Best Emissions Testing & Smog Check in Saint Louis, MO

The highest-rated Emission Repair Service and Smog Check companies out of 156 vetted & reviewed in the Saint Louis area.

123 Auto

123 Auto

(48)
Brake Repairs, 24-Hour Towing, Diagnostic Center
“I've been to 123 Auto a few times in the past couple years for inspections and other things I'm unable to do myself and have always enjoyed my visit.”
Coupons & Offers
Accepts All Major Credit Cards
In Business Since 2014
Licensed, BBB Rating: A+
8517 Gravois Rd, St. Louis, MO
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Columbia Auto Repair

Columbia Auto Repair

(45)
“(That's also my dad's name btw) I read the reviews prior to calling and his attention to detail as well as responsiveness to reviews was one of the main reasons I trusted him with a diagnostic on my BMW.”
Coupons & Offers
Accepts All Major Credit Cards
In Business Since 1946
Licensed, BBB Rating: A+
5335 Southwest Ave, St. Louis, MO
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Emge's Carcraft Automotive Repair.

Emge's Carcraft Automotive Repair.

(49)
  • Honest
  • Job
  • Car Service
“Got me in and done right away, I told them I needed a filter per other oil places and assured me he would look at it and see if it needs changed because other places just try to sell you one without needing it.”
Family Business
Accepts All Major Credit Cards
In Business Since 1990
Licensed, BBB Rating: A+
6235 Gravois Ave, St. Louis, MO
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Auto Evaluators

Auto Evaluators

(44)
Diesel Fuel
“It did not feel like purchasing from a dealer as it was a zero pressure sale with no mystery fees (they apologized that they had to charge the min $200 dealer fee--where other dealers told me they had to charge $500).”
Offers Financing Options
Family Business
Coupons & Offers
Accepts All Major Credit Cards
Auto Evaluators Inc, 7721 Watson Rd, St. Louis, MO
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Franklin Specialist-Nissan

Franklin Specialist-Nissan

(48)
  • CVT
  • Job
  • Transmission Fluid
“This is a very in demand and busy shop, so don't get discouraged if you can't have your car looked at immediately (there's a reason he's always slammed- because he does great work).”
Accepts All Major Credit Cards
In Business Since 1989
Licensed, BBB Rating: A+
6703 Arsenal St, St. Louis, MO
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Sant Automotive

Sant Automotive

(50)
Brakes Repair, Transmission, Engine Work & Repair
“) and they were able to get me in for a diagnostic last minute, the day before thanksgiving of all days, when no one else would even answer their phones, and treated me with genuine friendliness.”
In Business Since 2006
ASE Certified
8720 Watson Rd, St. Louis, MO
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Certified Motor Co

Certified Motor Co

(42)
“Positive Punctuality, Quality, Professionalism, Value Services Tires, Steering & suspension repair, General repairs & maintenance, Auto engine diagnostic, Engine repair, Wheel alignment, Oil change”
Accepts All Major Credit Cards
In Business Since 1957
Licensed, BBB Rating: A+
9700 Diamond Dr, St. Louis, MO
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Royal Auto Repair

Royal Auto Repair

(42)
  • Money
  • Price
  • Mechanic
“They were out of the item I brought up to the counter to purchase so they gave me the upgraded model for the same price as the item I selected without me even asking.”
Accepts All Major Credit Cards
In Business Since 1985
Licensed, BBB Rating: A+
501 N Spring Ave, St. Louis, MO
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Nat Automotive

Nat Automotive

(44)
“This is the a place to go to have your vehicle worked on and or to purchase a vehicle finding an honest mechanic is like finding a needle in a haystack !”
In Business Since 2016
Licensed, BBB Rating: A+
3127 Minnesota Ave, St. Louis, MO
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Rischbieter's Automotive Inc

Rischbieter's Automotive Inc

(50)
  • Work
  • Honest
  • Dealership
“Trusted mechanics that provide quality work at a reasonable price with integrity, not recommending work that is unnecessary just to do it (as I have experience elsewhere).”
Family Business
In Business Since 1944
Accepts All Major Credit Cards
7750 Watson Rd, St. Louis, MO
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King Auto Repair

