Professional Automotive
“They are friendly, attentive, and easily explained the problem and how they fixed it to a guy who is not very car smart.”
Best Engine Repair & Rebuild in Marlborough, MA
15 technicians listed · 5 in Marlborough · 3 open weekends · all 15 rated 4.5+
Data verified November 8, 2026
Maple Street Motors Inc
“Very genuine mechanical staff I have so much respect for this team bring your car there they are amazing at there job,your car will be fix and you pockets won't feel so violated”
Castro Auto Repair
“Very good environment, Rodrigo is a great guy, with a lot of knowledge on any brand, new, and old car.”
USA Auto Repair & Alignment
“Would definitely recommend for anyone who needs service done to their vehicle!”
Eastside Classics
“Every time I go over to their shop there are a handful of vintage Broncos that they're giving new life to.”
Eurotech Motorsports
“Recommend them 100% very honest and responsible price for the work that was done.”
Listed for drivers in and around Marlborough, MA, 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: Marlborough, MA
5 of the 15 technicians we list are based in Marlborough; the other 10 serve Marlborough from towns including Framingham (6 mi), Holliston (11 mi) and Southborough (5 mi). The technicians on this page are rated from 4.6 to 5.0 across 3,413 reviews; 13 have 50 or more reviews. When customers rate these technicians on specific qualities, they most often praise professionalism (92%), quality (83%) and value (75%). The topics that come up most in reviews of the technicians on this page are "diagnosis", "estimates" and "fair". 3 are open on Saturdays. 3 list staff certifications (ASE) and 8 have a BBB rating of A or A+. 10 have ten or more years of experience, the longest 64 years. 1 offers financing; 3 are family- or locally-owned and 3 list coupons or special offers. We have a website on file for 14 of the technicians on this page; 13 publish a contact page; 4 list a public email and 2 take bookings online. 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 Marlborough 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.
European Motor Works
“Owner and staff are nice and friendly, knowledgeable for any car issues, specialized for European brands, excellent services, reasonable price.”
Alexander Automotive Service
“Although I needed a battery change (even though AAA told me it was my starter), the service was excellent - Mark was a pleasure to work with and expenditious in getting my Pilot back to me!”
Lumber Street Auto Repair Inc.
“Always first rate customer service and sound advice on repairs and maintenance”
Ashland Service Center
“Even though the garage had a full schedule when I had my vehicle towed there without warning, Bob worked hard to get the work done that day and it was ready a few hours later.”
European Automotive Ltd
“I recommend this shop to anyone in need of quality workmanship for anything mechanical, collision repair, or general auto body work”
Tosti's Service Center
“Always very accommodating with my schedule and always quick turnaround.”
T and L Auto Care
“From the moment I walked in, The staff took the time to thoroughly explain the necessary repairs for my vehicle IS 250, ensuring I understood every detail.”
Wellesley Mazda Service
“Kim, JC, Malcom and others take care of me and my vehicle with professionalism, pride and friendliness.”
Bonded Transmission & Auto Repair
“He fixed a big repair on my 2012 Ram 1500 and was a pleasure to work with.”
Why these companies made our list
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