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24 mechanics listed · 20 in Rancho Cucamonga · 13 open weekends · 20 rated 4.5+ · 1 shows a license
Data verified October 16, 2026
Listed for drivers in and around Rancho Cucamonga, 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.
Of the 24 mechanics we list here, 20 are in Rancho Cucamonga itself and 4 come from Pomona (3, 12 mi) and Westminster (1, 36 mi). The mechanics on this page are rated from 4.1 to 5.0 across 1,553 reviews; 10 have 50 or more reviews and 20 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise quality (92%), professionalism (88%) and value (77%). The topics that come up most in reviews of the mechanics on this page are "honest", "fair" and "communication". 13 are open on Saturdays. 1 shows a license on its website; 1 lists staff certifications (ASE) and 4 have a BBB rating of A or A+. 14 have ten or more years of experience, the longest 41 years. 2 offer financing; 1 is family- or locally-owned and 3 list coupons or special offers. We have a website on file for 11 of the mechanics on this page; 9 publish a contact page; 4 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.
13 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.
- “They did amazing work on my truck, in and out in one day and I'm very happy with the result.” — customer of Al & Son's Automotive
- “I am driving my truck now, and they did such a good job that the truck runs very smooth.” — customer of Bertino Automotive
- “Had to have 5 injectors replaced. My truck was taken care of asap and in top shape truly grateful.” — customer of Rapid Diesel Repair
- “When I went, everyone was professional and the work they did to my truck was just as great.” — customer of Konnected Auto Koncepts ''custom Suspensions Works''
- “I highly recommend Reliable Smog. Thank you for getting my truck going.” — customer of Reliable Smog Saint Anthony Complete Auto Care
Excerpts from public reviews of the mechanics listed on this page.
