Best Car Inspection & Emissions Testing in St. Louis, MO
24 stations listed · all 24 in St. Louis · 12 open weekends · 17 rated 4.5+
Data verified October 19, 2026
123 Auto
Emge's Carcraft Automotive Repair.
- Honest
- Job
- Car Service
Auto Evaluators
- Fair
- Diagnosed
- Used Car
Franklin Specialist-Nissan
- CVT
- Job
- Transmission Fluid
Sant Automotive
- Tires
- The Future
- Inspection
Listed for drivers in and around St. Louis, MO, these 24 shops carry out emissions and inspection work. What each one says about its station license, hours and retest policy comes from its own website; ratings and quotes come from public reviews.

Area overview: St. Louis, MO
All 24 stations we list here are in St. Louis itself. We have 36 stations in St. Louis on file; this page shows the highest-rated 24. The stations on this page are rated from 4.2 to 5.0 across 3,156 reviews; 19 have 50 or more reviews and 17 are rated 4.5 or higher. When customers rate these stations on specific qualities, they most often praise professionalism (88%), quality (82%) and value (76%). The topics that come up most in reviews of the stations on this page are "honest", "diagnosis" and "fair". 12 are open on Saturdays. 2 list staff certifications (ASE) and 13 have a BBB rating of A or A+. Domain records put 4 websites of the stations on this page at ten or more years old; the oldest dates from 1998. 1 offers financing; 3 are family- or locally-owned and 3 list coupons or special offers. We have a website on file for 10 of the stations on this page; 6 publish a contact page; 2 list a public email and 2 take bookings online. We count these figures across the stations on this page; hours and prices change, so confirm the details with the station before you visit.
Which shops listed for St. Louis test on Saturdays or Sundays?
Weekend testing is on offer at 12 of the 24 shops. Bear in mind that a failure on a Saturday usually waits for parts on Monday, which is an argument for testing midweek if you can.
Certified Motor Co
Rischbieter's Automotive Inc
- Work
- Honest
- Dealership
Nat Automotive
King Auto Repair
I-70 Performance
Big Bend Automotive
- Price
- Mechanic
Star 1 Auto
- Tire
- Fair
- Owner
John Zeisler Automotive
- Prices
- Mechanic
Everything Automotive
- Chevy
- Work
- Quotes
Saint Louis Hills Auto Service
- Stars
- Money
- Honest
Inspection Station Only
Tee's Total Car Care Center
Sal's Auto Care & Detail
Bayless Tire & Auto
Chambers Auto Repair
- Price
- Mechanic
J & J Cylinder Head and Auto Repair
- Mechanic
Boyd A-1 Auto Repair
Auto Tech Automotive
Why these companies made our list
What customers say about stations in St. Louis
- “I-70 handled my emissions and safety inspections. Workers were friendly and had me in and out at a reasonable time.” — customer of I-70 Performance
- “I feel that I can trust them and have confidence my car will be fixed the first time.” — customer of Auto Evaluators
- “Super fast, friendly and easy. I was in and out within minutes.” — customer of Inspection Station Only
- “Excellent customer service. I was expecting to drop my car off for the emissions test but they were able to do it right away.” — customer of Columbia Auto Repair
- “Alex was really such a great help. He managed to squeeze me in for emissions testing accommodating my schedule & allowing me to finish registering my car all in one day.” — customer of 123 Auto
Excerpts from public reviews of the stations listed on this page.