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

Ocean Street Auto Repair

Ocean Street Auto Repair

4.5 44 reviews
“They solved the issue for about 5% of what it could have cost me on the low end!”
Coupons & offers12-mo/12k-mi warrantyTowing fee $150ASE certifiedSince 1996
South Portland, ME · 3 mi from Portland
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Aamco Transmissions & Total Car Care

Aamco Transmissions & Total Car Care

4.7 47 reviews
“Pete and his team did absolutely everything they could to help me both calm my nerves and fix my car ( Transmissions can be a complicated, expensive fix after all ).”
Since 2011Financing
429 Warren Ave
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Auto Care LLC

Auto Care LLC

4.8 41 reviews
“I get this garage from my friend and they really fixed my car as it's supposed to be , now my car is new 🆕 …”
1041 Ocean Ave
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Masters Auto Repair

Masters Auto Repair

4.7 41 reviews
“They are very professional on what they are doing definitely recommended placed to visit and let them work on your car.”
70 Bishop St
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Reality Motors

Reality Motors

5.0 18 reviews
“He knows I look for value so when possible he offers alternatives in parts and service, makes recommendations, and lets me decide.”
BBB A+Since 1966
3 Newcomb St
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Lou's Auto Repair

Lou's Auto Repair

5.0 12 reviews
“Lou is a true professional, he will take good care of your vehicle needs.”
Gray, ME · 13 mi from Portland
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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

Kars Service Inc

4.9 6 reviews
“Great prices and he does all my automotive works”
164 Presumpscot St
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Black Point Auto & Towing

Black Point Auto & Towing

4.8 47 reviews
“Very professional, quick on the diagnosis and repair at a very respectable rate.”
Fleet accountsBBB A+Since 1995Family-owned
Scarborough, ME · 8 mi from Portland
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Route 22 Service Center

Route 22 Service Center

4.6 46 reviews
“In addition, the guy that filled the tires came out to tell me that the treads on my tires were less than 1/4 inch and would need to be replaced soon.”
ASE-certified techsSince 2012
Westbrook, ME · 4 mi from Portland
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Probably Auto Inc

Probably Auto Inc

4.8 27 reviews
“Frank is a great guy and has always steered us in the right direction.”
BBB A+Since 2012
Buxton, ME · 13 mi from Portland
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Black Bear Auto Care

Black Bear Auto Care

4.9 50 reviews
“But more importantly, you can tell they actually care about you and your Jeep.”
Windham, ME · 10 mi from Portland
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Tinker Automotive Services

Tinker Automotive Services

4.9 47 reviews
“The only place I bring my vehicles and the only place I recommend.”
Windham, ME · 10 mi from Portland
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Carlos Auto Repair Llc.

Carlos Auto Repair Llc.

4.8 35 reviews
“Went for an inspection and went though whole vehicle and was honest and straight forward....”
Buxton, ME · 13 mi from Portland
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Robinson's Transmission Repair

Robinson's Transmission Repair

4.2 33 reviews
“Great shop owner is nice and shows you what is wrong deff recommend”
Buxton, ME · 13 mi from Portland
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TG Automotive

TG Automotive

5.0 27 reviews
“I have had shops beat me in the head with prices and half the job that needed to be done, I took my truck to Tyler and he had me in and out.”
Newfield, ME · 11 mi from Portland
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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.

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