Mobile Mechanic Pros Ontario
“They were super helpful and fast to get my AC running properly.”
Best Truck Repair in Ontario, CA
24 mechanics listed · all 24 in Ontario · 1 open 24/7 · 16 open weekends · 21 rated 4.5+
Data verified October 16, 2026
Lupe's Auto
“They just did my brakes, oil changes, and even replaced a radiator, and every repair has been completed quickly without a problem”
Comtires
“It's just 4 tires replacement… but the experience was pleasant, right on time with appointment, so far no pulsations or vibrations, no scratches on rims, clean lobby and restroom .”
Rapid Diesel Repair
“Honest and reliable service, definitely my go to shop for future maintenance and repairs!”
Basic Auto Repair
“An honest and genuine mechanic business who truly cares about its customers.”
C & C Automotive
“I thought it was a fair price and they offer an excellent guarantee on their repairs.”
Listed for drivers in and around Ontario, CA, these 24 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: Ontario, CA
All 24 mechanics we list here are in Ontario itself. We have 33 mechanics in Ontario on file; this page shows the highest-rated 24. The mechanics on this page are rated from 3.9 to 4.9 across 2,643 reviews; 13 have 50 or more reviews and 21 are rated 4.5 or higher. The topics that come up most in reviews of the mechanics on this page are "price", "communication" and "honest". 1 is open around the clock; 16 are open on Saturdays and 1 on Sundays. 2 list staff certifications (ASE) and 7 have a BBB rating of A or A+. Domain records put 8 websites of the mechanics on this page at ten or more years old; the oldest dates from 2011. 1 offers emergency or roadside call-outs; 2 offer 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 mechanics on this page; 9 publish a contact page; 3 list a public email and 3 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.
Which truck shops listed for Ontario work on Saturdays or Sundays?
16 of the 24 shops on this page run a weekend shift. Weekend slots are how a lot of fleets get preventive maintenance done without losing a working day, so they book out early. Parts counters keep shorter hours, which is the usual reason a Saturday job waits until Monday.
Brian's Automotive Repair
“They are easy to work with, they get your vehicle in and out quickly, and they do great work.”
Central Auto Repair & Mufflers
“Just had my mom's 1999 Toyota Corolla done here the owner was very professional I got this job done quick I'm replacing the cat converter”
Tap Automotive
“I had an issue with my car and the mechanic, Martin, helped me resolve my problem.”
Buddy's V Tires
“From the first phone call with Angelica who answered and made an appointment to Junior who worked on our car.”
Menas Brake & Suspension
“Sergio is a trustworthy mechanic, I am always satisfied with his work coming here for many years I highly recommend him”
Southern Cal Wheel Repair
“They thoroughly checked the wheel for cracks, leaks, and balanced it before mounting it back onto my car, all after painting the damaged area.”
Speedway Transmissions
“Very nice people knowledgeable and honest and very fair I would recommend this place if you need work on a car”
Motorinn Genuine Auto Care LLC
“I know they are new to this area but I recommend them because they are friendly and most importantly they provide good service and are very honest 🤩 …”
Baja Auto Center Smog & Lamp
“Tony says he'll look at it and after he looks at it, more often than not, he'll tell me the service isn't needed.”
J and C Auto Repair
“I love this place it has a great customer service the labor rates are low and the guy Byron there is awesome”
I.E Automotive
“Everyone is so attentive and patient!”
ATI Commercial Truck & Trailer Repair
“Amazing service very fast thank you”
N
“Family-owned business very knowledgeable if you for whatever reason have a l&g CNG propane vehicle this is the place to take it”
THE DPF Shop
“Great service and great prices very prompt fixed our tarps and does all our maintenence gets the job well and informs us of anything that needs to be done highly recommend”
RC Auto Repair
“This is my go to place for oil change or brakes done on my car very honest people and very reasonable prices, very happy with work that they do.”
Edrs Incorporated
Roger's Carburetor
“It's a friendly people and honest it's good to work with this shop.”
Tuned Performance
“Jose He'll definitely get any job done been taking my stuff there for over 10 years great work and great guy electrical motors you name it I recommend his work”
Why these companies made our list
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