BOB Auto Repair
“I have been using BOB Auto Repair services for over 20 years and have never been disappointed by the quality of their services.”
Best Engine Repair & Rebuild in Downers Grove, IL
15 technicians listed · 4 in Downers Grove · 4 open weekends · 14 rated 4.5+
Data verified October 21, 2026
Langs Auto Service
“I have been going to them for years and I am so happy I have a great mechanic I can confidently depend on.”
Olsen Motorsports
“Had a really great experience at Olson Motorsports where they installed link pipes and a valve controller.”
J&C Auto Service
“If you are looking for a HONEST mechanic shop, you have found them, great communication, fair prices and great breakdown of the issue you car has.”
Legend Racing Enterprises
“Great place everyone is very nice and they dont jerk you around they shoot straight”
Vaupell Auto Repair & Napa Auto Care Center
“Everything is electronically communicated, they answer questions personally as needed and provide what is necessary vs what is proactive.”
Listed for drivers in and around Downers Grove, IL, 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: Downers Grove, IL
4 of the 15 technicians we list are based in Downers Grove; the other 11 serve Downers Grove from towns including Chicago (17 mi), Schaumburg (17 mi) and Elmhurst (7 mi). The technicians on this page are rated from 4.3 to 5.0 across 2,489 reviews; 14 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 (91%), quality (86%) and punctuality (77%). The topics that come up most in reviews of the technicians on this page are "price", "diagnosis" and "honest". 4 are open on Saturdays. 2 list staff certifications (ASE) and 11 have a BBB rating of A or A+. All 15 have ten or more years of experience, the longest 70 years. 2 offer financing; 1 gives free estimates; 5 are family- or locally-owned and 3 list coupons or special offers. We have a website on file for all 15 of the technicians on this page; 13 publish a contact page; 8 list a public email and 6 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.
Do engine shops listed for Downers Grove let me spread the cost?
2 of the 15 shops on this page state that they offer financing. An engine is the repair people borrow for, so compare what the credit costs against what a different car would cost you, and get the repair quote in writing first.
Ted's Auto Clinic
“Great service from George ant his team.”
A To Z Auto Repair
“The shop is very very good and I will tell everyone about it”
Car Doctor Jr
“They got a decent amount of work done pretty quick and at reasonable cost.”
A Affordable Transmission Specialists Inc.
“Perfect place to repair transmission 100% satisfaction really recommended!!!”
Hollywood Motors Inc
“I've been a customer at Hollywood Motors for about 3 years now and every time I need to take my car for a repair or diagnosis, or even just oil change, the service I get is exceptional.”
Modern Muscle
“Dan called my right away, so I could decide what to do, and when a very minor oversight was found when I picked up the car they made an "on the spot correction".”
Uno Auto Service
“Highly recommend for any car needs, truly cares about customers.”
Stan's Service Station
“I have been taking my car for all service needs there for several years now with zero complaints.”
Mehta Motors
“Very friendly, honest, and genuinely good people!”
Why these companies made our list
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