King Auto Repair

(43)
“I have patronized this place 3 times and let me explain something: The first time that I have utilized this place, I had my light bar plus my underneath lights installed.”
Licensed, BBB Rating: A+
1010 Kingshighway Blvd, St. Louis, MO
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I-70 Performance

I-70 Performance

(42)
“Always helpful, excellent service.”
Accepts All Major Credit Cards
In Business Since 1993
Licensed, BBB Rating: A+
4646 Bircher Blvd, St. Louis, MO
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Big Bend Automotive

Big Bend Automotive

(31)
  • Price
  • Mechanic
“They did a great job by fixing my car very quick, their service is very good and I liked their work hours because that made so easy for me to drop/pick my car off even after work.”
In Business Since 2024
2804 S Big Bend Blvd, St. Louis, MO
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Star 1 Auto

Star 1 Auto

(48)
  • Tire
  • Fair
  • Owner
“I'm very satisfied everytime I leave a vehicle with them they're fast reliable with great prices I haven't had a problem they couldn't fix Services Tires, General repairs & maintenance, Auto engine diagnostic, Auto brake repair, Tire rotations, Brak...”
5401 Chippewa St, St. Louis, MO
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C & K Auto Repair

C & K Auto Repair

(38)
  • Vehicles
  • Inspection
  • Price
“The only place I will take my car to they are reasonable and they are always nice best customer service and they are around the corner for me it's nice I can drop the car off and wait at home for it”
In Business Since 2002
9406 S Broadway, St. Louis, MO
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Saint Louis Hills Auto Service

Saint Louis Hills Auto Service

(47)
  • Stars
  • Money
  • Honest
“Michelle & Eric are so honest -- Michelle walks me through everything & they typically tell me why I don't need to replace something/when I should expect to do that.”
In Business Since 2016
5300 Hampton Ave, St. Louis, MO
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Everything Automotive

Everything Automotive

(47)
  • Chevy
  • Work
  • Quotes
“I've had lots of bad luck with car shops and Ted and his crew here went above and beyond to help me with not only diagnostics and repairs but also explain any issues.”
In Business Since 2020
Accepts All Major Credit Cards
4840 Oleatha Ave, St. Louis, MO
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John Zeisler Automotive

John Zeisler Automotive

(17)
  • Prices
  • Mechanic
“If you come in with a multitude of car issues but a limited budget, he'll outline what is critical (even if it's not the priciest or most profitable item) and what can wait, or what can be done cheaper.”
Accepts All Major Credit Cards
In Business Since 1992
Licensed, BBB Rating: A
7000 W Florissant Ave, St. Louis, MO
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Inspection Station Only

Inspection Station Only

(45)
“I had tried to get an emissions inspection at other places and was being told I'd have to wait hours, would need to make an appointment for the following week, or that I'd need to leave my car for the entire day.”
In Business Since 2006
Accepts Cash only
3601 S Broadway S, St. Louis, MO
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Tee's Total Car Care Center

Tee's Total Car Care Center

(43)
“Fast and great customer service”
In Business Since 1984
Accepts All Major Credit Cards
6767 St Charles Rock Rd, St. Louis, MO
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Sal's Auto Care & Detail

Sal's Auto Care & Detail

(42)
“Anyway, I had an even worse rust problem this time and if you're familiar with 2000-2006 Chevy Suburban or Tahoe, they rust along the bottom rear quarter panels and rear door areas.”
In Business Since 2010
4474 Chippewa St, St. Louis, MO
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Bayless Tire & Auto

Bayless Tire & Auto

(41)
“It's true that you might be able to find another guy to do it cheaper, but you may not have the same level of honesty and expertise going anywhere else.”
In Business Since 2002
Accepts All Major Credit Cards
644 Union Rd, St. Louis, MO
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Chambers Auto Repair

Chambers Auto Repair

(16)
  • Price
  • Mechanic
“Frank Chambers is a honest hard working mechanic with fair prices and reliable work has worked on multiple vehicles for me and has only worked on one more than once showing that once he fixes it it's just that fixed”
In Business Since 2002
Licensed, BBB Rating: A+
9730 Halls Ferry Road, St. Louis, MO
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Boyd A-1 Auto Repair

Boyd A-1 Auto Repair

(33)
“Good work, quick!”
In Business Since 2006
3780 W Florissant Ave, St. Louis, MO
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Why these companies made our list

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