Sparks Tire & Auto
“Great place to have your vehicles worked on, they do exactly what they say they are going to do.”
Best Mechanic Shops in St. Charles, MO
24 technicians listed · 11 in St. Charles · 2 open weekends · 21 rated 4.5+
Data verified October 19, 2026
Coffey Automotive
“Eric looked the car over and after over an hour and half, came back with a very detailed recommendation.”
Roy's Garage LLC
“I highly recommend them based on their excellent consistent customer service and quality work.”
Kar Tech
“Randy and the staff at Kar Tech were very professional and provided a thorough explanation of the problem with my car.”
Duncan Transmission
“Mike was very Knowledgeable & communicated with me about everything will Highly recommend them again.”
LPS Motorwerks
“He's a very personable guy and was upfront with any issues needed to be addressed or not.”
Listed for drivers in and around St. Charles, MO, these 24 shops are general mechanics. What each one states about certifications, warranties and financing comes from its own website; ratings and quotes come from public reviews.
Area overview: St. Charles, MO
Of the 24 technicians we list here, 11 are in St. Charles itself and 13 come from towns including St. Peters (3, 5 mi), Bridgeton (2, 5 mi) and O'Fallon (2, 11 mi). The technicians on this page are rated from 3.8 to 5.0 across 4,664 reviews; 16 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these technicians on specific qualities, they most often praise professionalism (90%), quality (87%) and value (80%). The topics that come up most in reviews of the technicians on this page are "diagnosis", "estimates" and "fair". 2 are open on Saturdays. 3 list staff certifications (ASE) and 14 have a BBB rating of A or A+. Domain records put 16 websites of the technicians on this page at ten or more years old; the oldest dates from 2000. 5 offer financing; 8 are family- or locally-owned and 11 list coupons or special offers. We have a website on file for 22 of the technicians on this page; 19 publish a contact page; 8 list a public email and 4 take bookings online. 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.
Why are some shops on this page not in St. Charles?
11 of the 24 shops are located in St. Charles; the rest come from other towns within 20 mi. Distances are straight-line.
CAL Automotive
“Do yourself a favor and look no further than CAL Auto for your auto repair and maintenance needs!”
Gmflash.com
“Owner called directly to explain what exactly was being done to unit and to make sure return address was up to date.”
Stiegemeier Porting Services
“3L whipple supercharger and they got it back to me within 2 weeks.”
Craigs Customs
“On my wife's 1932 Phaetons Ford Street Rod they converted the front drums brakes to disc brakes and again they did an excellent job.”
Waterson Motorsports
“I went back and got my truck and they fixed the problem that was plagued me with it and fast and friendly.”
Missouri Auto
“If you want a quality, and at a fair price, look no further than here.”
Olympia Auto & Tire
“Been a customer for about 5 years or so bring all my cars here for my automotive needs and will keep coming back.”
Western Tire & Auto
“I lost faith in dealership work and I feel my truck is in good hands here”
Len's Auto Repair
“They got to my vehicle before the weekend and called early in the morning to notify me that it was just a loose caliper bolt.”
Autos
“First time here, Jeff was communicative and detail oriented on what was going on with my car.”
Big Bend Auto Center
“I highly recommend them to anyone seeking repairs done right by very honest and trustworthy people”
United Car Care Center
“Scott and Alex were able to get a last minute safety inspection done for me, saving my weekend plans.”
Master's Touch Automobile
“Thank you for the great service!”
Sigmund Auto Service
“This is my 3rd or 4th appt I've had here, and each time they have proven to me that they care more about the customer, and doing what's best for me instead of making money off sales.”
A.M. Clark Auto Repair
“I hate to risk overcrowding this place with people seeing good reviews, but this is the best autoshop ever.”
Franklin Specialist-Nissan
“They are a great team and very nice”
Gary's Auto Service
“Wonderful service and excellent customer service”
Hood's Automotive
“Customer service is great and the facility itself is very clean and maintained.”
Why these companies made our list
What customers say about technicians in St. Charles
- “Very professional, courteous and honest. Thorough inspection of my vehicle telling me what required attention now and what could wait.” — customer of Sparks Tire & Auto
- “They treat you like family. This is the place to take your vehicle for the expertise it requires.” — customer of LPS Motorwerks
- “Reasonable pricing and good customer service. Coffey Automotive is my new go to mechanic.” — customer of Coffey Automotive
- “Would recommend to friends who are in need of a skilled mechanic.” — customer of Kar Tech
- “I was even more pleased as they completed the work in a timely manner and got the vehicle back up to more than satisfactory standards.” — customer of LPS Motorwerks
Excerpts from public reviews of the technicians listed on this page.
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