Autoniche
“The team is highly professional and they do have a detailed inspection report.”
Best Transmission Repair Shops in Markham, ON
24 mechanics listed · all 24 in Markham · 12 open weekends · 23 rated 4.5+
Data verified October 16, 2026
Rock Spyder 4x4
“Highly recommend this shop for all your needs and level of builds.”
Markham Auto Repair
“Very accommodating shop, I just showed up on a Friday afternoon of all busy days because my f150 was have trouble starting and they took it in after a short wait.”
Mechanic On Call
“He was very responsive and got us out of a quite challenging situation with our vehicle for an extremely reasonable price.”
Achachy Transmission & Auto Repair Inc.
“This is by far the best car shop and service repair in Markham area.”
Carstar Markham Heritage
“I got rust work done with them and they reassured me that they will do the best they can to prevent it from coming back.”
Listed for drivers in and around Markham, ON, these 24 shops work on transmissions. What each one says about rebuilds, warranty terms and the brands it handles comes from its own website; ratings and quotes come from public reviews.
Area overview: Markham, ON
All 24 mechanics we list here are in Markham itself. We have 42 mechanics in Markham on file; this page shows the highest-rated 24. The mechanics on this page are rated from 4.4 to 5.0 across 2,354 reviews; 17 have 50 or more reviews and 23 are rated 4.5 or higher. The topics that come up most in reviews of the mechanics on this page are "price", "professional" and "diagnosis". 12 are open on Saturdays and 1 on Sundays. 1 lists staff certifications (ASE). 3 have ten or more years of experience, the longest 23 years. 1 offers financing and 2 list coupons or special offers. We have a website on file for 7 of the mechanics on this page; 5 publish a contact page; 2 list a public email and 2 take bookings online. We count these figures across the mechanics on this page; hours and prices change, so confirm the details with the mechanic before you visit.
Do years in business matter for transmission work?
Ten or more years in business is claimed by 3 of the 24 shops here. Rebuild quality is hands-on skill, and a shop that has been in one place a long time is easier to hold to a warranty. It is what their listings state, not a guarantee.
Unique Workshop
“I am so glad that I found this place - such a hidden gem!”
Rigid Auto Care
“Had recent suspension, transmission pan, oil pan work done to 2 of the cars and it's been perfect.”
Automatrix Auto Service Center
“He's always straight with me and tells me exactly what needs to be fixed, how much, and what can be put off until necessary for change.”
Driven
“They are busy so it might take a while to get done but it'll be quality”
Clean Auto
“Needed an urgent tire repair and they fit us in same day.”
Street Performance Auto Service
“He spent much more hours on my vehicle than he firstly assumed and quoted me over the phone.”
Automotive Edge Ltd/ Edge Transmissions Ltd
“Aggie and his mechanics know what should be done and will advise me on what not to waste my money on.”
Ksl Automotive Services
“The Owner Malik is a super genius guy and always offering the most optimized and right solution of customer need.”
Green Lane Auto Service
“Great service 👍professional advice 👍 reasonable price 👍so amazing 👍👍”
Utrust Auto Repair （顺安汽修）
“Been doing some repair at this shop and he knows what he's doing.”
Shab's Auto Service
“My family lives far away from Shabs so it's quite an inconvenience to get there but I simply won't trust any other mechanic to service my cars except him.”
311 Auto Repair
“People working here are professional, genuine, and kind, and even my regular car mechanic praised their work, without me asking his assessment.”
David Auto Service
“From breakdown to being ready to go I was only out of commission for 2 hours thanks to daves help”
Bubby Automotive
“Been going to Bubby Automotive for over 25yrs, very reliable, honest and always finds the root cause of the car problem.”
KVN Auto Service
“The guys are professional and very efficient with a really reasonable price.”
JC Auto Service
“Every time I see him, he's got new insights about cars that are relevant to me, Like technology, and how things like AI are impacting the industry”
Sparkling Auto Svc Co
“We are extremely happy with the service at Sparkling Auto and look forward to working with Richard and his team in the future.”
George's Auto Service
“My family has been using George's services for years, with a wide variety of vehicles.”
Why these companies made our list
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