Millar Motors Auto Repair
“It was hard to choose because the cars I test drove were all in great condition with great mileage but I found the gem that I was looking for at a fair price.”
Best Truck Repair near St. Thomas, ON
2 of these mechanics are based in St. Thomas; the others serve St. Thomas from London (24 km), Aylmer (16 km) and Belmont (14 km).
1 open 24/7 · 6 open weekends · 13 rated 4.5+
Data verified October 16, 2026
Rob Gillies Truck & Auto
“If you want a mechanic who is fair and reasonable, make sure to stop by Rob Gillies!!”
VIP Napa Auto PRO
“Dan and Ang always provide trust worthy, professional and friendly service with great communication and quality service.”
The Kar Doctor AKA KD Automotive Inc
“Very transparent and helpful, definitely suggest using them for your car maintenance needs.”
M RIK Automotive Werks LTD
“Highly recommended this shop stop by & get your vehicle fixed at low price in town”
London Drive Systems
“Excellent staff, go out of their way to help you, and make sure everything is working.”
Listed for drivers in and around St. Thomas, ON, these 15 shops work on medium and heavy duty trucks. What each one says about fleet accounts, road service, inspections and hours comes from its own website; ratings and quotes come from public reviews.
Area overview: St. Thomas, ON
The 15 mechanics on this page are rated from 4.3 to 5.0 across 2,514 reviews; 6 have 50 or more reviews and 13 are rated 4.5 or higher. The topics that come up most in reviews of the mechanics on this page are "price" and "fair". 1 is open around the clock; 6 are open on Saturdays and 1 on Sundays. 3 have ten or more years of experience, the longest 30 years. 1 offers emergency or roadside call-outs; 1 offers financing; 1 gives free estimates; 1 is family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 13 of the mechanics on this page; 7 publish a contact page; 5 list a public email and 1 takes bookings online. We count these figures across the mechanics on this page; distances are straight-line, and hours and prices change, so confirm the details with the mechanic before you visit.
Why does this page include shops beyond St. Thomas?
2 of the 15 shops sit inside St. Thomas; the rest come from other towns. Truck shops need land, long approaches and highway access, so they end up on the edge of town. Drivers already plan around that.
Dave's Truck & Auto Inc.
“Luckily it was an easy fix (my tire just needed to be retorqued and tightened) but Tina and Dave were so kind and helpful in getting me back on the road in a moments notice.”
Adelaide Motors Sales & Repairs Inc
“I had an emergency the day before they officially opened and they stayed until well into the night getting my truck running again.”
London Custom Truck & Car Repair Inc
“London Custom Truck does amazing quality work.”
Wiltsie Truck Bodies Ltd
“They have always gone the extra mile to help out and do or make what you need to get back up and running”
Allewell Truck and Trailer
“Amazing service had me back on the road in two hours for a water pump replacement.”
Blueking Truck and Trailer Repairs Inc.
“I would recommend this company for their great customer service, timely manner, fair price and going above and beyond helping our trucking company with all repairs at all times.”
Maximum Diesel
“Very professional and hard working, by far offers the best service around at a fair price!”
Bud's Garage
“We are fortunate to have a local garage in our small community that offers great service and competitive pricing.”
Mitryk Services
“New to owning a diesel and the Mitryk team has been absolutely amazing to deal with”
Why these companies made our list
Is this page useful? Yes
No
Is there anything wrong with this page?
