
Browse our Web site for more information about Thornhill Precision Auto Service. If you have any questions or would like to speak to Simon regarding our Services, please e-mail us at thornhill.precision@gmail.com or call us at 905-881-1375.

At Thornhill Precision Auto Service, the customer always comes first



  • Oil Changes
  • Muffler & Exhaust Systems
  • Electrical Services
  • Alignment
  • Brakes
  • Steering & Suspension
  • Preventative Maintenance
  • Tires
  • Engine Diagnostics
  • Mechanical Repairs
  • Emission Testing
  • Motor Vehicle Safety Inspection
  • Transmission Services
  • Air Conditioning/Heating
  • Other