Best Truck Repair in Rancho Cucamonga, CA
17 mechanics listed · all 17 in Rancho Cucamonga · 9 open weekends · 13 rated 4.5+ · 1 shows a license
Data verified October 16, 2026
RV Specialists
Upland Mercedes Repair
Brake Professional
Aamco Transmissions & Total Car Care
The Car Guys RC Asian
Listed for drivers in and around Rancho Cucamonga, CA, these 17 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: Rancho Cucamonga, CA
All 17 mechanics we list here are in Rancho Cucamonga itself. We have 20 mechanics in Rancho Cucamonga on file; this page shows the highest-rated 17. The mechanics on this page are rated from 4.1 to 4.9 across 1,522 reviews; 9 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", "honest" and "fair". 9 are open on Saturdays. 1 shows a license on its website; 1 lists staff certifications (ASE) and 1 has a BBB rating of A or A+. 10 have ten or more years of experience, the longest 41 years. 1 offers financing; 2 are 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; 8 publish a contact page; 4 list a public email and 2 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 Rancho Cucamonga work on Saturdays or Sundays?
9 of the 17 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.
Al & Son's Automotive
Allstar Auto Center
Toyotek
Mad Tech Diesel Workz
V & L Repair
Green Air Diesel Solutions
Rocket Garage
Konnected Auto Koncepts ''custom Suspensions Works''
PC Auto Repair
Scott's Tires
Unibuilt All Automotive Repair
Why these companies made our list
What customers say about mechanics in Rancho Cucamonga
- “Great prices and great service. Trenton communicates very well and kept me informed of the issues he found in my truck and updated on his progress.” — customer of Mad Tech Diesel Workz
- “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
- “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
- “Excellent shop spoke to Trenton and I had a feeling he was honest and very knowledgeable on diesels.” — customer of Mad Tech Diesel Workz
Excerpts from public reviews of the mechanics listed on this page.