Best Automotive
“The parking lot at the shop is always full because he's earned such a good reputation, but they still manage to get the repairs done quickly and done right.”
Best Truck Repair in Sarnia, ON
12 mechanics listed · 10 in Sarnia · 2 open weekends · 9 rated 4.5+
Data verified October 16, 2026
Xtreme Auto Tech
“He will also let you know what you should look at next if he sees something.”
Sarnia Truck Centre
“Great staff and Lucas knows his stuff and is probably the best employee hands down”
Tandet Nationalease Ltd
“Super friendly service and a service manager you just want to kiss”
Bills Mobile Repair
“I've used these guys a few times and it's always going well.”
White Plain's Autobody & Service Center
“Fast and very good service, plus excellent work.”
Listed for drivers in and around Sarnia, ON, these 12 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: Sarnia, ON
10 of the 12 mechanics we list are based in Sarnia; the other 2 serve Sarnia from Point Edward (8 km) and Petrolia (13 km). 11 of the mechanics on this page have a rating, from 3.9 to 5.0 across 386 reviews; 4 have 50 or more reviews and 9 are rated 4.5 or higher. The topics that come up most in reviews of the mechanics on this page are "price" and "fair". 2 are open on Saturdays. 2 have ten or more years of experience, the longest 30 years. 2 are family- or locally-owned. We have a website on file for 5 of the mechanics on this page; 4 publish a contact page and 4 list a public email. 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 Sarnia?
10 of the 12 shops sit inside Sarnia; 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.
One Stop Automotive
“Awesome, friendly & cooperative staff to work with.”
Lugnutz Truck and Trailer Repair
“I've had lugNutz fix my car many times, always fast and affordable.”
R&J Automotive
“He works on my alternator belt was completed quickly The cost of the repair was low as quoted, and He save my money .”
Twin Bridges Truck & Trailer
Griffin Autotek
“Griffin Auto Tek is the place to take your classic or everyday vehicle the staff at Griffins are Friendly knowledgeable and will take care of all your needs”
Lambton Fleet Maintenance
Why these companies made our list
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