Best Truck Repair in Rialto, CA
15 mechanics listed · 11 in Rialto · 10 open weekends · 11 rated 4.5+
Data verified October 16, 2026
Marquez Truck Repair Inc
GST Auto Service Technicians
Smog & Tune Technicians
Bob's Auto Services
Landa's Automotive Repair
Listed for drivers in and around Rialto, CA, 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: Rialto, CA
Of the 15 mechanics we list here, 11 are in Rialto itself and 4 come from Fontana (2, 4 mi) and San Bernardino (2, 6 mi). The mechanics on this page are rated from 4.1 to 4.9 across 1,440 reviews; 7 have 50 or more reviews and 11 are rated 4.5 or higher. 10 are open on Saturdays. 2 list staff certifications (ASE) and 5 have a BBB rating of A or A+. 8 have ten or more years of experience, the longest 40 years. 1 offers financing; 1 gives free estimates; 3 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for 6 of the mechanics on this page; 5 publish a contact page; 2 list a public email and 2 take 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.
Which truck shops listed for Rialto work on Saturdays or Sundays?
10 of the 15 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.