Windways Diesel Emissions
“This might have been the fastest emission test I have ever gotten(maybe there a total of 20 min)This place is awesome, I will for sure keep coming back!”
Best Car Inspection & Emissions Testing in Commerce City, CO
15 stations listed · 6 in Commerce City · 3 open weekends · 12 rated 4.5+
Data verified October 16, 2026
Park Hill Motors
“I dropped off my Honda CRV in the morning and they found the parts needed in addition to replacing my breaks all in the same day.”
Triple S Enterprises
“This was the easiest and best Uhaul rental experience in town, and they have a mechanic shop and are willing to help and answer questions, a rarity these days.”
JR Repair Services LLC
“Professional and timely service EVERY TIME I've needed them.”
All Around Mobile Auto Repair
“Always take care of me I've never had a problem.”
Rnfmobile
“The guys here are the type that know all the quirks and how to fix them.”
Listed for drivers in and around Commerce City, CO, these 15 shops carry out emissions and inspection work. What each one says about its station license, hours and retest policy comes from its own website; ratings and quotes come from public reviews.
Area overview: Commerce City, CO
Of the 15 stations we list here, 6 are in Commerce City itself and 9 come from Denver (7, 7 mi), Brighton (1, 2 mi) and Arvada (1, 16 mi). The stations on this page are rated from 4.0 to 5.0 across 2,514 reviews; 10 have 50 or more reviews and 12 are rated 4.5 or higher. When customers rate these stations on specific qualities, they most often praise professionalism (96%), quality (96%) and value (87%). The topics that come up most in reviews of the stations on this page are "honest", "diagnosis" and "fair". 3 are open on Saturdays and 1 on Sundays. 1 lists staff certifications (ASE) and 5 have a BBB rating of A or A+. 7 have ten or more years of experience, the longest 47 years. 1 gives free estimates; 1 is family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 8 of the stations on this page; 2 publish a contact page and 2 list a public email. We count these figures across the stations on this page; distances are straight-line, and hours and prices change, so confirm the details with the station before you visit.
Which shops listed for Commerce City test on Saturdays or Sundays?
Weekend testing is on offer at 3 of the 15 shops. Bear in mind that a failure on a Saturday usually waits for parts on Monday, which is an argument for testing midweek if you can.
Sam's Automotive Repair
“I trust them more than any mechanic I have ever before.”
Addison Auto Repair & Body Shop
“It's such a daunting process and I was dreading it, but I don't have better things to say about customer service or the process.”
Doug's Automotive Service
“Been taking my cars to Doug's for over 25 years.”
Jonni's Automotive Repair
“Super honest & reliable guys, always looking out for us and our cars.”
Antillon Automotive Service
“I've been going there over 20 years and they only do a repair if they are certain it's the problem.”
Dynoman Diesel Emissions & Machine Shop Llc
“I call set up an appointment show up at my scheduled time and Im in and out in less than fifteen minutes.”
Jim's Independent GM Repair
“Been bringing work trucks here for about 5 plus years”
Larimer Saint Garage
“Mike and is an outstanding tech and runs an honest shop with fair prices.”
Subaru Specialist
“Titus is Informative, efficient and affordable.”
Why these companies made our list
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