Tomlin Knight Auto Service
“Chris was very patient and professional throughout the whole process and they will be the only shop that works on my Porsche going forward.”
Best Truck Repair in Oshawa, ON
15 mechanics listed · 14 in Oshawa · 3 open weekends · 14 rated 4.5+
Data verified October 16, 2026
Apex Auto Centre
“Very nice customer service I recommend apex auto centre for servicing your car thank you 😊 …”
Gilmour's Automotive Repair
“They tell you exactly what is needed and when it is needed.”
Kp's Auto Service
“This guy knows his business when it comes to cars are knowledgeable good prices and helpful”
Quality Truck Repair Inc
“Fantastic service had an issue with my truck gave them a call showed up they looked after me immediately and efficiently couldn't ask for better people”
Dundas Motors
“Would highly recommend if looking for a mechanic”
Listed for drivers in and around Oshawa, 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: Oshawa, ON
14 of the 15 mechanics we list are based in Oshawa; the other one serves Oshawa from Whitby (8 km). The mechanics on this page are rated from 4.4 to 5.0 across 1,027 reviews; 7 have 50 or more reviews and 14 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (85%), quality (85%) and value (75%). The topics that come up most in reviews of the mechanics on this page are "diagnosis", "fair" and "honest". 3 are open on Saturdays. 3 have ten or more years of experience, the longest 22 years. 1 offers financing; 1 gives free estimates and 2 list coupons or special offers. We have a website on file for 5 of the mechanics on this page; 4 publish a contact page; 2 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 Oshawa?
14 of the 15 shops sit inside Oshawa; 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.
Sunshine Auto Repair
“I will give Sunny his roses as he has gone up and above of All my expectations and has delivered a superior product that cannot be measured or compared to any other shop who would like to earn my business”
Richmond's Auto Service
“Dean takes the time to explain what needs to be done on the vehicle and why.”
Babai Auto Repair Centre
“John identified the issue correctly and informed me the details of the replacement part, the leak detection pump.”
Classic Auto Repair
“Nick and Tony are easy to talk to, explain the problem and fix it stress free and the cost is reasonable.”
Barrie Radiator (Oshawa)
“He got it in to look at quickly, did a recharge and got it blowing nice and cold.”
Al's Automotive
“He always does a wonderful job and takes extra special care of his customers.”
NEW Midwest Auto Collision
“Towed my car in, when the starter stopped working, they were very quick and fair price.”
Overtime Automotive
“Very knowledgeable, reliable and excellent customer service.”
Driveline Whitby
“I tell you anyone who is having drive line problems,take your vehicle here 1st!”
Why these companies made our list
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