Best Car Inspection & Emissions Testing in Denver, CO

23 stations listed · all 23 in Denver · 10 open weekends · 17 rated 4.5+ · 1 shows a license

Data verified October 16, 2026

Sebastian's Garage

Sebastian's Garage

4.7 42 reviews
“Was having problem finding a fair man but finally found my Colorado mechanic.”
BBB A+Since 2002
980 S Federal Blvd
i
Sam's Automotive Repair

Sam's Automotive Repair

4.8 50 reviews
“I would highly recommend Sam's Automotive if you want to get a fair price and quality work done on your vehicle.”
BBB A+Since 1993
2700 W 44th Ave
i
Addison Auto Repair & Body Shop

Addison Auto Repair & Body Shop

4.7 47 reviews
“They have changed the oil in my cars regularly since I m ftom Lone Tree years ago and done body work as well.”
Coupons & offersAAA-approvedSince 1981Family-owned
2005 S Holly St
i
Jonni's Automotive Repair

Jonni's Automotive Repair

4.3 40 reviews
“Jonni came through for me in a tough situation and he rocked it!”
BBB A+Since 2018
4444 W Colfax Ave
i
Antillon Automotive Service

Antillon Automotive Service

4.7 48 reviews
“They got us in right away and they were quite literally the kindest people I have ever met.”
BBB A+Since 1979
3501 W Colfax Ave
i
L & N Diesel Emissions Testing & Repair

L & N Diesel Emissions Testing & Repair

4.6 48 reviews
“Service was quick and efficient and the price was good too, would highly recommend.”
Since 2003LicensedFamily-owned
1700 W Mississippi Ave unit a
i

Listed for drivers in and around Denver, CO, these 23 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: Denver, CO

All 23 stations we list here are in Denver itself. We have 25 stations in Denver on file; this page shows the highest-rated 23. 22 of the stations on this page have a rating, from 4.2 to 5.0 across 2,668 reviews; 9 have 50 or more reviews and 17 are rated 4.5 or higher. When customers rate these stations on specific qualities, they most often praise quality (96%), professionalism (92%) and value (88%). The topics that come up most in reviews of the stations on this page are "honest", "diagnosis" and "fair". 10 are open on Saturdays and 1 on Sundays. 1 shows a license on its website; 1 lists staff certifications (ASE) and 5 have a BBB rating of A or A+. Domain records put 3 websites of the stations on this page at ten or more years old; the oldest dates from 1999. 1 gives free estimates; 2 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 9 of the stations on this page; 4 publish a contact page; 3 list a public email and 2 take bookings online. We count these figures across the stations on this page; hours and prices change, so confirm the details with the station before you visit.

Which shops listed for Denver test on Saturdays or Sundays?

Weekend testing is on offer at 10 of the 23 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.

Jim's Independent GM Repair

Jim's Independent GM Repair

4.9 47 reviews
“Pricey but when asking for quality work, you get what you pay for.”
Since 1995
4321 Sheridan Boulevard
i
Guamex Auto Repair

Guamex Auto Repair

4.6 31 reviews
“Fair prices, the mechanics showed me what the problem was with my muffler, and gave me a good deal for the repair.”
BBB A+Since 2017
137 Federal Blvd
i
Larimer Saint Garage

Larimer Saint Garage

4.9 49 reviews
“Mike and Danielle (shop manager) were communicative throughout the whole process and were able to rush the repair overnight since I need the car the next day.”
2830 Larimer St
i
Subaru Specialist

Subaru Specialist

4.7 21 reviews
“He took the time to fully understand what it was I needed done, and he executed the repair very quickly and effectively.”
12-mo/12k-mi warrantyFree estimatesSubaru repair specialistWalk-ins welcomeSince 2021
2650 W 44th Ave
i
High-End Auto Care

High-End Auto Care

4.9 31 reviews
“He was able to fit me in and get my AMG fixed in an amazing turn around time!”
1972 S Parker Rd
i
Nguyen Complete Auto Repair

Nguyen Complete Auto Repair

4.4 27 reviews
“You'd be a fool to take your car any place other than Nguyen Complete Auto Repair.”
Since 1952
2089 S Zuni St
i
Eric's Auto Services

Eric's Auto Services

4.3 13 reviews
“Started going here about a year ago great company I'm a customer for life great service great work I love this family robbie with the 2007 black Denali”
Since 2001
5190 Clarkson St
i
Pamir Auto Mechanic

Pamir Auto Mechanic

4.4 22 reviews
“He knows more about vehicle and does his best to get your satisfaction.”
3740 Wheeling St UNIT 9
i
ECP Auto Salvage and Repair

ECP Auto Salvage and Repair

4.6 21 reviews
“Good place to take your car they did my transmission and one day and they charge me good”
2600 E 46th Ave
i
Protechcars

Protechcars

20+ years
5862 E Evans Ave
i
Carz Automotive

Carz Automotive

4.8 19 reviews
“Wish he would relocate closer to me because it's so far for me to get there, but worth the drive.”
5100 W Colfax Ave
i
Erick's Auto Clinic

Erick's Auto Clinic

4.2 15 reviews
“Making sure you don't pay for unessecery repairs or over price parts Honest and flexible labor rates.”
Since 2012
4701 W 1st Ave
i
Gaytan's Autoservice

Gaytan's Autoservice

4.6 10 reviews
“If you're looking for quality work at good fair rates go to Gaytans!”
1041 Federal Blvd
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Julio's Auto Service

Julio's Auto Service

5.0 9 reviews
“Exceptional work and best communication I've had with any repair shop.”
425 S Pecos St
i
El Montes

El Montes

4.6 9 reviews
“This man knows his stuff , my number 1 mechanic , great price, great work”
5890 Washington St unit 5
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Cima Automotive LLC

Cima Automotive LLC

4.8 7 reviews
“Some of the best mechanics in Colorado i recommend the father and son 1000%...”
3740 Wheeling St UNIT 13
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Scott's Automotive

Scott's Automotive

5.0 1 review
“Quality work, kid knows Mercedes in and out”
2081 E 74th Ave unit c
i

Why these companies made our list

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