Best Transmission Repair Shops in Portland, ME
15 mechanics listed · 5 in Portland · 1 open weekends · 14 rated 4.5+
Data verified October 16, 2026
Aamco Transmissions & Total Car Care
Auto Care LLC
Masters Auto Repair
Reality Motors
Lou's Auto Repair
Listed for drivers in and around Portland, ME, these 15 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, ME
Of the 15 mechanics we list here, 5 are in Portland itself and 10 come from towns including Buxton (3, 13 mi), Windham (2, 10 mi) and South Portland (1, 3 mi). The mechanics on this page are rated from 4.2 to 5.0 across 926 reviews; 9 have 50 or more reviews and 14 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (95%), quality (86%) and value (86%). The topics that come up most in reviews of the mechanics on this page are "fair", "communication" and "diagnosis". 1 is open on Saturdays. 1 lists staff certifications (ASE) and 3 have a BBB rating of A or A+. 6 have ten or more years of experience, the longest 60 years. 1 offers financing; 1 is family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 4 of the mechanics on this page; 2 publish a contact page and 1 takes bookings online. We count these figures across the mechanics on this page; distances are straight-line, and 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 6 of the 15 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.
Kars Service Inc
Black Point Auto & Towing
Route 22 Service Center
Probably Auto Inc
Black Bear Auto Care
Tinker Automotive Services
Carlos Auto Repair Llc.
Robinson's Transmission Repair
TG Automotive
Why these companies made our list
What customers say about mechanics in and near Portland
- “Adam & Pete are both very knowledgable and trustworthy, they take the time to explain everything and I always feel like I'm in good hands.” — customer of Aamco Transmissions & Total Car Care
- “Loved this place , fast workers, good customer service, friendly and lower prices !” — customer of Masters Auto Repair
- “I would recommend Ocean Street Auto to anyone looking for an honest mechanic.” — customer of Ocean Street Auto Repair
- “Huge thank to you Peter and his staff for being completely transparent, honest and coming to the rescue.” — customer of Aamco Transmissions & Total Car Care
Excerpts from public reviews of the mechanics listed on this page.



