Key Nissan Service
“Seems that I've been relying on Key Nissan Service for about ten years now; have received nothing but top notch service and results.”
Best Car Inspection & Emissions Testing in Santa Ana, CA
19 stations listed · all 19 in Santa Ana · 15 open weekends · 17 rated 4.5+
Data verified October 16, 2026
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BMB Rhinetrade Inc. German Auto Repair
“This shop has been in his family for generations and it shows, they take pride in their work and their prices are extremely fair.”
CAL Auto Service
“I took a used car in from a local lot for a PPI and CAL Auto saved me from making a big mistake by purchasing the car!”
Saddleback Automotive Service Center
“I have a 1989 Bronco 2 and Saddleback Automotive has continued to keep it in the best condition since the day I bought it.”
Manny's Auto Repair
“They work fast, work with you, and make sure you understand what you are paying for and assist in making it affordable.”
Hot Wire Auto Electric Repair
“They are reasonably priced and did an awesome job on are work truck”
Listed for drivers in and around Santa Ana, CA, these 19 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: Santa Ana, CA
All 19 stations we list here are in Santa Ana itself. We have 65 stations in Santa Ana on file; this page shows the highest-rated 19. The stations on this page are rated from 4.4 to 5.0 across 2,570 reviews; 17 have 50 or more reviews and 17 are rated 4.5 or higher. The topics that come up most in reviews of the stations on this page are "price", "honest" and "diagnosis". 15 are open on Saturdays and 2 on Sundays. 2 list staff certifications (ASE) and 5 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 2010. 2 give free estimates; 1 is family- or locally-owned and 3 list coupons or special offers. We have a website on file for 15 of the stations on this page; 9 publish a contact page; 4 list a public email and 1 takes 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 Santa Ana test on Saturdays or Sundays?
Weekend testing is on offer at 15 of the 19 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.
Santa Ana Smog Repair Inc
“Jerry is one of the most honest and respected mechanics I've gone to for the last 5 years.”
Beemer & Benz Inc
“Total professional, all the mechanics are excellent at whattheydo, easy to understand and speak to plus they're cool, honest and down to earth.”
Autocare Express
“You will not find a more honest and reliable auto repair shop anywhere if you need any kind of auto work done this is the place to go!!!!!!”
Star OC Auto
“I was able to get my radiator and thermostat replaced at very reasonable price.”
Santa Fe Auto Repair
“I'm so pleased with this shop I won't take my car anywhere else.”
Ace Smog Test Only Center
“They go above and beyond to making sure they take care of your vehicle and get your smog situation taken care of properly.”
Nava's Auto Service
“Definitely would recommend this place to any one looking for some work.”
EZ Auto Smog Check
“Nam helped me get my smog check here, he took only 15 minutes and was very friendly!”
HN Auto Repair
“Naira was very attentive to everything in regards to the insurance she took care of everything for me which made everything very stress free.”
Daytona Automotive
“Renny is always so helpful and friendly and they always do great work at a great price.”
Ramos Tires & Auto Repair
“Always good service, good prices they know what to do right away so I don't have to worry about it...”
Contreras Auto Repair
“Best mechanic shop in Orange County, got some troubles with my Mini Cooper and now it runs so perfectly, i moved in USA 8 months ago so it was really hard to find a good one when we know nobody.”
Mo's Garage
“He and Juan were thorough, and communicated any issues they found with in- depth quotes before doing any work at all.”
Why these companies made our list
What customers say about stations in Santa Ana
- “Quick, simple, and affordable smog check service on a Thursday morning; I was in and out in under 20 mins with the smog inspection certificate in hand.” — customer of EZ Auto Smog Check
- “I highly recommend Santa Ana Smog to anyone looking for honest, dependable automotive care.” — customer of Santa Ana Smog Repair Inc
- “Had a smog done here yesterday- the guys here were knowledgeable and friendly.” — customer of Ace Smog Test Only Center
- “Excellent service for a fair price. Excellent value if you value honesty and great service.” — customer of CAL Auto Service
- “The smog check is reasonably priced at $50 for my car and it was so quick and painless.” — customer of EZ Auto Smog Check
Excerpts from public reviews of the stations listed on this page.
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