Oil Changers
“Joseph was very knowledgeable, he verified and double checked everything on my vehicle before I left the facility.”
Best Car Tune-Up in Simi Valley, CA
13 technicians listed · all 13 in Simi Valley · 4 open weekends · 12 rated 4.5+ · 1 shows a license
Data verified October 16, 2026
Perry's Quality Auto Repair
“Ken replaced the alternator on our Acura MDX and did it for a great price and same day repair.”
Powerhouse Performance
“Dave dialed it in with the proper alignment and the jeep runs even better from stock suspension.”
A & D Automotive Inc
“Amazing communication, awesome service, and great pricing is all I've ever gotten from A & D automotive.”
German Auto Specialist
“They are very convenient since they are right down the street from me.”
Shortee's Automotive
“Just started taking my vehicles here and have been very happy with the results.”
Listed for drivers in and around Simi Valley, CA, these 13 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: Simi Valley, CA
All 13 technicians we list here are in Simi Valley itself. We have 14 technicians in Simi Valley on file; this page shows the highest-rated 13. The technicians on this page are rated from 4.4 to 5.0 across 1,502 reviews; 4 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", "fair" and "diagnosis". 4 are open on Saturdays and 1 on Sundays. 1 shows a license on its website; 3 list staff certifications (ASE) and 4 have a BBB rating of A or A+. 11 have ten or more years of experience, the longest 55 years. 2 offer financing; 2 are family- or locally-owned and 3 list coupons or special offers. We have a website on file for 11 of the technicians on this page; 8 publish a contact page; 5 list a public email and 3 take bookings online. We count these figures across the technicians on this page; hours and prices change, so confirm the details with the technician before you visit.
Can I book a tune-up online with shops listed for Simi Valley?
Online booking is offered by 3 of the 13 shops on this page. Put the symptom in the notes rather than picking a service name, because a shop that knows it is chasing a misfire will set aside diagnostic time instead of a quick parts slot.
Bj's Automotive
“It's hard to find an honest place out there and you can tell instantly this is the place you HAVE to head over to for honest and sincere work.”
The German Auto Doctor
“Their reputation preceeds them, would be worth the drive from 30+ miles in any direction.”
Mike Willard Automotive
“Excellent, professional, friendly and fair priced.”
Vehicle Techs Garage
“Great service and knowledgeable people working there”
Cmbuildz LLC
“Chris helped me with a couple mods and did an excellent job.”
Alfredo's Auto Repair
“This guy can fix anything automotive!!!”
M&S Automotive
“Mark is such a great mechanic!”
Why these companies made our list
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