Best Truck Repair in Downey, CA
15 mechanics listed · 8 in Downey · 9 open weekends · 11 rated 4.5+
Data verified October 16, 2026
GTS Tires & Auto Service
Diesel-Tune
J & J Auto Repair
B & J Auto Repair Alignment & Transmission
Downey Import and Domestic
Listed for drivers in and around Downey, 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: Downey, CA
Of the 15 mechanics we list here, 8 are in Downey itself and 7 come from towns including Norwalk (1, 4 mi), South Gate (1, 4 mi) and La Mirada (1, 6 mi). The mechanics on this page are rated from 4.2 to 4.9 across 4,769 reviews; 11 have 50 or more reviews and 11 are rated 4.5 or higher. The topics that come up most in reviews of the mechanics on this page are "price", "diagnosis" and "fair". 9 are open on Saturdays and 1 on Sundays. 2 list staff certifications (ASE) and 7 have a BBB rating of A or A+. 11 have ten or more years of experience, the longest 52 years. 4 offer financing; 2 give free estimates; 5 are family- or locally-owned and 8 list coupons or special offers. We have a website on file for 11 of the mechanics on this page; 9 publish a contact page; 7 list a public email and 5 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 Downey work on Saturdays or Sundays?
9 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.