Best Smog Station and Auto Repair
“In and out in 10 min and they even filled up my tires.”
Best Car Tune-Up in National City, CA
15 technicians listed · 11 in National City · 8 open weekends · 12 rated 4.5+
Data verified October 16, 2026
The Mustang Shop
“Took my '65 Fastback in there for various service items and the service was 5 star.”
MCI Auto Repair
“Had a popped tired this morning, called just as it opened, Carlos came to the scene got me on the road while he searched for adequate tire for my car.”
Underground Autowerks Inc.
“Tim is the only kind, honest, and knowledgeable mechanic who didn't tell me to change my 2011 Countryman's engine.”
Lextek
“I had neglected some routine maintenance, but Monty was straightforward, explained what was needed, and helped get the vehicle back on track by replacing additional items due per the maintenance schedule.”
Westcott Mazda Service
“Jose is amazing, always in touch and updating me with my car.”
Listed for drivers in and around National City, CA, these 15 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.
Area overview: National City, CA
Of the 15 technicians we list here, 11 are in National City itself and 4 come from San Diego (2, 12 mi), Chula Vista (1, 6 mi) and La Mesa (1, 9 mi). The technicians on this page are rated from 4.1 to 5.0 across 1,344 reviews; 7 have 50 or more reviews and 12 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price" and "attention to detail". 8 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 7 websites of the technicians on this page at ten or more years old; the oldest dates from 2009. 1 offers financing; 2 are family- or locally-owned and 3 list coupons or special offers. We have a website on file for 9 of the technicians on this page; 9 publish a contact page; 6 list a public email and 3 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.
Which shops listed for National City open on Saturdays or Sundays?
8 of the 15 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.
Highland Service
“Excellent service as usual for a smog check.”
07 Auto Repair
“Pedro is the best and the MOST caring mechanic I've ever had the pleasure of dealing with.”
Charlies Auto Repair
“He really knows what he is doing and gives the best pricing in town.”
All-Pro Auto Repair
“Whenever my car has issues, I always bring it here and they always fix it at a good price plus they have good customer service”
Steering Column Repair & Supplies
“Repaired my 2009 Ford Escape at 1/3 of dealership quote, thanks!!”
Domex Customs
Super Tires
“I took it to Super Tires during lunch and Justin took care of my tire replacement and I was in and out in under 20 minutes.”
La Mesa Automotive-n-Alignment
“Professional, Great customer service, on top knowledgable technicians that do honest work.”
A Street Auto Service
“Whenever my car goes wrong again they'll always be my 1st choice”
Why these companies made our list
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