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24 technicians listed · 16 in St. Charles · 6 open weekends · 18 rated 4.5+ · 1 shows a license
Data verified October 19, 2026
Listed for drivers in and around St. Charles, MO, these 24 shops handle tune-up work and running faults. What each one says about diagnostics, warranties and service specials comes from its own website; ratings and quotes come from public reviews.
Of the 24 technicians we list here, 16 are in St. Charles itself and 8 come from towns including St. Louis (4, 18 mi), St. Peters (1, 5 mi) and Bridgeton (1, 6 mi). The technicians on this page are rated from 3.8 to 5.0 across 2,065 reviews; 12 have 50 or more reviews and 18 are rated 4.5 or higher. When customers rate these technicians on specific qualities, they most often praise professionalism (89%), quality (89%) and value (75%). The topics that come up most in reviews of the technicians on this page are "diagnosis", "fair" and "honest". 6 are open on Saturdays. 1 shows a license on its website; 5 list staff certifications (ASE) and 10 have a BBB rating of A or A+. Domain records put 8 websites of the technicians on this page at ten or more years old; the oldest dates from 2002. 2 offer financing; 1 gives free estimates; 6 are family- or locally-owned and 6 list coupons or special offers. We count these figures across the technicians on this page; distances are straight-line, and hours and prices change, so confirm the details with the technician before you visit.
6 of the 24 shops here show Saturday or Sunday hours. Plugs and filters fit neatly into a Saturday. A chase for an intermittent misfire does not, since it can need the car overnight to catch the fault happening from cold.
