Hillside Imports
“This was the first time I took this car somewhere outside the dealership and I was pleasantly surprised how good I was treated.”
Best Transmission Repair Shops in Portland, OR
24 mechanics listed · all 24 in Portland · 22 rated 4.5+
Data verified October 16, 2026
Everett Street Autoworks & Mechanics
“I always have a good experience taking my cars to Everett Street.”
Steve's Imports
“In and out for DEQ too, conveniently scheduled and didn't drag out the appointment like you could expect from some mechanics.”
MBI Motors
“It was a pleasant experience overall with knowledgeable staff to answer my questions”
Mac's Automotive & Radiator Repair
“Walter really impressed me with the way he took care of my Mom's car issue.”
AG Automotive
“They dropped my truck off at my house this last time as I was traveling.”
Listed for drivers in and around Portland, OR, these 24 shops work on transmissions. What each one says about rebuilds, warranty terms and the brands it handles comes from its own website; ratings and quotes come from public reviews.
Area overview: Portland, OR
All 24 mechanics we list here are in Portland itself. We have 70 mechanics in Portland on file; this page shows the highest-rated 24. The mechanics on this page are rated from 4.4 to 4.9 across 6,138 reviews; all 24 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (83%), quality (82%) and value (72%). The topics that come up most in reviews of the mechanics on this page are "honest", "communication" and "diagnosis". The services the mechanics on this page list most often on their websites are transmission (3), batteries (2), diagnostics (2), engine repair (2) and oil changes (2). 10 list staff certifications (ASE) and 19 have a BBB rating of A or A+. All 24 have ten or more years of experience, the longest 85 years. 1 offers financing; 2 give free estimates; 6 are family- or locally-owned and 8 list coupons or special offers. We have a website on file for all 24 of the mechanics on this page; 16 publish a contact page; 8 list a public email and 8 take bookings online. We count these figures across the mechanics on this page; hours and prices change, so confirm the details with the mechanic before you visit.
Do years in business matter for transmission work?
Ten or more years in business is claimed by all 24 shops here. Rebuild quality is hands-on skill, and a shop that has been in one place a long time is easier to hold to a warranty. It is what their listings state, not a guarantee.
PDX Automotive
“They also checked the usual things, air filter, tire pressure, windshield wipers and my headlights.”
Affordable Car Doctor
“Took our Hyundai Santa Fe to them today for an oil change.”
Bradshaws Auto Repair
“Recently I have taken two vehicles to Bradshaws Auto Repair and am very satisfied with the repairs.”
Re-Born Automotive
“My experience is that these folks are direct, honest communicators—they let me know what expenses might come up and what can be put off.”
A & P Specialties
“Alan and Paul offer great customer service and their detail under the hood is excellent.”
Wally & Son Automotive
“They are straight forward with you right from the start and let you know what options you have.”
Dane Motors Automotive Repair
“Had a quick and easy inspection here, John is very authentic and funny as hell.”
On the Go Auto Services
“My alternator went out and they had me back on the road in a very timely manner, within a day.”
Hawthorne Auto Clinic
“Then when I arrived Sarah personally jumped in my vehicle with me to make sure we could find the issue (a misfire).”
Mickey's Automotive Services
“Very honest mechanic, they told us the ac didn't need to be serviced and that we needed to change the settings initially that turn them to circulate later when it was colder.”
Gary's Auto Repair LLC
“They have reasonable rates and its situated right by Mt Scott, Happy valley.”
Portland Transmission Warehouse
“The best store we come from the dalles to them " the best"”
St John's Auto Center
“Extremely trustworthy and candid about what is needed and what is not needed for repairs!”
Advanced Transmission & Gear
“They could have seriously overcharged me and kept me waiting but they didn't - they were honest and super helpful.”
K & M Auto Service
“This shop took the time to run a THOROUGH AND PROPER diagnostic to determine using dyes and cleaning the area and found that the leak was in fact NOT the timing cover, and would only cost 530.”
Art
“Also provided a complete health check for the car, estimates for future work, and checked in with us days later to make sure everything was ok.”
Green Drop Garage
“I also spoke with another mechanic over the phone, whose name I regretfully did not catch, but he was super knowledgeable as well and did not rush through answering my questions.”
Autotek International
“Thanks to them I now have a working A/C so I won't melt in my car when the heat comes!”
Why these companies made our list
What customers say about mechanics in Portland
- “My most recent experience, a simple oil change was done promptly and was reasonable, considering the attention to detail Jim and his staff provide to each customer.” — customer of Hawthorne Auto Clinic
- “Their service is friendly, informative, honest and the turn around time has been as promised.” — customer of Steve's Imports
- “I felt respected by the staff and would recommend the top notch service and will be a return customer when needed.” — customer of K & M Auto Service
- “They are friendly and work fast! There is a reason I have been going to them for years and years.” — customer of Re-Born Automotive
- “Both Steve and Greg were so kind and patient with me and even gave me updates on my car.” — customer of Advanced Transmission & Gear
Excerpts from public reviews of the mechanics listed on this page.
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