Best Engine Repair & Rebuild in Newmarket, ON

15 technicians listed · 11 in Newmarket · 4 open weekends · 14 rated 4.5+

Data verified October 29, 2026

TDS Transmission Specialists Inc

TDS Transmission Specialists Inc

4.8 48 reviews
“Reminds me of the old-fashioned service my dad used to get back in the 1960s when people cared about people and their quality of work and service to the customer.”
Free estimatesSince 2000Family-owned
160 Pony Dr #10
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Mr.m's Auto Service Centre

Mr.m's Auto Service Centre

4.5 48 reviews
“My truck was taken care of in a timely manner and they did great work including a couple extras to make the job perfect.”
Since 2018
30 Charles St
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Hot Wheelz Auto Service

Hot Wheelz Auto Service

4.7 43 reviews
“I always recommend this place to everyone I know because they have serviced 6+ of my cars for years.”
Corvette specialistFleet accountsSince 2011Family-owned
16995 Yonge St #8
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Reline North Automotive

Reline North Automotive

4.8 46 reviews
“Although I requested a minor service, I felt that I was treated as a valued customer.”
Fleet accountsSince 2017
69 Davis Dr #1
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Newmarket Collision Centre

Newmarket Collision Centre

4.0 13 reviews
“Gentleman's agreement, easy, straight forward, honest, works with client and what is important to them, accommodates client's timing, most importantly, great work on the vehicle.”
Walk-ins welcomeInsurance claim helpFree consultation
301 Mulock Dr
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Jerry's Place

Jerry's Place

4.8 29 reviews
“Jerry is the best I love him, thank you Jerry for saving me time and money.”
188 Deerfield Rd
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Listed for drivers in and around Newmarket, ON, 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: Newmarket, ON

Of the 15 technicians we list here, 11 are in Newmarket itself and 4 come from Richmond Hill (3, 21 km) and Bradford (1, 11 km). The technicians on this page are rated from 4.0 to 5.0 across 1,632 reviews; 8 have 50 or more reviews and 14 are rated 4.5 or higher. When customers rate these technicians on specific qualities, they most often praise professionalism (97%), value (78%) and quality (75%). The topics that come up most in reviews of the technicians on this page are "honest" and "knowledge". 4 are open on Saturdays. 1 lists staff certifications (ASE). 6 have ten or more years of experience, the longest 29 years. 2 give free estimates; 2 are family- or locally-owned and 3 list coupons or special offers. We have a website on file for 11 of the technicians on this page; 10 publish a contact page and 7 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?

11 of the 15 shops are in Newmarket itself and the rest come from other towns within 25 km. An engine job means leaving the car for days, so the drive happens once at each end rather than every morning.

Hill-San Auto Service

Hill-San Auto Service

4.6 28 reviews
“Always found them to be honest and providing excellent service and great communication with options to keep costs lower.”
619 Steven Ct Units 3 & 4
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R&R Automotive Mechanic. LTD

R&R Automotive Mechanic. LTD

5.0 28 reviews
“They explained everything clearly and didn't try to upsell me on unnecessary services.”
2985 Vivian Rd
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Macnamara Fuels

Macnamara Fuels

20+ years
395 Harry Walker Pkwy N Unit #8-9
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R & H Motors

R & H Motors

4.7 21 reviews
“Time and time again they've earned my trust by proving their honesty and integrity in helping me with my aging vehicle.”
17795 Leslie St
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DM Filter Services Inc

DM Filter Services Inc

5.0 2 reviews
“DM Filter services is great, very professional and knowledgeable.”
Pick-up & drop-offFleet accountsFamily-ownedSince 2015
1200 Twinney Dr Unit 9
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Midas Auto Service & Tires

Midas Auto Service & Tires

4.8 50 reviews
“I was able to leave my car there while they provided me with an Uber to my doctor's appointment (they paid for this service) I loved this!!”
Coupons & offersASE-certified techsFinancing availableSince 1997Prices online
Bradford, ON · 11 km from Newmarket
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Trillitires Inc.

Trillitires Inc.

4.8 48 reviews
“I've been coming here for 5-6 years now and they offer the best service!”
Hybrid & EV service50+ yearsFamily-owned
Richmond Hill, ON · 21 km from Newmarket
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Auto Technique

Auto Technique

4.5 46 reviews
“The owners are professional and very expert in diagnosis and fix the problem.”
$10 offSince 2005
Richmond Hill, ON · 21 km from Newmarket
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Hello Tire Inc.

Hello Tire Inc.

4.9 49 reviews
“I learned more about Tires in a 2 minute conversation from Boris than ever before.”
Coupons & offersLifetime warranty
Richmond Hill, ON · 21 km from Newmarket
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Why these companies made our list

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