Parry Motors
“I feel very lucky to have them in our Southern Maine and Toyota community.”
Best Engine Repair & Rebuild in Portland, ME
15 technicians listed · 5 in Portland · 3 open weekends · 13 rated 4.5+
Data verified October 18, 2026
Casco Bay Diesel & Injection Service
“The injector service is the best on east coast, and the knowledge and experience of the master mechanics can't be beat.”
Mazziotti Motor Works
“Always prompt service, and I don't worry bout being charged with unnecessary repairs.”
Masters Auto Repair
“Loved this place , fast workers, good customer service, friendly and lower prices !”
Reality Motors
“John is a great mechanic reasonably priced friendly and very helpful highly recommended”
Bob Collins Auto Air Auto Repair
“Nothing to worry about after you leave your car and have them take care of it.”
Listed for drivers in and around Portland, ME, these 15 shops repair, rebuild and replace engines. What each one says about machine work, warranty terms and the engines it supplies comes from its own website; ratings and quotes come from public reviews.
Area overview: Portland, ME
5 of the 15 technicians we list are based in Portland; the other 10 serve Portland from towns including Westbrook (4 mi), Windham (10 mi) and Buxton (13 mi). The technicians on this page are rated from 4.4 to 5.0 across 681 reviews; 6 have 50 or more reviews and 13 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price", "fair" and "honest". 3 are open on Saturdays and 1 on Sundays. 7 have a BBB rating of A or A+. Domain records put 6 websites of the technicians on this page at ten or more years old; the oldest dates from 2001. 2 give free estimates; 1 is family- or locally-owned and 2 list coupons or special offers. We have a website on file for 9 of the technicians on this page; 7 publish a contact page and 4 list a public email. 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.
Why do some listings show another city?
5 of the 15 shops are in Portland itself and the rest come from other towns within 15 mi. An engine job means leaving the car for days, so the drive happens once at each end rather than every morning.
Bernie's Auto Repair Inc.
“Ended up being a much bigger job than what we had originally expected but they got us back in and did it as quickly as possible the people here are super nice”
Cityside by E&S Auto Repair
“We have been going here since they opened and have referred multiple friends and neighbors who all now use this garage exclusively.”
Route 22 Service Center
“Dan, Tim, Jarrod and the rest of the staff are the best.”
Cape Elizabeth Service Center
“Every time I have had an issue with my car and I call Cape Service Center they are extremely helpful and caring about the cost of services needed.”
Black Bear Auto Care
“Have found the only place i will trust my jeep with going forward!”
Bulldog Auto
“It was really easy to get in and get a quote for some new brakes and it was extremely reasonable!”
Cavallaro Auto Repair
“They didn't sugarcoat it and they didn't BS me; I will need some rust repair to pass inspection, and I'll happily do it with CAR if possible because they have always looked out for me.”
Berube's Equipment Repair
“Paul took an initial look at things, decided on what he needed to further diagnose and told me he would be back the next day.”
PIT Stop Motors Sales & Service
Why these companies made our list
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