Best Transmission Repair Shops in Westminster, CO

15 mechanics listed · 7 in Westminster · 1 open weekends · 14 rated 4.5+

Data verified October 16, 2026

Westminster Auto Clinic

Westminster Auto Clinic

4.6 45 reviews
“Had a mechanic named Chris help me out with a sound in my car.”
24-mo/24k-mi warrantyDiesel serviceFinancing availableSince 1958ASE certified
7970 Federal Blvd
i
Lake Arbor Automotive & Truck

Lake Arbor Automotive & Truck

4.8 49 reviews
“Here they got to the bottom of what was going on, quoted me less, were honest with their recomendations, and completed the repairs quickly.”
BBB accreditedSince 1995
9146 Marshall Pl
i
Advanced Transmission Center

Advanced Transmission Center

4.9 48 reviews
“They carefully explained the engine diagnostics performed so a layman could easily understand the nature of the problem.”
Coupons & offers24-mo/24k-mi warrantyAAA-approvedSince 1986
3686 W 72nd Ave
i
B & M 's Motorheadz LLC

B & M 's Motorheadz LLC

4.3 21 reviews
“The guys may joke around but they work hard and are obviously passionate about what they do!”
Modern engine swaps in old platforms specialistBBB A+Since 2007
7102 N Raleigh St
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All Around Auto Care

All Around Auto Care

4.6 46 reviews
“These guys are honest which is the number one priority when looking for a mechanic.”
Since 1997ASE certified
7110 Lowell Blvd
i
Final Gear Transmissions (Joe's)

Final Gear Transmissions (Joe's)

5.0 17 reviews
“Joe was an amazing and super nice person to work with and had my transfer case problems sorted out super quick.”
7102 N Raleigh St
i

Listed for drivers in and around Westminster, CO, 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: Westminster, CO

Of the 15 mechanics we list here, 7 are in Westminster itself and 8 come from towns including Denver (3, 13 mi), Broomfield (2, 5 mi) and Arvada (1, 6 mi). The mechanics on this page are rated from 4.3 to 5.0 across 4,516 reviews; 12 have 50 or more reviews and 14 are rated 4.5 or higher. The topics that come up most in reviews of the mechanics on this page are "price", "diagnosis" and "honest". 1 is open on Saturdays. 6 list staff certifications (ASE) and 11 have a BBB rating of A or A+. 12 have ten or more years of experience, the longest 65 years. 3 offer financing; 4 are family- or locally-owned and 5 list coupons or special offers. We have a website on file for 13 of the mechanics on this page; 12 publish a contact page; 7 list a public email and 5 take 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 any shops listed for Westminster offer financing?

3 of the 15 shops on this page say they offer financing. Transmission work is one of the larger repair bills a car can hand you, so terms are worth reading closely before you sign anything at the counter.

Rizo Autodiesel

Rizo Autodiesel

5.0 13 reviews
“I had troubles with my diesel truck and a friend referred me to this shop and The owner helped me troubleshoot what might've been the problem and he was dead on.”
7015 Julian St #7
i
Dave's Automotive Specialists

Dave's Automotive Specialists

4.5 47 reviews
“Jeff is the BEST, most HONEST Mechanic I have ever encountered hands down!”
Coupons & offersBBB A+Since 1990Financing
Wheat Ridge, CO · 8 mi from Westminster
i
Accountable Auto Care

Accountable Auto Care

4.8 45 reviews
“Very accommodating to our schedule and their communication was spot on.”
24-mo/24k-mi warrantyASE-certified techsLoaner carsSince 2000BBB A+Family-owned
Broomfield, CO · 5 mi from Westminster
i
Motorized Solutions

Motorized Solutions

4.6 49 reviews
“Work completed in great time, good communication, fair price.”
Coupons & offersBBB A+Since 2018Family-owned
Denver, CO · 13 mi from Westminster
i
Colorado Engine

Colorado Engine

4.6 48 reviews
“As always, attentive service and repairs with consideration in emergency circumstances !”
ASE-certified techsFinancing availableFleet accountsSince 1983Family-owned
Arvada, CO · 6 mi from Westminster
i
Salta Service & Performance

Salta Service & Performance

5.0 50 reviews
“These guys worked hard to troubleshoot my vehicle, and then went above and beyond to make sure that I got my car back in a spring snowstorm.”
European makes specialistSince 2007BBB A+
Denver, CO · 13 mi from Westminster
i
AC Transmission Denver and General Auto Repair

AC Transmission Denver and General Auto Repair

4.9 49 reviews
“4 days in and out for a rebuilt transmission”
ATRA-certifiedSince 1965
Denver, CO · 13 mi from Westminster
i
Fine Tuned Auto

Fine Tuned Auto

4.7 44 reviews
“Good honest guys here 👏 …”
Coupons & offersASE certifiedSince 2016
Broomfield, CO · 5 mi from Westminster
i
Mountain View Automotive

Mountain View Automotive

4.5 48 reviews
“Arturo helped a bunch, great mechanics”
Coupons & offersFleet accountsASE certifiedSince 2015Locally owned
Thornton, CO · 7 mi from Westminster
i
HomeTransmission Repair ShopsColoradoWestminster, CO

Why these companies made our list

What customers say about mechanics in and near Westminster

  • “I would highly recommend Advanced Transmission. They were all friendly, professional and honest.” — customer of Advanced Transmission Center
  • “Rebuilt my transmission and fixed a common problem with my transfer case in a timely manner.” — customer of Final Gear Transmissions (Joe's)
  • “From the very first time I called to see if they could look at my transmission they were so professional and very understanding.” — customer of AC Transmission Denver and General Auto Repair
  • “Let's just say I found my transmission place for the life of all of my vehicles and the work was professional and top notch.” — customer of Advanced Transmission Center
  • “Scotty is so friendly and they were so quick with my transmission fluid change.” — customer of Final Gear Transmissions (Joe's)

Excerpts from public reviews of the mechanics listed on this page.

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