Best Car Tune-Up in Markham, ON
22 technicians listed · all 22 in Markham · 12 open weekends · 19 rated 4.5+
Data verified October 16, 2026
My Mechanic Auto & Tire Centre
Autoniche
Prime Performance Exhaust
Tactful Auto Service Center
Rock Spyder 4x4
Listed for drivers in and around Markham, ON, these 22 shops handle tune-up work and running faults. What each one says about diagnostics, warranties and service specials comes from its own website; ratings and quotes come from public reviews.

Area overview: Markham, ON
All 22 technicians we list here are in Markham itself. We have 66 technicians in Markham on file; this page shows the highest-rated 22. The technicians on this page are rated from 4.3 to 4.9 across 3,339 reviews; 19 have 50 or more reviews and 19 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price", "professional" and "attention to detail". 12 are open on Saturdays and 3 on Sundays. Domain records put 5 websites of the technicians on this page at ten or more years old; the oldest dates from 1999. 1 offers financing; 1 gives free estimates; 2 are family- or locally-owned and 3 list coupons or special offers. We have a website on file for 14 of the technicians on this page; 12 publish a contact page; 9 list a public email and 3 take bookings online. We count these figures across the technicians on this page; hours and prices change, so confirm the details with the technician before you visit.
Which shops listed for Markham open on Saturdays or Sundays?
12 of the 22 shops here show Saturday or Sunday hours. Plugs and filters fit neatly into a Saturday. A chase for an intermittent misfire does not, since it can need the car overnight to catch the fault happening from cold.